15 feature MD1322N 6 7 s f g 7 d d 6 7 - 0 4 5 " 3 5 7 4 5 0 1 7 0 /? 0 ' ' $ p o u s p m # p p u 7 s f g 7 ) j h i 4 j e f 7 s f g 7 0 6 5 7 . b j o 4 x j u d i . 0 4 0 ' ' ) j h i 4 j e f % s j w f s # b o e h b q 3 f g f s f o d f 7 s f g 7? ? 7 c p p u 7 # 7 ( 7 % % 3 $ b n q b n q 0 6 5 4 4 0 $ - 0 $ - 1 ( / % $ - . 7 u i ? 7 5 4 % 2 3 7 4 & s s p s " n q 1 8 . $ p n q ? $ ? $ 7 0 6 5 ? ? ( / %
7 7 0 4 $ g1 l ) [ t / $
0 / ( / % ( / % 0 6 5 1 6 5 ? 7 * / 1 6 5 ? 7 . % / 1 16 6 5 28 32 30 2 3 8 25 4,26 11 ? 14 18 ? 21 / $ / $ 7 0 6 5 7 0 6 5 7 0 6 5 7 0 6 5 / $ 1 ( / % / $ 7 % % 7 % % 7 % % 7 % % / $ 7 ( / $ 7 # ( / % 7 5 4 7 s f g / $ b n q 0 6 5 / $ b n q 4 4 0 $ - 0 $ - ( / % 3 $ 7 d d / $ 7 c p p u 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 4 ) * / % & / ( & / . % / 1 ????? see the marking specification for the indication on the device
step down dc - dc converter power ic output adjustable remote on/off input voltage range 8v to 30v maximum output current 1.8a included main switch mosfet and fly wheel sbd adjustable output from 2.5v to 12v with external resistors high efficiency typ. 92% ( at:vin=8v, vout=5v, iout=0.5a ) fixed frequency 250khz pwm control over current protection under voltage lockout thermal shut down remote on / off block diagram standard connection diagram pin assignment ( ssop32 ) *please consult with us when it is desired to make output adjustable in a range over 5.3v. free datasheet http:///
16 MD1322N 6 item symbol * o q v u w p m u b h f 5 i f s n b m 3 b u j o h t + v o d u j p o u f n q f s b u v s f 5 i f s n b m s f t j t u b o d f t 7 $ $ 5 k k b k d t ratings units 7 3 f n p u f d p o u s p m w p m u b h f 7 3 $ 7 0 $ -
0 $ - j o q v u w p m u b h f 7 0 $ - 7 0 v u q v u d v s s f o u q f b l * 0 6 5 q f b l " 0 v u q v u d v s s f o u b w f * 0 6 5 b w f " . b j o . 0 4 ' & 5 j o q v u w p m u b h f 7 % % 7 1 p x f s e j t t j q b u j p o n b y t 1 % 8 0 q f s b u j o h u f n q f s b u v s f 5 b p q f u p ? 4 u p s b h f u f n q f s b u v s f 5 t u h u p ? ? ? 8 ? 8 * o q v u 0 v u q v u 3 b u j o h t item symbol recommendation units + v o d u j p o u f n q f s b u v s f 5 k u p ? * o q v u w p m u b h f 5 b1 ? u p ? 7 j t u p 7 0 v u q v u w p m u b h f t f u u j o h s b o h f 7 0 t u p 7 * o q v u w p m u b h f 5 b1 ? u p ? 7 j t u p 7 % 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 4 j e f . 0 4 ' & 5 - p x 4 j e f 4 # % $ p o u s p m * $ ; f s p h b u f w p m u b h f e s b j o d v s s f o u 4 u b u j d e s b j o t p v s d f p o t u b u f 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 . b y j n v n s f w f s t f w p m u b h f ' p s x b s e w p m u b h f 3 f w f s t f d v s s f o u 6 o e f s w p m u b h f m p d l p v u u i s f t i p m e t u b s u
6 o e f s w p m u b h f m p d l p v u u i s f t i p m e t u p q
6 o e f s w p m u b h f m p d l p v u i z t u f s f t j t 4 v q q m z 2 v s s f o u item symbol condition min typ max units 7 % 4 4 ? * % 4 4 ? 3 0 / ? 7 4 % ? 7 3 . 7 ' * 3 7 d d ? t u b s u 7 d d ? t u p q 7 d d ? i z t * d d * d d ? p g g 7 3 $ ? p o 7 3 $ ? p g g * 3 $ 7 c p p u 7 s f g 7 u i ? 0 $ - * 4 4 * % 1 n "
7 ( 4 1 7 7 % 4 1 7
7 ( 4 1 7 * % 1 "
7 ( 4 1 7 * 4 1 "
7 ( 4 1 7 * ' 1 " 7 3 1 7 3 . 7 d d1 u p 7 7 d d1 u p 7 7 d d1 u p 7 7 d d1 u p 7 7 d d1 u p 7 7 d d1 7 7 d d1 7 7 d d1 7 7 d d1 u p 7 " n
7 7 7 7 n " 7 7 7 n " n " 7 7 " 7 7 l ) [ 7 " g p t d 5 ? 5 4 % 7 d d1 7 ? # p p u t u s b q w p m u b h f 3 f g f s f o d f w p m u b h f * o j u j b m g s f r v f o d z b d d v s b d z 4 v q q m z d v s s f o u s f n p u f 0 ' ' t u b u f 3 f n p u f d p o u s p m 0 / j o q v u w p m u b h f 3 f n p u f d p o u s p m 0 ' ' j o q v u w p m u b h f 3 f n p u f d p o u s p m t p v s d f d v s s f o u 5 i f s n b m t i v u e p x o u f n q f s b u v s f 7 b n q 7 d d1 u p 7 7 & 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 s f t i p m e p g p w f s d v s s f o u m j n j u 4 p g u t u b s u t p v s d f d v s s f o u absolute maximum ratings unless otherwise specified : ta=25? recommended operating conditions electrical characteristics unless otherwise specified : ta=25? t ( m b t t & q p y z # p b s e n n | 5 i j d l o f t t n n | $ p q q f s 1 b u u f s o 3 b u f ? 5 p q 4 j e f | ? # p u u p n 4 j e f | 5 i p t f x j u i u i s p v h i i p m f t 5 i f n f b t v s f n f o u s f t v m u j o u i f d f o u f s p g d b t f t * o q v u w p m u b h f b u u i f u j n f p g q p x f s t v q q m z p q f s b u j p o t 0 v u q v u w p m u b h f b u u i f u j n f p g q p x f s t v q q m z p q f s b u j p o free datasheet http:///
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