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c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 a n p e c r e s e r v e s t h e r i g h t t o m a k e c h a n g e s t o i m p r o v e r e l i a b i l i t y o r m a n u f a c t u r a b i l i t y w i t h o u t n o t i c e , a n d a d v i s e c u s t o m e r s t o o b t a i n t h e l a t e s t v e r s i o n o f r e l e v a n t i n f o r m a t i o n t o v e r i f y b e f o r e p l a c i n g o r d e r s . 5 v , 5 a , 1 . 2 m h z s y n c h r o n o u s b o o s t c o n v e r t e r a p w 7 2 7 7 9 2 % e f f i i c e n c y s y n c h r o n o u s b o o s t c o n v e r t e r w i t h 1 0 0 0 - m a o u t p u t c u r r e n t f r o m 1 . 8 v i n p u t s t a b l e w i t h l o w e s r o u t p u t c a p a c i t o r s f i x e d 1 . 2 m h z o s c i l l a t o r f r e q u e n c y l o w e m i c o n v e r t e r ( i n t e g r a t e d a n t i - r i n g i n g f u n c t i o n ) l o w b a t t e r y o u t p u t i n t e g r a t e d p o w e r s a v e m o d e o p e r a t i o n t o i m p r o v e l i g h t l o a d e f f i c i e n c y l o a d d i s c o n n e c t e d d u r i n g s h u t d o w n o u t p u t c u r r e n t - l i m i t p r o t e c t i o n o v e r t e m p e r a t u r e p r o t e c t i o n u n d e r v o l t a g e p r o t e c t i o n e n a b l e / s h u t d o w n f u n c t i o n a v a i l a b l e i n t q f n 4 x 4 - 1 6 a n d d f n 3 x 3 - 1 2 p a c k a g e s lead free and green devices available (rohs compliant) the APW7277 is a synchronous rectifier, fixed switching frequency (1.2mhz typical), and current-mode step-up regulator. the device allows use of small inductors and output capacitors for usb devices. the current-mode control scheme provides fast transient response and good output voltage accuracy. at light loads, the APW7277 will automatically enter in pulse frequency modulation (pfm) operation to reduce the dominant switching losses. during pfm operation, the ic consumes very low quiescent current and maintains high efficiency over the complete load range. the APW7277 also includes current-limit and over- temperature shutdown to prevent damage in the event of an output overload. the APW7277 is available in 4mmx4mm tqfn4x4-16 and dfn3x3-12 packages. f e a t u r e s g e n e r a l d e s c r i p t i o n a p p l i c a t i o n s p o w e r b a n k t a b l e t p o r t a b l e e q u i m e n t p i n c o n f i g u r a t i o n vout nc sw sw p g n d p g n d lbo en psi lbi 9 5 16 ( exposed pad ) pgnd tqfn 4 x 4 - 16 top view p g n d v b a t g n d v o u t v o u t f b 1 4 3 2 8 7 6 10 12 11 13 14 15 ( exposed pad ) pgnd pgnd 1 en 6 gnd 5 fb 4 vout 3 sw 7 sw 8 nc 9 psi 10 vbat 11 nc 12 pgnd 2 exposed pad on bankside dfn 3 x 3 - 12 top view
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 2 a p w 7 2 7 7 o r d e r i n g a n d m a r k i n g i n f o r m a t i o n n o t e : a n p e c l e a d - f r e e p r o d u c t s c o n t a i n m o l d i n g c o m p o u n d s / d i e a t t a c h m a t e r i a l s a n d 1 0 0 % m a t t e t i n p l a t e t e r m i n a t i o n f i n i s h ; w h i c h a r e f u l l y c o m p l i a n t w i t h r o h s . a n p e c l e a d - f r e e p r o d u c t s m e e t o r e x c e e d t h e l e a d - f r e e r e q u i r e m e n t s o f i p c / j e d e c j - s t d - 0 2 0 c f o r m s l c l a s s i f i c a t i o n a t l e a d - f r e e p e a k r e f l o w t e m p e r a t u r e . a n p e c d e f i n e s ? g r e e n ? t o m e a n l e a d - f r e e ( r o h s c o m p l i a n t ) a n d h a l o g e n f r e e ( b r o r c l d o e s n o t e x c e e d 9 0 0 p p m b y w e i g h t i n h o m o g e n e o u s m a t e r i a l a n d t o t a l o f b r a n d c l d o e s n o t e x c e e d 1 5 0 0 p p m b y w e i g h t ) . a b s o l u t e m a x i m u m r a t i n g s ( n o t e 1 ) symbol parameter rating unit v out output and ic supply voltage ( v out to gnd) - 0.3 ~ 7 v v bat converter supply voltage (v bat to gnd) - 0.3 ~ 7 v >30ns - 0.3 ~ 7 v v sw sw to gnd voltage <30ns - 3 ~ 9 v lbi, sync, en, lbo and fb to gnd voltage - 0.3 ~ 7 v pgnd to gnd - 0.3 ~ +0.3 v p d power dissipation - w t j maximum junction temperature 150 o c t stg storage temperature - 65 ~ 150 o c t sdr maximum lead soldering temperature (10 seconds ) 26 0 o c n o t e 1 : s t r e s s e s b e y o n d t h o s e l i s t e d u n d e r " a b s o l u t e m a x i m u m r a t i n g s " m a y c a u s e p e r m a n e n t d a m a g e t o t h e d e v i c e . t h e s e a r e s t r e s s r a t i n g s o n l y a n d f u n c t i o n a l o p e r a t i o n o f t h e d e v i c e a t t h e s e o r a n y o t h e r c o n d i t i o n s b e y o n d t h o s e i n d i c a t e d u n d e r " r e c o m - m e n d e d o p e r a t i n g c o n d i t i o n s " i s n o t i m p l i e d . e x p o s u r e t o a b s o l u t e m a x i m u m r a t i n g c o n d i t i o n s f o r e x t e n d e d p e r i o d s m a y a f f e c t d e v i c e r e l i a b i l i t y . package code qb : tqfn 4 x 4 - 16 qa : dfn 3 x 3 - 12 operating ambient temperature range i : - 40 to 85 o c handling code tr : tape & reel assembly material g : halogen and lead free device voltage code 50 : 5 . 0 v blank : adjustable version apw 72 77 - 50 qb : x xxxx - date code for adjustable voltage version apw 72 77 handling code temperature range package code assembly material voltage code for fixed voltage version apw 72 77 handling code temperature range package code assembly material apw 7277 q b : xxxxx - date code apw 7277 xxxxx 7277 - 50 xxxxx apw 72 77 - 50 qa : x xxxx - date code apw 7277 q a : xxxxx - date code apw 7277 xxxxx 7277 50 xxxxx
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 3 a p w 7 2 7 7 t h e r m a l c h a r a c t e r i s t i c s symbol parameter typical value unit q ja junction - to - ambient resistance in free air (note 2) tqfn4x4 - 16 dfn3x3 - 12 40 50 c/w q jc junction - to - case resistance t qfn 4x4 - 16 dfn3x3 - 12 15 20 c/w note 2 : q ja is measured with the component mounted on a high effective thermal conductivity test board in free air. r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s ( n o t e 3 ) symbol parameter range unit v out output and ic supply voltage ( v out to gnd) 2.7 ~ 5.5 v v bat converter supply voltage (v bat to gnd) 1.8 ~ v out v >30ns - 0.3 ~ v out +0.3 v v sw sw to gnd voltage <30ns - 3 ~ v out +3 v lbi, psi , en, lbo to gnd voltage 0 ~ v out v t a ambient temperature - 40 ~ 85 o c t j junction temperature - 4 0 ~ 125 o c note 3 : refer to the typical application circuit e l e c t r i c a l c h a r a c t e r i s t i c s unless otherwise specified, these specifications apply over v bat =3.3v, v out =5v and t a = 25 o c. APW7277 symbol parameter test conditions min typ max unit supply voltage and current v bat converter supply voltage range 1.8 - 5.5 v v out converter output and ic supply voltage v bat (operation max)=v o /1.1 3.0 - 5.5 v i dd1 no switching quiescent c urrent measured from vout, v fb =0.6v, v out =3.3v - 40 60 m a i vbat - sd v bat quiescent current v en =gnd, v bat =3.3v (isolate vbat & vout) - 0.1 1 m a v uvlo v bat under voltage lockout threshold rising 1.6 1.7 1.8 v reference and output voltage v ref regulated feedback voltage 490 500 510 mv i fb fb input leakage cu rrent - 100 - 100 na over temperature protection hysteresis(note 4) t j falling - 30 - o c
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 4 a p w 7 2 7 7 e l e c t r i c a l c h a r a c t e r i s t i c s unless otherwise specified, these specifications apply over v bat =3.3v, v out =5v and t a = 25 o c. APW7277 symbol parameter test conditions min typ max unit internal power switch f osc switching frequency fb=gnd 900 1200 1500 mhz r n - fet n - fet switch on resistance v out =5v - 55 - m w r p - fet p - fet switch on resistance v out =5v - 55 - m w n - fet curre nt limit v out =5v 4.5 5.5 - a dead - time (note 4) v out =3.3v~5v - 10 - ns d max sw maximum duty cycle 85 95 - % pfm current limit - 700 - ma control stage en input low threshold - - 0.4 v en input high threshold 1 - - v en internal pull low - 5 00 - k w psi input low threshold - - 0.4 v psi psi input high threshold 1 - - v i en en input leakage current v en =1.5v - 3 5 m a i psi psi input leakage current v psi =1.5v - 0.4 1 m a low batter indicator v lbi lbi voltage threshold 490 500 510 mv lbi input hysteresis - 10 - mv lbi input current - 10 100 na lbo output low voltage i lbo =100ua - 400 - w lbo output low current - - 10 ma lbo output leakage current v lbo =5v - 0.01 0.1 m a zero current detect v zc p - fet zero current detect - +100 - ma p rotection v fb under voltage protection - 80 - %v ref over temperature protection (note 4) t j rising - 150 - o c t otp over temperature protection hysteresis (note 4) t j falling - 30 - o c n o t e 4 : g u a r a n t e e d b y d e s i g n , n o t p r o d u c t i o n t e s t e d .
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 5 a p w 7 2 7 7 e n a b l e i n c h a r g e d o n e e n a b l e i n c h a r g e d o n e e n a b l e i n c h a r g e d o n e p i n d e s c r i p t i o n pin name function 1 ,15,16 vout converter output and ic supply voltage. 2 nc no internal connection. 3,4 sw converter switch pin. connect inductor here. 5,6,7 pgnd power ground. connect these pins to gnd. 8 vbat converter supply voltage. 9 lbi low bat tery indicator. 10 psi power saving input. force v psi exceed 1v enter pfm. left v psi below 0.4v enter pwm mode. 11 en device enable control input. force v en exceed 1v enable the device. left v en below 0.4v to shutdown. 12 lbo low battery output. 13 gn d signal ground. connect this pin to pgnd. 14 fb converter feedback input. exposed pad pgnd power ground. tie this pin to the ground island/plane through the lowest impedance connection available.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 6 a p w 7 2 7 7 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s 60 . 0 65 . 0 70 . 0 75 . 0 80 . 0 85 . 0 90 . 0 95 . 0 100 . 0 0 0 . 1 0 . 2 0 . 3 0 . 4 0 . 5 0 . 6 0 . 7 0 . 8 0 . 9 1 io ( a ) e f f i c i e n c y ( % ) efficiency vs io - vbat = 2 . 2 v - vbat = 2 . 7 v vo = 3 . 3 v , cin = 22 uf , co = 66 uf , l = 2 . 2 uh 60 . 0 65 . 0 70 . 0 75 . 0 80 . 0 85 . 0 90 . 0 95 . 0 100 . 0 0 0 . 25 0 . 5 0 . 75 1 1 . 25 1 . 5 1 . 75 2 io ( a ) e f f i c i e n c y ( % ) efficiency vs io - vbat = 3 . 3 v - vbat = 3 . 7 v - vbat = 4 . 2 v vo = 5 v , cin = 22 uf , co = 66 uf , l = 2 . 2 uh 20 25 30 35 40 45 50 2 2 . 5 3 3 . 5 4 4 . 5 5 5 . 5 6 output voltage ( v ) q u i e s c e n t c u r r e n t ( u a ) quiescent current vs output voltage 30 . 0 32 . 0 34 . 0 36 . 0 38 . 0 40 . 0 42 . 0 44 . 0 - 40 - 20 0 20 40 60 80 100 120 140 160 180 temperature ( o c ) q u i e s c e n t c u r r e n t ( u a ) quiescent current vs temperature - 20 0 20 40 60 80 100 120 140 temperature ( o c ) 490 492 . 5 495 497 . 5 500 502 . 5 505 507 . 5 510 512 . 5 515 517 . 5 520 r e f e r e n c e v o l t a g e ( m v ) - 40 reference voltage vs temperature - 40 - 20 0 20 40 60 80 100 120 140 160 temperature ( o c ) f r e q u e n c y ( k h z ) 900 950 1000 1050 1100 1150 1200 1250 1300 frequency vs temperature
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 7 a p w 7 2 7 7 o p e r a t i n g w a v r f o r m s ch 1 : v bat - 2 v / div ch 2 : v out - 2 v / div ch 3 : v sw - 5 v / div ch 4 : i l - 1 a / div time : 100 us / div power on en ch 1 ch 2 ch 3 ch 4 ch 1 : v bat - 2 v / div ch 2 : v out - 2 v / div ch 3 : v sw - 5 v / div ch 4 : i l - 500 ma / div time : 1 us / div normal operation ch 1 ch 2 ch 3 ch 4 power off en ch 1 : v bat - 2 v / div ch 2 : v out - 2 v / div ch 3 : v sw - 5 v / div ch 4 : i l - 1 a / div time : 100 us / div ch 1 ch 2 ch 3 ch 4 ch 1 : v bat - 2 v / div ch 2 : v out - 5 v / div ch 3 : v sw - 5 v / div ch 4 : i l - 1 a / div time : 10 us / div uvp ch 4 ch 3 ch 2 ch 1
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 8 a p w 7 2 7 7 b l o c k d i a g r a m v max control oscillator logic control vbat gnd sw over - temperature protection comp i cmp soft - start error amplifier current sense amplifier current limit slope compensation vout zero - crossing comparator psi shutdown control gate control ? fb en from vout from v max control v ref 0 . 5 v lbo lbi v ref 0 . 5 v
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 9 a p w 7 2 7 7 t y p i c a l a p p l i c a t i o n c i r c u i t s typical application power bank application 2 cell alkaline application vbat sw v out = 5 v en vout fb 11 3 , 4 14 8 1 , 15 , 16 c 1 22 f r 2 56 k v bat r 1 510 k apw 7277 pgnd l 1 2 . 2 h 5 , 6 , 7 psi lbi lbo 13 9 10 12 gnd pwm pfm r 4 100 k r 3 300 k c 2 22 f x 3 r 5 100 k c 3 c 3 is option ( mlcc ) vbat sw v out = 5 v / 2 . 1 a en vout fb 11 3 , 4 14 8 1 , 15 , 16 c 1 22 f r 2 7 . 5 k v bat r 1 68 k apw 7277 pgnd l 1 2 . 2 h 5 , 6 , 7 psi lbi lbo 13 9 10 12 gnd pwm pfm r 4 100 k r 3 300 k c 2 22 f r 5 100 k c 3 c 3 is option r 2 value suggest is less than 7 . 5 k c 4 value suggest is more than 100 f c 4 100 f ( mlcc ) vbat sw v out = 3 . 3 v en vout fb 11 3 , 4 14 8 1 , 15 , 16 c 1 22 f r 2 56 k v bat r 1 510 k apw 7277 pgnd l 1 2 . 2 h 5 , 6 , 7 psi lbi lbo 13 9 10 12 gnd pwm pfm r 4 100 k r 3 300 k r 5 100 k c 3 c 3 is option c 2 22 f x 3 ( mlcc )
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 0 a p w 7 2 7 7 f u n c t i o n d e s c r i p t i o n m a i n c o n t r o l l o o p s t a r t - u p t h e a p w 7 2 7 7 i s a c o n s t a n t f r e q u e n c y , s y n c h r o n o u s r e c t i f i e r , a n d c u r r e n t - m o d e s w i t c h i n g r e g u l a t o r . i n n o r m a l o p e r a t i o n , t h e i n t e r n a l n - c h a n n e l p o w e r m o s f e t i s t u r n e d o n e a c h c y c l e w h e n t h e o s c i l l a t o r s e t s a n i n t e r n a l r s l a t c h a n d t u r n e d o f f w h e n a n i n t e r n a l c o m p a r a t o r ( i c m p ) r e s e t s t h e l a t c h . t h e p e a k i n d u c t o r c u r r e n t w h i c h i c m p r e s e t s t h e r s l a t c h i s c o n t r o l l e d b y t h e v o l t a g e o n t h e c o m p n o d e , w h i c h i s t h e o u t p u t o f t h e e r r o r a m p l i f i e r ( e a m p ) . a n e x t e r n a l r e s i s t i v e d i v i d e r c o n n e c t e d b e t w e e n v o u t a n d g r o u n d a l l o w s t h e e a m p t o r e c e i v e a n o u t p u t f e e d b a c k v o l t a g e v f b a t f b p i n . w h e n t h e l o a d c u r r e n t i n c r e a s e s , i t c a u s e s a s l i g h t l y d e c r e a s e i n v f b r e l a t i v e t o t h e 0 . 5 v r e f e r e n c e , w h i c h i n t u r n c a u s e s t h e c o m p v o l t - a g e t o i n c r e a s e u n t i l t h e a v e r a g e i n d u c t o r c u r r e n t m a t c h e s t h e n e w l o a d c u r r e n t . a s t a r t - u p o s c i l l a t o r c i r c u i t i s i n t e g r a t e d i n t h e a p w 7 2 7 7 . w h e n t h e d e v i c e e n a b l e s , t h e c i r c u i t p u m p s t h e o u t p u t v o l t a g e h i g h . o n c e t h e o u t p u t v o l t a g e r e a c h e s 1 . 6 v ( t y p ) , t h e m a i n d c - d c c i r c u i t r y t u r n s o n a n d b o o s t s t h e o u t p u t v o l t a g e t o t h e f i n a l r e g u l a t i o n v o l t a g e . automatic pfm/pwm mode switch the APW7277 is a fixed frequency pwm peak current modulation control step-up converter. at light loads, the APW7277 will automatically enter in pulse frequency modulation operation to reduce the dominant switching losses. in pfm operation, the inductor current may reach zero or reverse on each pulse. a zero current comparator turns off the p-channel synchronous mosfet, forcing dcm(discontinuous current mode) operation at light load. these controls get very low quiescent current, help to maintain high efficiency over the complete load range. synchronous rectification the internal synchronous rectifier eliminates the need for an external schottky diode, thus reducing cost and board space. during the cycle off-time, the p-fet turns on and shunts the fet body diode. as a result, the syn- chronous rectifier significantly improves efficiency with- out the addition of an external component. conversion efficiency can be as high as 92%. load disconnect driving en to ground places the APW7277 in shutdown mode. when in shutdown, the internal power mosfet turns off, all internal circuitry shuts down and the quies- cent supply current reduces to 1 m a maximum. a special circuit is applied to disconnect the load from the input during shutdown the converter. in conventional syn- chronous rectifier circuits, the back-gate diode of the high- side p-fet is forward biased in shutdown and allows current flowing from the battery to the output. however, this device uses a special circuit, which takes the cath- ode of the back-gate diode of the high-side p-fet and disconnects it from the source when the regulator is shutdown. the benefit of this feature for the system de- sign engineer is that the battery is not depleted during shutdown of the converter. no additional components must be added to the design to make sure that the bat- tery is disconnected from the output of the converter. current-limit protection the APW7277 monitors the inductor current, flowing through the n-fet, and limits the current peak at current- limit level to prevent loads and the APW7277 from dam- ages during overload conditions. over-temperature protection (otp) the over-temperature circuit limits the junction tempera- ture of the APW7277. when the junction temperature ex- ceeds 150 o c, a thermal sensor turns off the both n-fet and p-fet, allowing the devices to cool. the thermal sensor allows the converters to start a soft-start process and regulate the output voltage again after the junction temperature cools by 30 o c. the otp is designed with a 30 o c hysteresis to lower the average junction tempera- ture (t j ) during continuous thermal overload conditions, increasing the lifetime of the device.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 1 a p w 7 2 7 7 a p p l i c a t i o n i n f o r m a t i o n recommended minimum footprint 0 . 014 0 . 079 0 . 024 0 . 026 the via diameter = 0 . 012 hole size = 0 . 008 layout 0 . 0 7 9 unit : inch 0 . 021 tqfn 4 x 4 - 16 0 . 35 2 0 . 6 0 . 65 the via diameter = 0 . 3048 hole size = 0 . 2032 layout 2 unit : mm 0 . 55 tqfn 4 x 4 - 16
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 2 a p w 7 2 7 7 p a c k a g e i n f o r m a t i o n t q f n 4 x 4 - 1 6 a b a1 a3 d pin 1 e pin 1 corner d2 e 2 e l k s y m b o l min. max. 0.80 0.00 0.25 0.35 1.90 2.10 0.05 1.90 a a1 b d d2 e e2 e l millimeters a3 0.20 ref tqfn4x4-16 0.40 0.50 2.10 0.008 ref min. max. inches 0.031 0.000 0.010 0.014 0.075 0.083 0.075 0.016 0.020 0.70 0.083 0.028 0.002 0.65 bsc 0.026 bsc 3.90 4.10 0.154 0.161 3.90 4.10 0.154 0.161 0.20 0.008 k
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 3 a p w 7 2 7 7 p a c k a g e i n f o r m a t i o n dfn3x3-12 d e pin 1 a a 1 a 3 b d 2 pin 1 corner e e 2 k l s y m b o l min . max . 1 . 00 0 . 00 0 . 18 0 . 30 2 . 20 2 . 70 0 . 05 1 . 40 a a 1 b d d 2 e e 2 e l millimeters a 3 0 . 20 ref dfn 3 x 3 - 12 0 . 30 0 . 50 1 . 75 0 . 008 ref min . max . inches 0 . 039 0 . 000 0 . 007 0 . 012 0 . 087 0 . 106 0 . 055 0 . 012 0 . 020 0 . 80 0 . 069 0 . 031 0 . 002 0 . 45 bsc 0 . 018 bsc 0 . 20 0 . 008 k 2 . 90 3 . 10 0 . 114 0 . 122 2 . 90 3 . 10 0 . 114 0 . 122
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 4 a p w 7 2 7 7 application a h t1 c d d w e1 f 330.0 ? 2.00 50 min. 12.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 12.0 ? 0.30 1.75 ? 0.10 5.5 ? 0.05 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 tqfn4x4 - 16 4.0 ? 0.10 8.0 ? 0.10 2.0 ? 0.05 1.5+0.10 - 0.00 1.5 min. 0.6+0.00 - 0.40 4.30 ? 0.20 4.30 ? 0.20 1.30 ? 0.20 application a h t1 c d d w e1 f 330 ? 2.00 50 min. 12.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 12.0 ? 0.30 1.75 ? 0.10 5.5 ? 0.05 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 dfn3x3 - 12 4.0 ? 0.10 8.0 ? 0.10 2.0 ? 0.05 1. 5+0.10 - 0.00 1.5 min. 0.6+0.00 - 0.40 3.30 ? 0.20 3.30 ? 0.20 1.30 ? 0.20 (mm) d e v i c e s p e r u n i t c a r r i e r t a p e & r e e l d i m e n s i o n s package type unit quantity tqfn4x4 - 16 tape & reel 3000 dfn3x3 - 12 tape & reel 3000 a e 1 a b w f t p0 od0 b a0 p2 k0 b 0 section b-b section a-a od1 p1 h t1 a d
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 5 a p w 7 2 7 7 t a p i n g d i r e c t i o n i n f o r m a t i o n user direction of feed d f n 3 x 3 - 1 2 user direction of feed tqfn4x4-16
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 6 a p w 7 2 7 7 c l a s s i f i c a t i o n p r o f i l e
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 7 a p w 7 2 7 7 profile feature sn - pb eutectic assembly pb - free assembly preheat & soak temperature min (t smin ) temperature max (t smax ) time (t smin to t smax ) ( t s ) 100 c 150 c 60 - 120 seconds 150 c 200 c 60 - 1 2 0 seconds average ramp - up rate (t smax to t p ) 3 c/second ma x. 3 c/second max. liquidous temperature ( t l ) time at l iquidous (t l ) 183 c 60 - 150 seconds 217 c 60 - 150 seconds peak package body temperature (t p ) * see classification temp in table 1 see classification temp in table 2 time (t p ) ** within 5 c of the spec ified c lassification t emperature ( t c ) 2 0 ** seconds 3 0 ** seconds average r amp - down rate (t p to t smax ) 6 c/second max. 6 c/second max. time 25 c to p eak t emperature 6 minutes max. 8 minutes max. * tolerance for peak profile temperature (t p ) is defined a s a supplier minimum and a user maximum. ** tolerance for time at peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. c l a s s i f i c a t i o n r e f l o w p r o f i l e s table 2. pb - free process ? classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 350 - 2000 volume mm 3 >2000 <1.6 mm 260 c 260 c 260 c 1.6 mm ? 2.5 mm 260 c 250 c 245 c 3 2.5 mm 250 c 245 c 245 c table 1. snpb eutectic process ? classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 3 350 <2.5 mm 235 c 22 0 c 3 2.5 mm 220 c 220 c r e l i a b i l i t y t e s t p r o g r a m test item method description solderability jesd - 22, b102 5 sec, 245 c holt jesd - 22, a108 1000 hrs, bias @ t j =125 c pct jesd - 22, a102 168 hrs, 100 % rh, 2atm , 121 c tct jesd - 22, a104 500 cycles, - 65 c~150 c hbm mil - std - 883 - 3015.7 vhbm ? 2kv mm jesd - 22, a1 15 vmm ? 200v latch - up jesd 78 10ms, 1 tr ? 100ma
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 2 - s e p , 2 0 1 3 w w w . a n p e c . c o m . t w 1 8 a p w 7 2 7 7 c u s t o m e r s e r v i c e a n p e c e l e c t r o n i c s c o r p . head office : no.6, dusing 1st road, sbip, hsin-chu, taiwan, r.o.c. tel : 886-3-5642000 fax : 886-3-5642050 t a i p e i b r a n c h : 2 f , n o . 1 1 , l a n e 2 1 8 , s e c 2 j h o n g s i n g r d . , s i n d i a n c i t y , t a i p e i c o u n t y 2 3 1 4 6 , t a i w a n t e l : 8 8 6 - 2 - 2 9 1 0 - 3 8 3 8 f a x : 8 8 6 - 2 - 2 9 1 7 - 3 8 3 8

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