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| 4 z o d i s p o p v t 3 f d u j g j d b u j p o % $ % $ $ p o w f s u f s 1 p x f s i $ . % / " q q m j d b u j p o . b o v b m cat. no. u100 -1 shindengen electric mfg. co., ltd.
6 t j o h u i f . % / % $ u p % $ $ p o w f s u f s 1 p x f s i $ thank you for purchasing the MD3221N dc to dc converter power * c. this manual contains important information on the safe use of the MD3221N. your safety is most important to our company. please read these instructions carefully before using this device. $ " 6 5 * 0 / the improper use of this device can result in serious injury or death. expensive damage to this and other equipment can result. failure to observe the cautions in this manual can also result in minor injuries and annoying equipment damage. the MD3221N is intended for use with general electronic equipment (office automation, communication, measurement, household, etc.) it is not intended for use with equipment whose failure might result in the death or injury of those depending upon it (medical treatment, air navigation, railroad, cargo handling, nuclear power, etc.) if you intend to use the MD3221N with other than the general equipment listed above, please consult with our company. under no conditions attempt to repair or modify this device by yourself. doing so can result in electric shock, equipment breakage, fire, and unreliable (and dangerous) equipment operation. abnormal operating conditions may result in excessive voltage at the output terminal or excessive voltage drops elsewhere in the device. take steps to prevent load mishandling and breakage (overvoltage and overcurrent prevention) at the final point in the equipment chain. overvoltage protection the MD3221N is not equipped with an overvoltage protection function. in the event excessive voltage appears within a module, the high input voltage may remain together with a high output voltage even when the equipment is turned off. smoke and flame may appear. to prevent this, be sure to install some sort of overvoltage protection circuitry before using the equipment. before providing electrical power to the device, check that the polarity of the input and output terminals is correct (check for misconnections). if circuit protection circuitry is cut off from the rest of the equipment, smoke and flames may appear. be sure that input voltage level is maintained at the specified level. this may require the installation of a voltage regulator to the input line. voltage fluctuations may result in the appearance of smoke and flames. if a breakdown or other abnormal condition occurs during equipment use, immediately stop power to the equipment. contact our company at your earliest possible convenience. $ " 6 5 * 0 / the information appearing in this manual is the latest available at the time of publication. we reserve the right to make chang es to the device without prior notice. therefore, your device may differ slightly from that described in this manual. every effort has been made to make the information in this manual accurate and reliable. however, our company takes no respons ibility for injuries or damage incurred when using the device as described in this manual. neither do we take responsibility for damages inc urred as a result of patent or other defined rights. we do not give consent for a third person to use our patent or other rights based on this material. we do not guarantee these r ights. no part of this material may be reproduced or copied without the specific written consent of our company. this device fully meets the reliability and quality control standards described in our company's catalog. if this device is to be used in a situation where its misuse or failure might cause serious injury or death, consult with our company. reliability and quality control standards for this device are considered adequate when it is used with the following types of e nd equipment. computer - office automation - communication terminal - measurement ? machine tools - audio-visual - games and other amusements - household appliance - personal items - industrial robot. special applications where the device may or may not be suitable include the following. transportation and conveyance (cargo loading) equipment- primary communications equipment - traffic signal control equipment - f ire and burglary alarms - various safety devices - medical equipment other special applications where the device reliability is not considered high enough include the following. atomic energy control systems - aviation equipment- aeronautics and space equipment - ocean depth sounding equipment - life supportequipment our company makes a constant effort to improve the quality and reliability of our products. however, it is the customer's respo nsibility to provide safety. take the appropriate steps to prevent personal injury, fire, and damage by providing redundancy equipment, fir e containment equipment, and devices to protect personnel and equipment from operational mistakes. 1 ? $ m j d l . % / 4 z o d i s p o p v t 3 f d u j g j d b u j p o % $ % $ $ p o w f s u f s 1 p x f s i $ $ b v u j p o t g p s 6 t f 0 v u m j o f ' f b u v s f t 1 s p e v d u $ p e f 4 u b o e b s e $ p o o f d u j p o % j b h s b n 1 j o - b z p v u 1 j o ' v o d u j p o t 4 q f d j g j d b u j p o t " c t p m v u f n b y j n v n s b u j o h t 3 f d p n n f o e f e 0 q f s b u j o h $ p o e j u j p o t & m f d u s j d b m $ i b s b d u f s j t u j d t * o u f s o b m # m p d l % j b h s b n t 4 f m f d u j p o p g 1 s j n b s z $ p n q p o f o u t b o e 1 j o $ p o o f d u j p o t 4 f m f d u j o h u i f 0 v u q v u $ i p l f $ p j m 4 f m f d u j o h u i f 0 v u q v u $ p o e f o t f s 4 f m f d u j o h u i f * o q v u $ p o e f o t f s 4 f m f d u j o h u i f 3 f h f o f s b u j w f % j p e f ' v o d u j p o t 4 f u u j o h u i f 0 v u q v u 7 p m u b h f 4 f m f d u j o h u i f 0 t d j m m b u j p o ' s f r v f o d z 5 i f 4 p g u 4 u b s u ' v o d u j p o 5 i f 3 f n p u f 0 / 0 ' ' ' v o d u j p o 5 i f 3 f g f s f o d f 7 p m u b h f 5 i f 0 w f s d v s s f o u 1 s p u f d u j p o ' v o d u j p o 4 i p s u d j s d v j u 1 s p u f d u j p o 5 i f $ v s s f o u - j n j u j o h ' v o d u j p o 5 i f 0 w f s i f b u 1 s p u f d u j p o ' v o d u j p o & s s p s " n q ( b j o " e k v t u n f o u # p p u t u s b q 5 i f - $ v u d v u p g g e f u f d u ' v o d u j p o $ b v u j p o t g p s 1 b u u f s o % f t j h o 1 s j n b s z $ j s d v j u 1 b u u f s o % f t j h o $ p o u s p m $ j s d v j u 1 b u u f s o % f t j h o " q q m j d b u j p o $ j s d v j u & y b n q m f t $ p n q p o f o u & y b n q m f t % j n f o t j p o % s b x j o h . p v o u j o h 4 v c t u s b u f . p v o u j o h & y b n q m f $ b v u j p o t g p s . p v o u j o h & y u f s o b m 1 s p u f d u j p o $ j s d v j u t $ p o o f d u j p o p g * o q v u 1 s p u f d u j p o % f w j d f t $ p o o f d u j p o p g 0 w f s w p m u b h f 1 s p u f d u j p o $ j s d v j u $ i b s b d u f s j t u j d t 0 v u q v u w p m u b h f 7 ? & g g j d j f o d z b o e - p t t $ i b s b d u f s j t u j d t ? - j o f 3 f h v m b u j p o ? - p b e 3 f h v m b u j p o ? 5 f n q f s b u v s f $ i b s b d u f s j t u j d t ? 4 u b s u v q $ i b s b d u f s j t u j d t ? 3 $ 4 u b s u v q $ i b s b d u f s j t u j d t & g g j d j f o d z c z 0 v u q v u 7 p m u b h f ? & g g j d j f o d z c z 0 v u q v u 7 p m u b h f & g g j d j f o d z b u ' s f r v f o d z p g , ) [ ? & g g j d j f o d z b o e - p t t f t 1 b d l b h j o h 5 b q f b o e 3 f f m 1 b d l j o h 0 s e f s j o h b o e % j n f o t j p o t 10 12 9 8 7 6 1 2 3 4 5 11 $ p o u f o u t ? $ m j d l 2 0 v u m j o f 5 i f . % / j t b o p o j o t v m b u f e % $ % $ d p o w f s u f s q p x f s * $ j o d p s q p s b u j o h b e f e j d b u f e n b j o t x j u d i . 0 4 ' & 5 b o e b t z o d i s p o p v t s f d u j g j d b u j p o . 0 4 ' & 5 * o u f h s b u j p o p g b d p o u s p m * $ b o e b q p x f s e f w j d f j o b t j o h m f d i j q n j o j n j [ f t u i f f g g f d u t p g x j s j o h b o e t j n q m j g j f t m b s h f d v s s f o u q p x f s t v q q m z d j s d v j u e f t j h o 5 i f 1 8 . d p o u s p m m f e p v u q v u w p m u b h f n b z c f t f u p w f s b x j e f s b o h f p g 7 u p 7 b o e 7 7 n b z c f t f u x j u i p v u u i f v t f p g b o f y u f s o b m s f t j t u p s " x j e f s b o h f p g j o q v u w p m u b h f t 7 u p 7 b s f q p t t j c m f b o e 7 j o q v u b o e c b u u f s z j o q v u b s f b m t p b d d p n n p e b u f e " o p w f s d v s s f o u q s p u f d u j p o d j s d v j u j t j o d p s q p s b u f e u p e f u f d u w p m u b h f e s p q x j u i u i f 0 / s f t j t u b o d f p g u i f j o u f s o b m . 0 4 ' & 5 b o e u i v t q s p w j e f b t j n q m f % $ % $ d p o w f s u f s p g i j h i f g g j d j f o d z 5 i f p t d j m m b u j p o g s f r v f o d z j t t f m f d u f e g s p n u i f l ) [ p s l ) [ t f u j o u f s o b m m z o p u p o m z s f e v d j o h u i f o v n c f s p g f y u f s o b m d p n q p o f o u t s f r v j s f e c v u b m t p g b d j m j u b u j o h g m f y j c m f e f t j h o j o b q q m j d b u j p o t " t v s g b d f n p v o u 4 4 0 1 q b d l b h f j t v t f e u p f o t v s f b t n b m m b o e u i j o q p x f s t v q q m z d j s d v j u ' f b u v s f t ? * o q v u w p m u b h f s b o h f p g 7 u p 7 ? " e k v t u b c m f p v u q v u w p m u b h f s b o h f p g 7 u p 7 ? * o u f s o b m q p x f s . 0 4 ' & 5 ? ) j h i f g g j d j f o d z p g 7 j 7 7 p 7 * p " ? 0 w f s $ v s s f o u q s p u f d u j p o g v o d u j p o f y u f s o b m s f t j t u p s o p u s f r v j s f e ? 0 w f s u f n q f s b u v s f q s p u f d u j p o g v o d u j p o ? 3 f n p u f 0 / 0 ' ' g v o d u j p o d v s s f o u d p o t v n q u j p o b u 0 ' ' 5 z q " ? 4 x j u d i j o h g s f r v f o d z p g l ) [ p s l ) [ f y u f s o b m $ 3 o p u s f r v j s f e ? 5 i f - $ v u $ v u p g g e f s f d u g v o d u j p o ? " n c j f o u u f n q f s b u v s f s b o h f ? u p ? 1 s p e v d u $ p e f . % / 4 q f d j g j d b u j p o d p e f 1 s p e v d u o b n f + + g + vi 1 MD3221N lc vboot ocl + ocl - 2.5v/3.3v ampin ampout amp - p. gnd2 gnd osc r/c s/s v cc v dd p. gnd1 v out v b vref 6 32 1 5 7 24 25 27 28 29 11 ~ 14 30 31 8 3 2 16 4,26 + v 0 g 18 ~ 21 & g g j d j f o d z b o e d j s d v j u m p t t d i b s b d u f s j t u j d t 7 j o q v u 7 p v u q v u t f = 300khz & g g j d j f o d z [ % ] $ j s d v j u m p t ty p [ w ] 0 v u q v u d v s s f o u * p [ a ] 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 3 2.5 2 1.5 1 0.5 0 0 10 20 30 40 50 60 70 80 90 100 4 u b o e b s e $ p o o f d u j p o % j b h s b n ? # b t j d $ j s d v j u 8 j s j o h g p s 7 p v u q v u ? $ m j d l 3 f g f s u p 4 f m f d u j p o p g 1 s j n b s z $ p n q p o f o u t b o e 1 j o $ p o o f d u j p o t b o e ' v o d u j p o t g p s g v o d u j p o e f t d s j q u j p o t b o e q j o d p o o f d u j p o t v gl : 9 n/c : 10 v out : 11 v out : 12 v out : 13 v out : 14 n/c : 15 p.gnd2 : 16 23 : v gh 22 : n/c 21 : v dd 20 : v dd 19 : v dd 18 : v dd 17 : n/c r/c : 1 vref : 2 osc : 3 gnd : 4 lc : 5 vcc : 6 vboot : 7 p.gnd1 : 8 24 : v b 25 : ocl + 26 : gnd 27 : ocl - 28 : ampout 29 : amp - 30 : ampin 31 : 2.5v/3.3v 32 : s/s shindengen MD3221N ? ? ? ? ? 1 j o - b z p v u 1 j o o v n c f s 4 z n c p m 3 $ 7 s f g 0 4 $ ( / % 7 d d 1 ( / % - $ 1 ( / % ? ? b n q b n q * / 4 4 7 0 6 5 7 % % ' v o d u j p o e f t d s j q u j p o 3 f n p u f 0 / 0 ' ' d p o u s p m * o u f s o b m s f g f s f o d f w p m u b h f p v u q v u 0 t d j m m b u j p o g s f r v f o d z t f m f d u $ p o u s p m d j s d v j u ( / % $ p o u s p m d j s d v j u q p x f s t v q q m z - p x t j e f . 0 4 ' & 5 e s j w f d j s d v j u ( / % 7 c p p u - p x t j e f . 0 4 ' & 5 e s j w f d j s d v j u q p x f s t v q q m z $ v u p g g e f u f d u t f m f d u - p x t j e f . 0 4 ' & 5 t p v s d f t b n q 0 6 5 * o u f s o b m f s s p s b n q m j g j f s p v u q v u 0 $ - 0 w f s d v s s f o u w f e f u f d u b u f y u f s o b m s f t j t u b o d f e f u f d u j p o * o u f s o b m f s s p s b n q m j g j f s j o w f s u f e j o q v u * o u f s o b m w p m u b h f e f u f d u s f t j t u p s p v u q v u 4 p g u t u b s u d p o e f o t f s d p o o f d u j p o / $ / p o d p o o f d u j p o o p u d p o o f d u f e j o u f s o b m m z 7 7 7 7 p v u q v u t f m f d u 0 v u q v u 7 ( - - p x t j e f . 0 4 ' & 5 h b u f 1 m f b t f e p o p u d p o f d u u i f q j o b o z x i f s f ) j h i t j e f . 0 4 ' & 5 q p x f s t v q q m z 0 $ - 0 w f s d v s s f o u w f e f u f d u b u f y u f s o b m s f t j t u b o d f e f u f d u j p o 7 # ) j h i t j e f . 0 4 ' & 5 e s j w f d j s d v j u q p x f s t v q q m z 7 ( ) ) j h i t j e f . 0 4 ' & 5 h b u f 1 m f b t f e p o p u d p o f d u u i f q j o b o z x i f s f 1 j o ' v o d u j p o t 3 4 q f d j g j d b u j p o t " c t p m v u f n b y j n v n s b u j o h t 1 p x f s t v q q m z w p m u b h f w p m u b h f b u 7 $ $ 7 ) j h i t j e f . 0 4 ' & 5 j o q v u w p m u b h f 7 " w f s b h f p v u q v u d v s s f o u " 1 f b l p v u q v u d v s s f o u " 7 p m u b h f c f u x f f o 7 # b o e 7 0 6 5 7 " m m p x b c m f b q q m j f e p v u q v u d v s s f o u b u 7 c p p u n " " m m p x b c m f b q q m j f e d v s s f o u b u 7 s f g n " 4 u p s b h f u f n q f s b u v s f ? ? 5 f n q f s b u v s f b u d p o u b d u t ? 3 f d p n n f o e f e 0 q f s b u j o h $ p o e j u j p o t * o q v u w p m u b h f s b o h f ? 7 4 f u u b c m f p v u q v u w p m u b h f s b o h f ? 7 " n c j f o u u f n q f s b u v s f s b o h f ? ? * u f n % s b j o t p v s d f c s f b l e p x o w p m u b h f ) j h i t j e f . 0 4 ' & 5 - p x t j e f . 0 4 ' & 5 $ p o u s p m * $ d v s s f o u d p o t v n q u j p o 6 7 - 0 # p p u t u s b q 3 f g f s f o d f w p m u b h f 0 t d j m m b u p s d j s d v j u 3 f n p u f d p o u s p m % s b j o c s f b l j o h d v s s f o u % s b j o t p v s d f 0 / s f t j t u b o d f 4 p v s d f e s b j o e j p e f g p s x b s e w p m u b h f % s b j o t p v s d f c s f b l e p x o w p m u b h f % s b j o c s f b l j o h d v s s f o u % s b j o t p v s d f 0 / s f t j t u b o d f 4 u b s u v q w p m u b h f 4 u p q w p m u b h f 4 u b s u v q t u p q w p m u b h f i z t u f s f t j t $ v s s f o u d p o t v n q u j p o b u g l ) [ # 0 0 5 q j o w p m u b h f 1 p x f s t v q q m z w p m u b h f w b s j b u j p o 7 p m u b h f m p b e w b s j b u j p o 1 p x f s t v q q m z w p m u b h f w b s j b u j p o 7 p m u b h f m p b e w b s j b u j p o * o u f s o b m s f g f s f o d f w p m u b h f * o u f s o b m p t d j m m b u j p o g s f r v f o d z g l ) [ $ p o e j u j p o * % n " 7 ( 4 7 7 % 4 7 7 ( 4 7 * % " 7 ( 4 7 * 4 " 7 ( 4 7 * % n " 7 ( 4 7 7 % 4 7 7 ( 4 7 * % " 7 ( 4 7 7 d d ? 7 7 d d ? 7 7 d d ? 7 7 d d 7 7 d d ? 7 7 d d 7 7 d d 7 . j o 5 z q . b y 7 d d 7 6 o j u 7 " n 7 7 " n 7 n " n " " 7 $ v s s f o u d p o t v n q u j p o b u g l ) [ 7 $ v s s f o u d p o t v n q u j p o s f n p u f 0 ' ' 7 3 f n p u f 0 / w p m u b h f 7 d d 7 7 3 f n p u f 0 ' ' w p m u b h f 7 d d ? 7 n 7 4 i p s u d j s d v j u d v s s f o u 7 d d 7 n 7 7 7 d d 7 l ) [ n 7 n 7 * o u f s o b m p t d j m m b u j p o g s f r v f o d z g l ) [ . b y j n v n e v u z s b u j p g l ) [ l ) [ 7 d d 7 7 ? 7 d d 7 7 d d 7 7 d d 7 " 4 p v s d f e s b j o e j p e f g p s x b s e w p m u b h f * 4 " 7 ( 4 7 5 b ? v o m f t t t q f d j g j f e p u i f s x j t f & m f d u s j d b m $ i b s b d u f s j t u j d t ? $ m j d l * u f n $ v s s f o u b u t p g u t u b s u q j o 4 p g u t u b s u 5 i s f t i p m e d v s s f o u b u 0 / s f t j t u b o d f e f u f d u j p o - b u d i u i s f t i p m e w p m u b h f 0 v u q v u w p m u b h f e f u f d u b d d v s b d z t f u b u 7 & s s p s b n q & s s p s b n q s f g f s f o d f w p m u b h f 0 w f s $ v s s f o u q s p u f d u j p o e f u f d u p s 5 i s f t i p m e w p m u b h f b u f y u f s o b m s f t j t u b o d f e f u f d u j p o 5 j n f s m b u d i d j s d v j u 5 j n f s d v s s f o u 0 w f s u f n q f s b u v s f q s p u f d u j p o e f u f d u p s 0 w f s i f b u q s p u f d u j p o p q f s b u j p o u f n q f s b u v s f 0 v u q v u w p m u b h f e f u f d u p s $ p o e j u j p o 7 d d 7 7 d d 7 7 d d 7 7 d d 7 7 d d 7 7 d d 7 7 d d ? 7 7 d d ? 7 7 d d ? 7 . j o 5 z q . b y 6 o j u " 7 n 7 " 7 7 7 " 7 7 0 v u q v u w p m u b h f e f u f d u b d d v s b d z t f u b u 7 ? 0 v u q v u w p m u b h f e f u f d u b d d v s b d z t f u b u 7 7 p m u b h f b u 4 4 q j o q s j p s u p u j n f s p q f s b u j p o 7 d d 7 r/c ( l.active ) s/s uvlo invl t n/c : 10,15,17,22 t yyy 3 f t j t u b o d f current limit2 current limit3 current limit1 pwm - comp ampin ocl - ocl - 2.5v/3.3v ocl + amp- osc vref v out v ref v dd v gh v out v b v boot v ref v cc lc p.gnd1 ampout error-amp v gl p.gnd2 gnd on/off control bandgap reference 1.26v 1% thermal shutdown v cc latch q r s s r q latch s r q latch s r q latch osc + - - + - + - + - + + - + - + - + - + 33130 2527 4,26 28 29 32 1 62 23 18 ~ 21 24 7 11 ~ 14 8 916 5 * o u f s o b m # m p d l % j b h s b n t ? # m p d l % j b h s b n 4 4 f m f d u j p o p g 1 s j n b s z $ p n q p o f o u t b o e 1 j o $ p o o f d u j p o t 5 i f d i b s b d u f s j t u j d t p g u i f % $ % $ d p o w f s u f s b s f j o g m v f o d f e c z u i f * $ j u t f m g b o e b m t p t j h o j g j d b o u m z c z u i f q f s j q i f s b m d p n q p o f o u t p g u i f d j s d v j u " x f m m e f t j h o f e d j s d v j u j t o f d f t t b s z u p n b l f u i f n p t u p g u i f q p u f o u j b m p g u i f . % / * u j t u i f s f g p s f o f d f t t b s z u p d m b s j g z u i f t q f d j g j d b u j p o t p g u i f s f r v j s f e q p x f s t v q q m z b o e u p t f m f d u d p n q p o f o u t b t g p m m p x t 4 f m f d u j o h u i f 0 v u q v u $ i p l f $ p j m j o e v d u p s - 5 i f d i p l f d p j m i b t b o j n q p s u b o u f g g f d u p o q p x f s t v q q m z q f s g p s n b o d f " t b s j q q m f d v s s f o u g m p x t j o u i f j o e v d u p s b t t i p x o j o u i f e j b h s b n c f m p x u i f j o e v d u b o d f t i p v m e c f t f m f d u f e u p f o t v s f u i b u ? * j t b q q s p y j n b u f m z p g u i f n b y j n v n p v u q v u d v s s f o u x i f o u i f j o q v u w p m u b h f j t b u j u t n b y j n v n ? $ v s s f o u 8 b w f g p s n j o 0 v u q v u $ i p l f $ p j m - 7 j n b y . b y j n v n j o q v u w p m u b h f | 7 7 0 0 v u q v u w p m u b h f | 7 ? * p g n b y j n v n p v u q v u d v s s f o u | " g 0 t d j m m b u j p o g s f r v f o d z l ) [ p s l ) [ | ) [ * 0 . b y j n v n p v u q v u d v s s f o u | " 5 i f j o e v d u p s j t h f o f s b m m z t f m f d u f e p o u i f c b t j t p g u i f d b m d v m b u j p o i p x f w f s j o t p n f d b t f t u i f o b u v s f p g u i f q s p e v d u n b z s f r v j s f b o j o e v d u p s x i j d i e j g g f s t g s p n u i f d b m d v m b u f e w b m v f " o j o e v d u p s j o x i j d i ? * j t c f u x f f o b o e p g u i f p v u q v u d v s s f o u j t s f d p n n f o e f e + + + vi +v 0 g g 1 MD3221N c4 c2 c8 c7 c1 c5 c6 r3 d1 d2 c3 l1 lc vboot ocl+ ocl - 2.5v/3.3v ampin ampout amp - p. gnd2 gnd osc r/c s/s v cc v dd p. gnd1 v out v b vref 6 32 1 5 7 24 25 27 28 29 11 ~ 14 30 31 8 3 2 16 4,26 18 ~ 21 ? 4 u b o e b s e $ p o o f d u j p o % j b h s b n + j n b y 7 0 7 0 - 1 | ) ? * + j n b y g ? * * p ? $ m j d l * g b i j h i f s j o e v d u b o d f w b m v f j t t f m f d u f e u i f p v u q v u s j q q m f w p m u b h f j t s f e v d f e i p x f w f s b t u i f d v s s f o u s b u j o h e s p q t u i f t j [ f p g u i f s f r v j s f e j o e v d u p s j t j o d s f b t f e 0 o u i f p u i f s i b o e j g b m p x f s j o e v d u b o d f w b m v f j t t f m f d u f e u i f t j [ f p g u i f s f r v j s f e j o e v d u p s j t s f e v d f e x i j m f q f b l d v s s f o u j t j o d s f b t f e u i v t t m j h i u m z j o d s f b t j o h u i f m p t t x i f o b m p b e j t b q q m j f e 8 i j m f u i f . % / j o d p s q p s b u f t b o p w f s d v s s f o u q s p u f d u j p o g v o d u j p o u i f j o e v d u p s t f m f d u f e n v t u c f t v d i u i b u n b h o f u j d t b u v s b u j p o e p f t o p u p d d v s b u u i f p w f s d v s s f o u e f u f d u j p o q p j o u " t b n b h o f u j d g j f m e j t h f o f s b u f e j o u i f w j d j o j u z p g u i f j o e v d u p s d p n q p o f o u m b z p v u b o e q b u u f s o e f t j h o n v t u c f t v d i b t u p f o t v s f u i b u u i f z e p o p u b g g f d u u i f d p o u s p m d j s d v j u 5 p s p j e b m p s d m p t f e n b h o f u j d d j s d v j u q p u u z q f j o e v d u p s t b s f s f d p n n f o e f e g p s b q q m j d b u j p o t m j l f m z u p c f b g g f d u f e c z n b h o f u j d g j f m e m f b l b h f b o e s b e j b u f e o p j t f 4 f m f d u j o h u i f 0 v u q v u $ p o e f o t f s $ " o p v u q v u d p o e f o t f s j t s f r v j s f e u p s f e v d f p v u q v u s j q q m f b o e u i v t p c u b j o b t u b c m f % $ w p m u b h f 5 i f d p o w f s u f s p v u q v u s j q q m f w p m u b h f j t e f u f s n j o f e c z ? * b o e d p o e f o t f s j n q f e b o d f 5 i f p v u q v u d p o e f o t f s j t t f m f d u f e j o s f m b u j p o u p u i f j n q f e b o d f 4 f m f d u u i f p v u q v u d p o e f o t f s c b t f e p o u i f e f t j s f e p v u q v u s j q q m f w p m u b h f v t j o h u i f g p m m p x j o h f r v b u j p o ; d $ p o e f o t f s j n q f e b o d f | 7 s j q 0 v u q v u s j q q m f w p m u b h f | 7 ? * p g n b y j n v n p v u q v u d v s s f o u | " 5 i f e f t j s f e s j q q m f w p m u b h f j t p c u b j o f e j g b d p o e f o t f s x j u i b o j n q f e b o d f m f t t u i b o u i b u d b m d v m b u f e x j u i u i f b c p w f f r v b u j p o j t t f m f d u f e g s p n u i f d b u b m p h * o b e e j u j p o u p b m p x j n q f e b o d f u i f p v u q v u d p o e f o t f s n v t u b m t p i b w f b s f b t p o b c m f d b q b d j u b o d f $ p o u s p m x j m m s f b e j m z c f d p n f v o t u b c m f b o e b n q h b j o b e k v t u n f o u x j m m q s p w f e j g g j d v m u j g d b q b d j u b o d f j t m p x " m v n j o v n f m f d u s p m z u j d d p o e f o t f s t b o e g v o d u j p o b m i j h i q p m z n f s f m f d u s p m z u j d d p o e f o t f s t b s f p g t v g g j d j f o u m z i j h i d b q b d j u b o d f t p u i b u j u o f f e o p u c f d p o t j e f s f e x i f o t f m f d u j o h p o u i f c b t j t p g u i f f r v b u j p o b c p w f 5 i f v t f p g t v d i d p o e f o t f s t s b u i f s u i b o d f s b n j d p s g j m n d p o e f o t f s t j t u i f s f g p s f s f d p n n f o e f e 0 o u i f p u i f s i b o e d p o d v s s f o u v t f p g d f s b n j d p s g j m n d p o e f o t f s t j t f g g f d u j w f j o f m j n j o b u j o h i j h i g s f r v f o d z o p j t f 4 f m f d u j o h u i f * o q v u $ p o e f o t f s $ " t b m b s h f s j q q m f d v s s f o u g m p x t j o u i f j o q v u d p o e f o t f s j u j t o f d f t t b s z u p d p o t j e f s u i f b m m p x b c m f w b m v f g p s s j q q m f d v s s f o u 4 f m f d u b o j o q v u d p o e f o t f s x j u i b o b m m p x b c m f s j q q m f d v s s f o u f y d f f e j o h u i f w b m v f d b m d v m b u f e j o u i f f r v b u j p o c f m p x * s j q " m m p x b c m f s j q q m f d v s s f o u | " 7 0 0 v u q v u w p m u b h f | 7 7 j * o q v u w p m u b h f | 7 % % v u z s b u j p * 0 0 v u q v u d v s s f o u | " % j t u i f s b u j p c f u x f f o u i f 0 / j o u f s w b m b o e u i f 0 ' ' j o u f s w b m b o e * s j q j t b u b n b y j n v n x i f o u i j t w b m v f j t 5 i f d b q b d j u b o d f p g u i f j o q v u d p o e f o t f s o f f e o p u c f q b s u j d v m b s m z i j h i i p x f w f s d b s f j t s f r v j s f e j g b d f s b n j d p s g j m n d p o e f o t f s j t v t f e " t m b s h f s j q q m f w p m u b h f t b s f h f o f s b u f e j o u i f j o q v u d p o e f o t f s e v s j o h d i b s h j o h b o e e j t d i b s h f b q b s u j d v m b s m z m p x j o q v u w p m u b h f n b z s f t v m u j o p q f s b u j p o c f d p n j o h v o t u b c m f " t u i j t s j q q m f w p m u b h f j t s f u v s o f e u p u i f j o q v u m j o f p u i f s d j s d v j u t q p x f s f e g s p n u i f t b n f m j o f n b z c f b g g f d u f e * o u f s g f s f o d f n b z p d d v s q b s u j d v m b s m z x i f o v t j o h n v m u j q m f % $ % $ d p o w f s u f s t b o e j o t v d i d b t f t b o j o e v d u p s p g b g f x ) j t j o t f s u f e j o u i f t u b h f c f g p s f u i f j o q v u d p o e f o t f s u p f m j n j o b u f u i f q s p c m f n 7 s j q ; $ | ? * 7 0 %1 7 j * s j q % % * 0 | " ? ? 5 i f t v c t u s b u f x j s j o h c f u x f f o u i f j o q v u d p o e f o t f s u p 7 % % b o e 1 ( / % j t t v c k f d u u p u i f h s f b u f t u w b s j b u j p o j o d v s s f o u b o e x j s j o h e f t j h o t i p v m e u i f s f g p s f g p d v t q s j n b s j m z p o s f e v d j o h j u t j n q f e b o d f u p u i f b c t p m v u f n j o j n v n 3 f g f s u p $ b v u j p o t g p s 1 b u u f s o % f t j h o g p s e f u b j m t 4 f m f d u j o h u i f 3 f h f o f s b u j w f % j p e f % 5 i f . % / f n q m p z t t z o d i s p o p v t s f d u j g j d b u j p o v t j o h b s f h f o f s b u j w f . 0 4 ' & 5 b o e s f r v j s f t b e j p e f u p c z q b t t u i f s f h f o f s b u j w f d v s s f o u e v s j o h u i f e f b e u j n f j o u f s w b m * g u i j t e j p e f j t o p u q s f t f o u s f h f o f s b u j w f d v s s f o u g m p x t j o u i f . 0 4 ' & 5 c p e z e j p e f e v s j o h u i f e f b e u j n f j o u f s w b m s f t v m u j o h j o j o d s f b t f e m p t t f t b o e o p j t f " 4 d i p u u l z c b s s j f s e j p e f x j u i m p x 7 ' j t j e f b m g p s v t f j o q s f w f o u j o h d v s s f o u g m p x j o h j o u i f c p e z e j p e f i p x f w f s j u j t j n q p s u b o u u i b u u i j t e j p e f i b t b m p x m f b l b h f d v s s f o u u p q s f w f o u u i f s n b m s v o b x b z 3 f d p n n f o e f e d p n q p o f o u % ' . 4 i j o e f o h f o 7 " 7 ' 7 n b y * 3 n " n b y . ' . 4 i j o e f o h f o 7 " 7 ' 7 n b y * 3 n " n b y 5 ' v o d u j p o t 4 f u u j o h u i f 0 v u q v u 7 p m u b h f . % / p v u q v u w p m u b h f n b z c f t f u c f u x f f o 7 b o e 7 8 i f o t f u u p 7 p s 7 u i f j o u f s o b m e j w j e j o h s f t j t u p s j t v t f e b o e b o f y u f s o b m s f t j t u p s j t o p u s f r v j s f e 0 v u q v u w p m u b h f j t t f u x j u i b n j o j n v n b d d v s b d z p g ? ? 8 j s j o h g p s 7 0 v u q v u ? 8 j s j o h g p s 7 0 v u q v u 5 i f j o u f s o b m e j w j e j o h s f t j t u p s j t d p o o f d u f e b d s p t t u i f 0 $ - b o e ( / % q j o t x j u i u i f e j w j e j o h q p j o u d p o o f d u f e u p u i f b n q * / q j o 5 i f b n q * / q j o t i p v m e u i f s f g p s f c f d p o o f d u f e u p u i f b n q q j o f y u f s o b m m z " o f y u f s o b m e j w j e j o h s f t j t u p s j t s f r v j s f e j g p v u q v u w p m u b h f j t u p c f t f u u p p u i f s u i b o 7 p s 7 " t u i f f s s p s b n q s f g f s f o d f w p m u b h f j t 7 u i f w b m v f g p s u i f e j w j e j o h s f t j t u p s j t e f u f s n j o f e x j u i u i f f r v b u j p o c f m p x 7 0 0 v u q v u w p m u b h f | 7 " t u i f s f g f s f o d f w p m u b h f i b t b n j o j n v n b d d v s b d z p g ? 5 i f b d d v s b d z p g u i f t f u p v u q v u w p m u b h f j t e f u f s n j o f e c z u i f b d d v s b d z p g u i f s f g f s f o d f w p m u b h f t b o e u i f b d d v s b d z p g u i f s f t j t u p s ? 8 j s j o h g p s 7 b s j b c m f 0 v u q v u 4 f m f d u j o h u i f 0 t d j m m b u j p o ' s f r v f o d z 5 i f . % / j o d p s q p s b u f t b o j o u f s o b m p t d j m m b u p s b o e b o f y u f s o b m $ 3 j t u i f s f g p s f o p u s f r v j s f e 5 i f p t d j m m b u j p o g s f r v f o d z n b z c f t f u u p f j u i f s l ) [ p s l ) [ 4 x j u d i j o h m p t t f t j o t x j u d i j o h q p x f s t v q q m j f t h f o f s b m m z j o d s f b t f b t u i f p t d j m m b u j p o g s f r v f o d z j o d s f b t f t i p x f w f s u i f . % / j t e f t j h o f e u p q s p w j e f t v g g j d j f o u m z i j h i f g g j d j f o d z b u l ) [ ' v s u i f s n p s f u i f o v n c f s p g q f s j q i f s b m d p n q p o f o u t f h u i f j o e v d u p s j t n j o j n j [ f e b o e u i v t b t u b o e b s e d j s d v j u v t j o h u i f l ) [ g s f r v f o d z q s p w j e f t c f o f g j u t j o u f s n t p g c p u i d p t u b o e t q b d f 6 t f p g u i f l ) [ g s f r v f o d z j t f g g f d u j w f j o u f s n t p g s f e v d j o h i j h i g s f r v f o d z o p j t f b o e j t n p s f f g g f d u j w f u i b o u i f l ) [ g s f r v f o d z b u m p x m p b e b u x i j d i t x j u d i j o h m p t t f t e p n j o b u f MD3221N ocl + ocl - 2.5v/3.3v 0.8v ampin amp - v out l1 11 ~ 14 25 27 31 30 29 + v 0 MD3221N 0.8v amp - r4 r5 v out l1 11 ~ 14 + v 0 29 MD3221N ocl+ 2.5v/3.3v 0.8v ampin amp - v out l1 11 ~ 14 25 27 31 30 29 + v 0 ocl - 3 7 0 3 1 | 3 1 l| ? $ m j d l 5 i f 0 4 $ q j o j t v t f e j o t f u u j o h u i f p t d j m m b u j p o g s f r v f o d z 5 i f l ) [ g s f r v f o d z j t t f m f d u f e c z d p o o f d u j o h u i f 0 4 $ q j o u p u i f 7 s f g q j o b o e l ) [ c z d p o o f d u j o h j u u p u i f ( / % q j o ? ' s f r v f o d z 4 x j u d i j o h 5 i f 4 p g u 4 u b s u ' v o d u j p o 5 i f . % / j o d p s q p s b u f t b t p g u t u b s u g v o d u j p o u p q s f w f o u p w f s t i p p u b u t u b s u v q b o e u p s f e v d f f m f d u s j d b m t u s f t t p o u i f e f w j d f " t t i p x o j o u i f e j b h s b n c f m p x u i f d p o e f o t f s $ j t d p o o f d u f e b d s p t t u i f 4 4 b o e ( / % q j o t " t u i f e v u z s b u j p j t m j n j u f e c z u i f w p m u b h f b u u i f 4 4 q j o h s b e v b m d i b s h j o h p g u i j t d p o e f o t f s b m m p x t b g j y f e s b u f p g j o d s f b t f j o u i f p v u q v u w p m u b h f ? 4 p g u 4 u b s u $ j s d v j u " t t i p x o j o u i f e j b h s b n u i f 4 4 q j o j t d i b s h f e b u b g j y f e d v s s f o u 8 i f o u i f w p m u b h f b u u i j t q j o s f b d i f t 7 n b j o t x j u d i p t d j m m b u j p o c f h j o t b o e p v u q v u w p m u b h f j o d s f b t f t " t u i f w p m u b h f b u u i f 4 4 q j o j o d s f b t f t u p b d p o t u b o u w b m v f p g 7 u i f p v u q v u w p m u b h f n v t u s f b d i u i f t f u w p m u b h f e v s j o h u i b u j o u f s w b m * g u i f d b q b d j u b o d f p g u i f p v u q v u d p o e f o t f s j t u p p i j h i u i f j o d s f b t f j o u i f p v u q v u w p m u b h f e p f t o p u g p m m p x u i f j o d s f b t f b u u i f 4 4 q j o u i v t q s f w f o u j o h t u b s u v q j o t p n f d b t f t ? 3 f m b u j p o t i j q # f u x f f o 4 p g u 4 u b s u 7 p m u b h f b o e * o q v u 0 v u q v u 7 p m u b h f * u j t o f d f t t b s z u p n p o j u p s p v u q v u w p m u b h f 7 0 j t b m x b z t t u b s u f e v q j o b e w b o d f u p u i f 4 4 u f s n j o b m w p m u b h f 3 f g f s u p u i f d i b s u b c p w f " t t i p x o j o u i f h s b q i c f m p x u i f d b q b d j u b o d f p g u i f d p o e f o t f s d p o o f d u f e u p u i f 4 4 q j o e f u f s n j o f t u i f t u b s u v q u j n f ? 3 f m b u j p o t i j q # f u x f f o 4 4 $ p o e f o t f s b o e 0 v u q v u 7 p m u b h f 4 u b s u v q 5 j n f 4 f m f d u b i j h i w b m v f g p s d b q b d j u b o d f p g u i f d p o e f o t f s d p o o f d u f e u p u i f 4 4 q j o j g m b u d i j t i b m u f e b u t u b s u v q 5 i f 3 f n p u f 0 / 0 ' ' ' v o d u j p o 3 $ " o f y u f s o b m t j h o b m n b z c f v t f e g p s 0 / 0 ' ' d p o u s p m p g u i f . % / 5 i f . % / j t t x j u d i f e 0 / x i f o u i f 3 $ q j o j t t f u u p - 7 p s m p x f s b o e t x j u d i f e 0 ' ' x i f o j u j t t f u u p ) 7 p s i j h i f s p s j t p q f o $ v s s f o u d p o t v n q u j p o b u 0 ' ' j t b q q s p y j n b u f m z " " t u i f 3 $ q j o j t q v m m f e v q j o u f s o b m m z j u n b z c f v t f e b t b o p q f o d p m m f d u p s u i v t f m j n j o b u j o h u i f o f f e g p s b q q m j d b u j p o p g b o f y u f s o b m w p m u b h f " o z f y u f s o b m MD3221N vref 300khz 100khz osc gnd 2 3 4 vi vss vo 2.9v MD3221N s/s c2 * s/s 32 v o/vi = 0.1 v o/vi = 0.3 v o/vi = 0.5 v o/vi = 0.7 0.001 0.1 1 10 100 0.010 0.100 1.000 s/s d p o e f o t f s d b q b d j u b o d f ( f ) 4 u b s u v q u j n f ( ms ) w p m u b h f b q q m j f e n v t u c f o p i j h i f s u i b o 7 $ $ 8 i f o u i f s f n p u f 0 / 0 ' ' g v o d u j p o j t v t f e b d p o e f o t f s j t d p o o f d u f e b d s p t t u i f 3 $ b o e ( / % q j o t u p q s f w f o u n b m g v o d u j p o j o h e v f u p o p j t f * g u i f d b q b d j u b o d f p g u i j t d p o e f o t f s j t u p p i j h i u i f p v u q v u w p m u b h f x j m m c f q s p e v d f e j o t u b o u b o f p v t m z x i f o b o j o q v u w p m u b h f j t b q q m j f e x i j m f u i f . % / j t 0 ' ' 5 i f d b q b d j u b o d f p g u i j t d p o e f o t f s t i p v m e c f b q q s p y j n b u f m z p g u i b u p g u i f 4 4 d p o e f o t f s $ b t p c u b j o f e g s p n u i f h s b q i j o 4 p g u 4 u b s u ' v o d u j p o 1 ? 3 f n p u f $ p o u s p m $ j s d v j u 5 i f 3 f g f s f o d f 7 p m u b h f 7 s f g 5 i f . % / q s p w j e f t b o j o u f s o b m u f n q f s b u v s f d p n q f o t b u f e s f g f s f o d f w p m u b h f 7 x i j d i n b z c f v t f e b t b s f g f s f o d f w p m u b h f v q u p n " g p s f y u f s o b m d j s d v j u t " d p o e f o t f s $ p g b q q s p y j n b u f m z ' j t d p o o f d u f e b d s p t t u i f 7 s f g b o e ( / % q j o t u p q s f w f o u n b m g v o d u j p o j o h e v f u p o p j t f ? / p u f u i b u u i j t w p m u b h f e j g g f s t g s p n u i f f s s p s b n q s f g f s f o d f w p m u b h f 5 i f 0 w f s d v s s f o u 1 s p u f d u j p o ' v o d u j p o u j n f s m b u d i 5 i f . % / j o d p s q p s b u f t b o p w f s d v s s f o u q s p u f d u j p o g v o d u j p o " t u i f p w f s d v s s f o u d p o e j u j p o j t e f u f d u f e x j u i u i f v t f p g u i f w p m u b h f e s p q s f t v m u j o h g s p n u i f 0 / s f t j t u b o d f p g u i f j o u f s o b m . 0 4 ' & 5 b o f y u f s o b m e f u f d u j p o s f t j t u b o d f j t o p u s f r v j s f e 8 i f o u i f p w f s d v s s f o u d p o e j u j p o j t e f u f d u f e u i f d p o e f o t f s $ d p o o f d u f e u p u i f 4 4 q j o j t d i b s h f e b h b j o b o e x i f o b m f w f m p g 7 j t s f b d i f e u i f m b u d i j t i b m u f e 5 p u v s o u i f u j n f s m b u d i p g g v t f u i f 3 $ g v o d u j p o u p t x j u d i 0 ' ' u i f . % / p s t x j u d i 0 ' ' u i f q p x f s t v q q m z w p m u b h f 5 i j t g v o d u j p o b m t p f n q m p z t u i f 4 4 q j o d p o e f o t f s b t b u j n f s % f u f s n j o f u i f d b q b d j u b o d f p g u i j t d p o e f o t f s j o s f g f s f o d f u p u i f t f d u j p o p o t p g u t u b s u ? 0 w f s d v s s f o u 1 s p u f d u j p o * o u i f q s p d f t t p g j o d s f b t j o h u i f p v u q v u w p m u b h f b u t u b s u v q u i f d p o w f s u f s h f o f s b m m z d i b s h f t u i f p v u q v u d p o e f o t f s s f t v m u j o h j o u i f p w f s d v s s f o u d p o e j u j p o 8 i f o u i f p w f s d v s s f o u q s p u f d u j p o d j s d v j u p q f s b u f t u i f m b u d i j t i b m u f e b o e t u b s u v q c f d p n f t j n q p t t j c m f 5 i f . % / u j n f s d j s d v j u j t m p d l f e u p q s f w f o u j u t p q f s b u j p o v o u j m u i f w p m u b h f b u u i f 4 4 q j o s f b d i f t 7 b o e x i f o u i f 4 4 q j o j t g v m m z d i b s h f e u i f m p d l j t d m f b s f e b o e u i f u j n f s d j s d v j u j t s f b e z g p s p q f s b u j p o * g i p x f w f s u i f p v u q v u w p m u b h f e p f t o p u s j t f c z u i f u j n f u i f 4 4 q j o j t d i b s h f e u p 7 u i f p w f s d v s s f o u q s p u f d u j p o d j s d v j u p q f s b u f t b o e u i f m b u d i j t i b m u f e 5 i f p v u q v u w p m u b h f n v t u u i f s f g p s f s f b d i u i f t f u w p m u b h f c f g p s f u i f w p m u b h f b u u i f 4 4 q j o s f b d i f t 7 MD3221N c r/c 1 MD3221N s/s c2 * timer 32 0 w f s d v s s f o u 3.45v 2.9v vss vo vi 4 i p s u d j s d v j u 1 s p u f d u j p o 5 i f t i p s u d j s d v j u q s p u f d u j p o g v o d u j p o e f t d s j c f e b c p w f p q f s b u f t x i f o u i f p v u q v u q j o j t d p n q m f u f m z t i p s u d j s d v j u f e p s j g q p x f s j t t x j u d i f e p o j o u i f t i p s u d j s d v j u f e d p o e j u j p o i p x f w f s b t b o f y u s f n f m z i j h i d v s s f o u g m p x t j o u i f d p o w f s u f s u i f m b u d i d j s d v j u n b z o p u p q f s b u f e v f u p o p j t f s f t v m u j o h g s p n u i j t t i p s u d j s d v j u d v s s f o u " q s p u f d u j p o d j s d v j u j o e f q f o e f o u p g u i f . % / t i p v m e u i f s f g p s f c f q s p w j e f e u p b d d p n n p e b u f t v d i d b t f t s f g f s u p & y u f s o b m 1 s p u f d u j p o $ j s d v j u t 5 i f $ v s s f o u - j n j u j o h ' v o d u j p o f y u f s o b m s f t j t u b o d f e f u f d u j p o * o b e e j u j p o u p p w f s d v s s f o u q s p u f d u j p o v t j o h u i f u j n f s m b u d i u i f . % / j o d p s q p s b u f t b g v o d u j p o u p m j n j u p v u q v u d v s s f o u $ p o o f d u j p o p g b o f y u f s o b m s f t j t u p s g b d j m j u b u f t j o d p s q p s b u j p o p g e s p p q d i b s b d u f s j t u j d t g p s u i f p v u q v u b u b o z e f t j s f e d v s s f o u w b m v f - j n j u j o h u i f n b y j n v n p v u q v u q p x f s t j n q m j g j f t t u b s u v q x i f o u i f d v s s f o u t v q q m z d b q b d j u z p g u i f j o q v u q p x f s t v q q m z j t m p x " t t i p x o j o u i f e j b h s b n u i f w p m u b h f e s p q b d s p t t u i f j o t f s u f e s f t j t u p s 3 j t e f u f d u f e b u n 7 5 i f u j n f s m b u d i j t e j t b c m f e x i f o e s p p q d i b s b d u f s j t u j d t b s f j o d p s q p s b u f e j o u i f p v u q v u v t j o h u i j t g v o d u j p o 8 i f o u i f j n q f e b o d f b u u i f m p b e t j e f b q q s p b d i f t [ f s p d v s s f o u j o d s f b t f t b o e u i f u j n f s m b u d i p q f s b u f t u p q s p u f d u u i f d j s d v j u 5 i f 0 $ - b o e 0 $ - t i p v m e c f t i p s u f e j g u i j t g v o d u j p o j t o p u v t f e ? $ j s d v j u g p s $ v s s f o u - j n j u j o h ' v o d u j p o f y u f s o b m s f t j t u b o d f e f u f d u j p o 5 i f 0 w f s i f b u 1 s p u f d u j p o ' v o d u j p o 5 i f . % / j o d p s q p s b u f t b o p w f s i f b u q s p u f d u j p o g v o d u j p o 5 i f p t d j m m b u p s j t i b m u f e x i f o u i f k v o d u j p o u f n q f s b u v s f s f b d i f t ? e v f u p p q f s b u j p o v o e f s b e w f s t f d p o e j u j p o t 5 i f p t d j m m b u p s c f h j o t p q f s b u j p o b h b j o x i f o u i f u f n q f s b u v s f e s p q t u p ? " s f t f u t j h o b m j t o p u s f r v j s f e & s s p s " n q ( b j o " e k v t u n f o u & s s p s b n q h b j o b e k v t u n f o u j t f g g f d u j w f j o f o t v s j o h t u b c m f p q f s b u j p o p g u i f q p x f s t v q q m z d j s d v j u b o e h p p e u s b o t j f o u s f t q p o t f " t u i f b q q s p q s j b u f d p o t u b o u w b s j f t x j u i u i f d p n q p o f o u t v t f e f h p v u q v u d p o e f o t f s u i f . % / i b t b o f y u f s o b m f s s p s b n q j o q v u p v u q v u q j o g p s b e k v t u n f o u g p m m p x j o h t f m f d u j p o p g u i f q s j n b s z d p n q p o f o u t ? & s s p s " n q ( b j o " e k v t u n f o u $ j s d v j u # p p u t u s b q 5 i f . % / f n q m p z t b o / d i . 0 4 ' & 5 j o u i f i j h i t j e f t x j u d i 5 i f m p b e t v q q m z d j s d v j u j t c p p u t u s b q q f e u p u i f h b u f p g u i j t . 0 4 ' & 5 " d p o e f o t f s $ j t d p o o f d u f e b d s p t t u i f 7 # b o e 7 0 6 5 q j o t b t q b s u p g u i f q p x f s t v q q m z 5 i f d b q b d j u b o d f p g $ n v t u c f t v g g j d j f o u j o s f m b u j p o u p u i f d b q b d j u b o d f p g u i f . 0 4 ' & 5 h b u f 6 t f b d f s b n j d d p o e f o t f s p g b q q s p y j n b u f m z ' MD3221N ocl + ocl - v out l1 r2 + v 0 25 11 ~ 14 27 MD3221N ampout r3 c6 29 amp - 28 5 i f m p b e b q q m j f e u p $ j t t v q q m f n f o u f e g s p n u i f 7 c p p u q j o w j b % x j u i f b d i q v m t f d z d m f 5 i j t j t c b d l f e v q c z $ x i j m f t j n v m u b o f p v t m z t u b c j m j [ j o h u i f w p m u b h f b u u i f 7 c p p u q j o 5 i f d b q b d j u b o d f p g $ t i p v m e u i f s f g p s f c f f r v b m u p p s h s f b u f s u i b o u i b u p g $ 5 i f w p m u b h f b u u i f 7 c p p u q j o j t d p o u s p m m f e u p 7 " t $ j t d i b s h f e x j u i b w p m u b h f x i j d i j t m f t t u i b o u i j t 7 c z b o b n p v o u f r v b m u p u i f 7 ' p g u i f e j p e f % x i f o u i f 7 ' p g u i j t e j p e f j t i j h i u i f h b u f e s j w f w p m u b h f e s p q t b o e u i f q s f w j p v t q f s g p s n b o d f j t u i f o o p u p c u b j o f e " t u i f b w f s b h f d v s s f o u j t j o u i f p s e f s p g b g f x n " b t n b m m t j h o b m e j p e f j t t v g g j d j f o u i p x f w f s j u j t j n q p s u b o u u p b w p j e b e j p e f x j u i b i j h i w p m u b h f s f t j t u b o d f b o e i j h i 7 ' s f g f s u p " q q m j d b u j p o $ j s d v j u & y b o q m f t ? # p p u t u s b q $ j s d v j u 5 i f - $ v u d v u p g g e f u f d u ' v o d u j p o " t q s f w j p v t m z e f t d s j c f e b d p o u j o v p v t d v s s f o u o p s n b m m z g m p x t j o u i f d i p l f d p j m 5 i j t d v s s f o u j o d m v e f t b s j q q m f d v s s f o u e f u f s n j o f e c z u i f j o e v d u b o d f b o e j o q v u p v u q v u w p m u b h f p g u i f d i p l f d p j m " t u i f b w f s b h f w b m v f j t u i f p v u q v u d v s s f o u x i f o u i f p v u q v u d v s s f o u j t m f t t u i b o ? b u m p x m p b e u i f d v s s f o u c f d p n f t e j t d p o u j o v p v t d v u p g g 5 i f . % / b m m p x t t f m f d u j p o p g u x p p q f s b u j o h n p e f t j o u i f d v u p g g s f h j p o 1 p x f s 4 b w j o h . p e f - d v u 0 / 5 i j t n p e f j t 0 / x i f o u i f - $ b o e 7 s f g q j o t b s f d p o o f d u f e ) 8 i f o u i f d i p l f d p j m d v s s f o u j t d v u p g g u i f 0 / s b o h f j t o b s s p x f e b o e u i f b w f s b h f d v s s f o u e s p q t " t u i f d v s s f o u g m p x j o h j o u i f . 0 4 ' & 5 j t s f e v d f e u i f m p t t f t b u m p x m p b e b s f s f e v d f e i p x f w f s w b s j b u j p o j o u i f 0 / s b o h f j o d s f b t f t b o e u s b o t j f o u s f t q p o t f e f u f s j p s b u f t j o q s p q p s u j p o " t q p x f s t b w j o h j t c f o f g j d j b m b u i j h i j o q v u w p m u b h f t c f o f g j u t b u 7 b s f n j o j n b m b o e j u j t u i f s f g p s f s f d p n n f o e f e u i b u $ v s s f o u 3 f h f o f s b u j p o . p e f - d v u 0 ' ' c f v t f e b u m p x w p m u b h f t ? - $ v s s f o u 8 b w f g p s n b u - p x m p b e ? * o q v u $ v s s f o u 7 j 1 7 b u - p x m p b e $ v s s f o u 3 f h f o f s b u j p o . p e f - d v u 0 ' ' 5 i j t n p e f j t 0 ' ' x i f o u i f - $ b o e ( / % q j o t b s f d p o o f d u f e - 5 i f d v s s f o u j o u i f d i p l f d p j m g m p x t j o u i f s f w f s t f e j s f d u j p o u i v t s f h f o f s b u j o h f o f s h z b o e s f t v m u j o h j o b d p o u j o v p v t d v s s f o u f w f o b u o p m p b e MD3221N vboot c4 v out v b 7 24 11 ? 14 c3 d1 - $ g v o d u j p o 0 / - $ g v o d u j p o 0 ' ' 0 0 10 5 0 010 0 v u q v u d v s s f o u ( ma ) * o q v u d v s s f o u ( ma ) 20 30 40 50 lc : off lc : on 30 25 20 15 " t u i f 0 / s b o h f s f n b j o t d p o t u b o u j s s f t q f d u j w f p g u i f m p b e b q q m j f e b t u b c m f s f t q p o t f j t p c u b j o f e f w f o v o e f s s b q j e d i b o h f t j o m p b e g s p n u i f o p m p b e d p o e j u j p o 0 o u i f p u i f s i b o e b t u i f b d u v b m d v s s f o u w b m v f j o d s f b t f t j o q v u d v s s f o u b u m p x m p b e j o d s f b t f t t m j h i u m z j o d p n q b s j t p o x j u i u i b u b u - d v u 0 / ? 5 s b o t j f o u 3 f t q p o t f x j u i - $ 0 / 0 ' ' 5 s b o t j f o u s f t q p o t f n b z c f p q u j n j [ f e x j u i f s s p s b n q h b j o b e k v t u n f o u s f g f s u p & s s p s " n q ( b j o " e k v t u n f o u g p s e f u b j m t ' p s u i f h s b q i b c p w f u x p ' b m v n j o v n f m f d u s p m z u j d d p o e f o t f s t $ x f s f v t f e g p s u i f p v u q v u d p o e f o t f s b q ' d p o e f o t f s g p s $ b o e b . s f t j t u p s g p s 3 - p b e d v s s f o u j t f y u s f n f m z m p x b o e u i f e j g g f s f o d f t i p x o j o u i f e j b h s b n j t p c u b j o f e b u u i f u s b o t j f o u s f t q p o t f g s p n u i f d i p l f d p j m d v s s f o u d v u p g g s f h j p o v q u p b q q s p y j n b u f m z p g u i f n b y j n v n p v u q v u d v s s f o u i p x f w f s u i f s f j t b m n p t u o p e j g g f s f o d f j o u s b o t j f o u s f t q p o t f e v f u p - $ 0 / 0 ' ' j o u i f o p o d v u p g g s f h j p o $ p o e j u j p o t vi = 5v, vo = 3.3v, output current 0a 3a x axis : 100 t e j w : b y j t n 7 e j w lc : on lc : off 6 $ b v u j p o t g p s 1 b u u f s o % f t j h o 1 s j n b s z $ j s d v j u 1 b u u f s o % f t j h o ? 8 j s j o h 1 b u u f s o * m m v t u s b u j p o * o u i f n b j o d j s d v j u u i f q b u u f s o c f u x f f o u i f j o q v u d p o e f o t f s b o e 7 % % b o e c f u x f f o 1 ( / % b o e u i f j o q v u d p o e f o t f s b s f t v c k f d u u p u i f h s f b u f t u w b s j b u j p o t j o d v s s f o u 1 b s u j d v m b s b u u f o u j p o t i p v m e u i f s f g p s f c f h j w f o u p f o t v s f u i b u u i f t f q b u u f s o t b s f b t u i j d l b o e b t t i p s u b t q p t t j c m f 5 i f v t f p g u i s p v h i i p m f t j o u i f t f q b u u f s o t j t u p c f b w p j e f e 7 p m u b h f e s p q e v f u p u i f % $ s f t j t u b o d f p g u i s p v h i i p m f t n b z s f t v m u j o b d i b o h f j o u i f p w f s d v s s f o u e f u f d u j p o q p j o u j o t p n f d b t f t 5 i f 4 # % q b u u f s o j t d p o o f d u f e o f y u $ p o o f d u u i f b o p e f u p 1 ( / % b o e u i f d b u i p e f u p 7 0 6 5 " m p o h q b u u f s o j o u i j t d b t f x j m m o p u p o m z s f t v m u j o d p o t j e f s b c m f o p j t f c v u x j m m b m t p d b v t f b e s p q j o f g g j d j f o d z 5 i f d i p l f d p j m b o e p v u q v u d p o e f o t f s b s f d p o o f d u f e o f y u " t u i j t q b u u f s o d b s s j f t b d p o u j o v p v t d v s s f o u w p m u b h f e s p q s b u i f s u i b o o p j t f j t u i f j n q p s u b o u d p o t j e f s b u j p o " m p o h q b u u f s o j o u i j t d b t f x j m m s f t v m u j o b w p m u b h f e s p q e v f u p q b u u f s o % $ s f t j t u b o d f b o e s f e v d f e f g g j d j f o d z 5 i f . % / j t e f t j h o f e u p s b e j b u f i f b u u i s p v h i u i f t v c t u s b u f q b u u f s o * o q b s u j d v m b s c p u i u i f 7 % % b o e 7 0 6 5 q j o t b s f b m m p d b u f e f b d i u p g p v s q j o t b o e d p o o f d u f e e j s f d u m z u p u i f j o u f s o b m m f b e g s b n f " m m p g u i f t f q j o t n b z u i f s f g p s f c f v t f e u p f o t v s f b m b s h f q b u u f s o b s f b b o e u i v t q s p w j e f g p s f g g f d u j w f s b e j b u j p o p g i f b u $ p o u s p m $ j s d v j u 1 b u u f s o % f t j h o 5 i f d p o u s p m d j s d v j u q b u u f s o n v t u c f e f t j h o f e u p f o t v s f u i b u j u j t o p u t v c k f d u u p o p j t f f m f d u s j d g j f m e t b o e n b h o f u j d g j f m e g s p n u i f d i p l f d p j m 5 i f ( / % q j o j t u i f d p o u s p m * $ ( / % $ p o o f d u u i j t q j o d m p t f u p u i f j o q v u d p o e f o t f s 5 i f 7 $ $ q j o j t u i f d p o u s p m d j s d v j u j o q v u q j o " m x b z t d p o o f d u b d p o e f o t f s $ b d s p t t u i f 7 $ $ b o e ( / % q j o t u p f m j n j o b u f o p j t f 5 i f 7 s f g q j o q s p w j e f t u i f s f g f s f o d f w p m u b h f g p s u i f j o u f s o b m m p h j d d j s d v j u p g u i f * $ / p j t f b u u i j t q j o n b z s f t v m u j o b n b m g v o d u j p o " m x b z t d p o o f d u b d p o e f o t f s $ u p u i j t q b u u f s o u p f m j n j o b u f o p j t f 5 i f 1 ( / % q j o j t u i f m p x t j e f e s j w f s ( / % b o e j t d p o o f d u f e u p u i f 1 ( / % q j o & o t v s f u i b u u i f t f q j o t b s f d p o o f d u f e d m p t f u p u i f w f q j o p g u i f j o q v u d p o e f o t f s 4 v c t u s b u f q b u u f s o e f t j h o i b t b n b k p s f g g f d u p o % $ % $ d p o w f s u f s d i b s b d u f s j t u j d t " t u i f . % / t x j u d i f t b m b s h f d v s s f o u w f s z s b q j e m z b m b s h f j o e v d u b o d f d p n q p o f o u j o u i f q b u u f s o x j m m q s p w j e f b t p v s d f p g o p j t f * u j t u i f s f g p s f w f s z j n q p s u b o u u p f o t v s f u i b u u i f q s j n b s z d j s d v j u q b u u f s o j t b t u i j d l b o e t i p s u b t q p t t j c m f MD3221N v out + v o v i p.gnd2 gnd v cc v dd ? $ m j d l 7 " q q m j d b u j p o $ j s d v j u & y b n q m f t 7 j o q v u 7 p v u q v u " ) [ p q f s b u j o h g s f r v f o d z 3 $ - $ 0 ' ' + + v i:5v v o : 2.5v/3a g g 1 MD3221N lc vboot c4 : 0.1 f c7: 1 f c1: 68 f c2: 0.01 f c 8:1 f c3 : 0.1 f c5: 330 f 2 c6: 1000pf l1 : 4.7 h hsu119 d2 : d1fm3 r3: 100k ocl + ocl - 2.5v/3.3v ampin ampout amp - p. gnd 2 gnd osc r/c s/s v cc v dd p. gnd 1 v out v b vref 6 32 1 5 7 24 25 27 28 29 11 ~ 14 30 31 8 3 2 16 4,26 18 ~ 21 ? " q q m j d b u j p o $ j s d v j u & y b n q m f $ p n q p o f o u d p e f 5 z q f $ ) j h i q p m z n f s p s h b o j d t f n j d p o e v d u p s f m f d u s p m z u j d d p o e f o t f s $ $ f s b n j d d p o e f o t f s $ $ f s b n j d d p o e f o t f s $ $ f s b n j d d p o e f o t f s $ $ f s b n j d d p o e f o t f s $ $ f s b n j d d p o e f o t f s $ ) j h i q p m z n f s p s h b o j d t f n j d p o e v d u p s f m f d u s p m z u j d d p o e f o t f s * o e v d u p s % - 3 4 d i p u u l z c b s s j f s e j p e f 3 f t j t u p s 3 b u j o h 7 ' * s j q " 7 ' 7 ' 7 ' 7 q ' 7 ' $ f s b n j d d p o e f o t f s $ 7 ' 7 ' & 4 3 n 1 ) % ' . 7 " 7 ' 7 n b y % 4 x j u d i j o h e j p e f ) 4 6 7 n " 7 ' 7 n b y l $ p n q p o f o u & y b n q m f t ? $ m j d l 8 % j n f o t j p o % s b x j o h 6 o j u n n . " 9 . - p u / p ? ? ? " 1 p s u j p o % f u b j m p g " 1 p s u j p o 4 1 . % / $ p n q b o z / b n f 5 z q f / p ? % j n f o t j p o % s b x j o h 4 4 0 1 ? $ m j d l 9 . p v o u j o h - $ 5 1 . % / * $ 5 1 5 1 5 1 $ $ $ $ $ $ $ 3 $ 7 0 7 * / ( / % $ / c1 2 01n07 c11 c11 c11 $ $ $ 3 $ $ $ + 1 + 1 + 1 + 1 + 1 + 1 3 3 $ $ % % 3 3 $ $ $ $ + 1 + 1 + 1 + 1 $ + 1 + 1 + 1 3 $ % , , , $ $ $ $ 3 3 r2 r2 1 r2 r2 2 3 3 $ % 3 $ 3 3 3 $ $ + 1 + 1 + 1 + 1 + 1 r2 1 r2 2 3 4 v c t u s b u f . p v o u j o h & y b n q m f $ b v u j p o t g p s . p v o u j o h # p u i g m p x b o e s f g m p x j t b q q m j d b c m f x i f o n p v o u j o h " t u i j t q b u u f s o e p f t o p u j o d p s q p s b u f b o p w f s d v s s f o u q s p u f d u j p o d j s d v j u p s j o q v u g v t f u i f z n v t u c f b e e f e t f q b s b u f m z j g u i f d j s d v j u j t u p c f v t f e j o q s b d u j d f 5 i f s f d p n n f o e f e u f n q f s b u v s f q s p g j m f g p s s f g m p x t p m e f s j o h j t t i p x o c f m p x ? 3 f d p n n f o e f e 5 f n q f s b u v s f 1 s p g j m f & o t v s f u i b u u i f g p m m p x j o h s f r v j s f n f o u t b s f n f u x i f o v t j o h b t p m e f s j o h j s p o 5 j q u f n q f s b u v s f ? n b y j n v n 4 p m e f s j o h u j n f t f d n b y j n v n ? 4 p m e f s j o h 1 b e 3 f g f s f o d f 1 b u u f s o y - ? w 9 s yy ? n b y ? ? ? ? ? ? t ? t ? t 6 o j u n n ? $ m j d l 10 & y u f s o b m 1 s p u f d u j p o $ j s d v j u t $ p o o f d u j p o p g * o q v u 1 s p u f d u j p o % f w j d f t 8 i j m f u i f . % / j o d p s q p s b u f t c p u i p w f s d v s s f o u q s p u f d u j p o b o e p w f s i f b u q s p u f d u j p o g v o d u j p o t u i f t f q s p u f d u j p o d j s d v j u t n b z o p u p q f s b u f o p s n b m m z j g b g b v m u p s b n b m g v o d u j p o e f w f m p q t j o u i f * $ " q s p u f d u j w f e f w j d f f h b g v t f t i p v m e c f j o t f s u f e j o u i f w f j o q v u m j o f u p q s f w f o u p w f s i f b u j o h b o e d p o t f r v f o u t n p l f p s g j s f b t b s f t v m u p g f y d f t t j o q v u d v s s f o u 4 f m f d u u i f s b u f e d v s s f o u p g u i f g v t f f u d j o d p o t j e f s b u j p o p g g b d u p s t t v d i b t u i f % $ % $ d p o w f s u f s j o q v u d v s s f o u b o e d v s s f o u d b q b d j u z p g u i f j o q v u q p x f s t v q q m z $ p o o f d u j p o p g 0 w f s w p m u b h f 1 s p u f d u j p o $ j s d v j u 5 i f . % / e p f t o p u j o d p s q p s b u f b o p w f s w p m u b h f q s p u f d u j p o d j s d v j u 0 o f p g u i f n p e f t t v q q p s u f e j t t v d i u i b u u i f j o q v u w p m u b h f x j m m b q q f b s v o d i b o h f e b u u i f p v u q v u e f t q j u f p q f s b u j p o c f j o h i b m u f e j g u i f * $ j t e b n b h f e g p s b o z s f b t p o 4 v d i e b n b h f u p u i f m p b e n b z s f t v m u j o t n p l f b o e g j s f b o e b o p w f s w p m u b h f q s p u f d u j p o d j s d v j u t i p v m e u i f s f g p s f c f b e e f e u p q s f w f o u t v d i q s p c m f n t " s f q s f t f o u b u j w f f y b n q m f p g b o p w f s w p m u b h f q s p u f d u j p o d j s d v j u j t t i p x o j o u i f e j b h s b n c f m p x 5 i f p w f s w p m u b h f q s p u f d u j p o d j s d v j u j t j o t f s u f e p o u i f m p b e t j e f p g u i f p v u q v u t n p p u i j o h d p o e f o t f s l1 c5 dc j o q v u 1 s p u f d u j p o e f w j d f f h g v t f - p b e + - 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u d20 thy20 c20 r21 r20 d21 f20 + MD3221N v dd gnd p.gnd1,2 v out 11 ~ 14 4,26 8,16 18 ~ 21 ? & y u f s o b m 1 s p u f d u j p o $ j s d v j u t $ p n q p o f o u o v n c f s $ p n q p o f o u ' 1 s p u f d u j p o e f w j d f f h g v t f 3 3 f t j t u p s 3 3 f t j t u p s $ $ f s b n j d d p o e f o t f s % ; f o f s e j p e f % % j p e f 0 v u q v u w p m u b h f 5 i z s j t u p s 5 ) : 7 7 7 7 7 ) ; . / # ) ; . / # ) ; . / # ) ; . / # ) ; . / # 8 4 f m f d u j o b d d p s e b o d f x j u i m p b e d v s s f o u 8 ' . ' - 6y 7 " 1 + ;y 7 " ? $ m j d l 11 $ i b s b d u f s j t u j d t 0 v u q v u w p m u b h f 7 $ p o e j u j p o t - $ 0 ' ' g 1 l ) [ - 1 ) 5 b 1 ? v o m f t t t q f d j g j f e p u i f s x j t f 100 90 80 70 60 50 40 30 20 10 0 0 0.5 1 1.5 2 2.5 3 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 v u q v u d v s s f o u * p [ a ] & g g j d j f o d z [ % ] $ j s d v j u m p t t 1 [ w ] vi = 5v vi = 8v vi = 12v vi = 20v ? & g g j d j f o d z b o e - p t t $ i b s b d u f s j t u j d t g 1 l ) [ - 30 3.2 3.24 3.28 3.32 3.36 3.4 - 10 10 30 50 70 90 " n c j f o u u f n q f s b u v s f 5 b [ ?c ] 0 v u q v u w p m u b h f 7 p [ v ] ? 5 f n q f s b u v s f $ i b s b d u f s j t u j d t b u 7 j 1 7 * 0 1 " 0510 15 20 3.2 3.24 3.28 3.32 3.36 3.4 * o q v u w p m u b h f 7 j [ v ] 0 v u q v u w p m u b h f 7 p [ v ] ? - j o f 3 f h v m b u j p o b u * 0 1 " 9 b y j t : 10ms/div. : b y j t : ch1 : 5v/div. z ch2 : 2v/div. z ch3 : 2v/div. ch1 : * o q v u w p m u b h f ch2 : s/s pin w p m u b h f ch3 : 0 v u q v u w p m u b h f ? 4 u b s u v q $ i b s b d u f s j t u j d t b u 7 j 1 7 * 0 1 " 0 0.5 1 1.5 2 2.5 3 3.2 3.24 3.28 3.32 3.36 3.4 0 v u q v u d v s s f o u * p [ a ] 0 v u q v u w p m u b h f 7 p [ v ] ? - p b e 3 f h v m b u j p o b u 7 j 1 7 9 b y j t : 10ms/div. : b y j t : ch1 : 5v/div. z ch2 : 2v/div. z ch3 : 2v/div. ch1 : r/c pin w p m u b h f ch2 : s/s pin w p m u b h f ch 3 : 0 v u q v u w p m u b h f ? 3 $ 4 u b s u v q $ i b s b d u f s j t u j d t b u 7 j 1 7 * 0 1 " ? $ m j d l & g g j d j f o d z c z 0 v u q v u 7 p m u b h f $ p o e j u j p o t - $ 0 ' ' g 1 l ) [ - 1 ) 5 b 1 ? 0 v u q v u w p m u b h f 7 0 1 7 7 7 7 7 & g g j d j f o d z b u ' s f r v f o d z p g , ) [ $ p o e j u j p o t - $ 0 ' ' g 1 l ) [ - 1 ) 5 b 1 ? 0 v u q v u w p m u b h f 7 & g g j d j f o d z [ % ] 0 v u q v u d v s s f o u * p [ a ] 3 2.5 2 1.5 1 0.5 0 60 50 40 70 80 90 100 vo = 3.3v vo = 2.5v vo = 1.8v vo = 1.2v vo = 0.8v ? & g g j d j f o d z c z 0 v u q v u 7 p m u b h f b u 7 j 1 7 & g g j d j f o d z [ % ] $ j s d v j u m p t t 1 [ w ] 0 v u q v u d v s s f o u * p [ a ] 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 3 2.5 2 1.5 1 0.5 0 0 20 10 50 40 30 90 80 70 60 100 vin = 5v vin = 8v vin = 12v vin = 20v ? & g g j d j f o d z b o e - p t t f t g 1 l ) [ 12 1 b d l b h j o h 5 b q f 3 f f m ? 5 b q f . b u f s j b m 1 7 $ $ b s c p o % j n f o t j p o t $ p n q m z x j u i + * 4 $ pin 4 j e f shindengen MD3221N ????? % j s f d u j p o p g ' f f e 2.2 ? 0.1 2.1 ? 0.1 ( 2.8 ) 14.2 3.1 ? 0.1 4.0 ? 0.1 1. 5 +0.1 0.3 ? 0.1 10.4 12.0 ? 0.1 1.75 ? 0.1 11.5 ? 0.1 24.0 ? 0.9 2.0 ? 0.1 0 . 0.2 . 0.4 . 0.6 . 0.8 p s - b c f m 25.5 ? 0.5 330 ? 2 80 ? 1 13 ? 0.2 29.4 ? 0.1 jeita.rrm.24.d ? 3 f f m . b u f s j b m 1 p m z t u z s f o f % j n f o t j p o t $ p n q m z x j u i + & * 5 " & 5 ~ - b c f m 5 z q f / p $ p e f / p % b u f $ p e f 2 v b o u j u z . b o v g b d u v s f s ? - f b e f s b o e 5 s b j m f s 5 s b j m f s 0 w f s - f b e f s 0 w f s 5 p q d p w f s 0 w f s % f w j d f 6 o j u n n 6 o j u n n 6 o j u n n ? $ m j d l 1 b d l j o h 0 s e f s j o h b o e % j n f o t j p o t d w - b c f m h ~ 5 b q f 3 f f m q d t 3 f f m t 0 v u f s $ b s u p o t 1 m f b t f d p o t p m j e b u f p s e f s j o h r v b o u j u j f t b u c b t j d p s e f s j o h r v b o u j u z v o j u 2000 package code no. ssop32 4072 2000 pcs./carton weight (kg) dw 6000 7.6 363 363 160 h quantities per outer carton minimum ordering quantities quantities per inner carton ( pcs. ) outer carton ( mm ) 6 o j u n n ~ . b s l j o h 5 z q f / p $ p e f / p % b u f $ p e f 2 v b o u j u j f t 02500 ( nq ) this product is classified as the integrated circuit specified in item 7 in the attached table no. 1 to the export trade contro l order and in article 6 of the ordinance of the ministry of international trade and industry. * this product is subject to the know regulation. may 2002 shindengen electric mfg. co., ltd. ikebukuro office: ikebukuro. ys bldg., 1-13-23, minami-ikebukuro, toshima- ku, tokyo 171-0022, japan phone : ( 81 ) -03-5951-8105, 8130 fax : ( 81 ) -03-5951-8090 u.s.a shindengen america, inc. head office 2985 e. hillcrest drive, suite 140 westlake village, ca91362, u.s.a. phone: ( 1 ) -805-373-1130 fax: ( 1 ) -805-373-3710 chicago office 411 business center drive, suite 112 mt. prospect, il 60056 u.s.a. phone: ( 1 ) -847-827-7100 fax: ( 1 ) -847-827-7122 europe shindengen uk ltd. howard court, 12 tewin road, welwyn garden city, hertfordshire. al7 ibw phone: ( 44 ) -1707-332-992 fax: ( 44 ) -1707-332-955 german branch office kaiser-strasse 25, d-40479 dusseldorf, germany phone: ( 49 ) -211-491968-0 fax: ( 49 ) -211-4986499 asia shindengen singapore pte ltd. 159, sin ming road #04-07, amtech building singapore 575625 phone:65-6552-3635 fax:65 -6 552 - 4210 shindengen (h.k.) co., ltd. head office suite 3206, 32/f, tower 1, the gateway, 25 canton road, tst, kowloon, hong kong phone: ( 852 ) -2317-1884 fax: ( 852 ) -2314-8561 taipei branch room n1010, 10f, chia-hsin bldg. 2 no. 96, sec. 2, chung shan n. rd taipei, taiwan r.o.c. phone:886-2-2560-3990 fax:886-2-2560-3991 shanghai liaison office w504, sun plaza, no.88 xianxia road shanghai 200336, china phone:86-21-6270-1173 fax:86-21-6270-0419 shindengen electric mfg. co., ltd. seoul office korea city air-terminal bldg. 606, 159-6 samsung-dong kangnam-ku, seoul, korea phone:82 ( 2 ) 551-1431 fax:82 ( 2 ) 551-1432 taiwan representative office room n1010, 10f, chia-hsin bldg.no.96,sec.2 chung shan n. road, taipei, taiwan r.o.c. phone:886 ( 2 ) 2560-3990 fax:886 ( 2 ) 2560-3991 malaysia regional office suite a202, 2nd floor, west wing, wisma tractors no.7 jalan ss 16/1, 47500 subang jaya, selangor, malaysia phone:60-3-5633-0834 fax:60-3-5633-1179 6 3 - i u u q x x x t i j o e f o h f o d p k q u p q @ f j o e f y i u n m |
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