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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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 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 . s y n c h r o n o u s b u c k p w m a n d l i n e a r c o n t r o l l e r p r o v i d e t w o r e g u l a t e d v o l t a g e s - s y n c h r o n o u s r e c t i f i e d b u c k p w m c o n t r o l l e r - l i n e a r c o n t r o l l e r f a s t t r a n s i e n t r e s p o n s e - 0 ~ 8 5 % d u t y r a t i o e x c e l l e n t o u t p u t v o l t a g e r e g u l a t i o n - 0 . 8 v i n t e r n a l r e f e r e n c e - 1 % o v e r l i n e v o l t a g e a n d t e m p e r a t u r e o v e r c u r r e n t p r o t e c t i o n - s e n s e l o w - s i d e m o s f e t ? s r d s ( o n ) u n d e r v o l t a g e l o c k o u t s m a l l c o n v e r t e r s i z e - 2 5 0 k h z f r e e - r u n n i n g o s c i l l a t o r - p r o g r a m m a b l e f r o m 7 0 k h z t o 8 0 0 k h z 1 4 - l e a d s o i c p a c k a g e l e a d f r e e a n d g r e e n d e v i c e s a v a i l a b l e ( r o h s c o m p l i a n t ) 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 t h e a p w 7 0 6 3 i n t e g r a t e s p w m a n d l i n e a r c o n t r o l l e r , a s w e l l a s t h e m o n i t o r i n g a n d p r o t e c t i o n f u n c t i o n s i n t o a s i n g l e p a c k a g e . t h e s y n c h r o n o u s p w m c o n t r o l l e r w h i c h d r i v e s d u a l n - c h a n n e l m o s f e t s , w h i c h p r o v i d e s o n e c o n t r o l l e d p o w e r o u t p u t s w i t h u n d e r - v o l t a g e a n d o v e r - c u r r e n t p r o t e c t i o n s . l i n e a r c o n t r o l l e r d r i v e s a n e x t e r n a l n - c h a n n e l m o s f e t w i t h u n d e r - v o l t a g e p r o t e c t i o n . a p w 7 0 6 3 p r o v i d e s e x c e l l e n t r e g u l a t i o n f o r o u t p u t l o a d v a r i a t i o n . a n i n t e r n a l 0 . 8 v t e m p e r a t u r e - c o m p e n s a t e d r e f - e r e n c e v o l t a g e i s d e s i g n e d t o m e e t t h e v a r i o u s l o w o u t - p u t v o l t a g e a p p l i c a t i o n s . a p w 7 0 6 3 i n c l u d e s a 2 5 0 k h z f r e e - r u n n i n g t r i a n g l e - w a v e o s c i l l a t o r t h a t i s a d j u s t a b l e f r o m 7 0 k h z t o 8 0 0 k h z . a p o w e r - o n - r e s e t ( p o r ) c i r c u i t l i m i t s t h e v c c m i n i m u m o p e a r t i n g s u p p l y v o l t a g e t o a s s u r e t h e c o n t r o l l e r w o r k i n g w e l l . o v e r c u r r e n t p r o t e c t i o n i s a c h i e v e d b y m o n i t o r i n g t h e v o l t a g e d r o p a c r o s s t h e l o w s i d e m o s f e t , e l i m i n a t - i n g t h e n e e d f o r a c u r r e n t s e n s i n g r e s i s t o r a n d s h o r t c i r - c u i t c o n d i t i o n i s d e t e c t e d t h r o u g h t h e f b p i n . t h e o v e r - c u r r e n t p r o t e c t i o n t r i g g e r s t h e s o f t - s t a r t f u n c t i o n u n t i l t h e f a u l t e v e n t s b e r e m o v e d , b u t u n d e r - v o l t a g e p r o t e c t i o n w i l l s h u t d o w n i c d i r e c t l y . p u l l t h e c o m p p i n b e l o w 0 . 4 v w i l l s h u t d o w n t h e c o n t r o l l e r , a n d b o t h g a t e d r i v e s i g n a l s w i l l b e l o w . a p p l i c a t i o n s g r a p h i c c a r d s m e m o r y p o w e r s u p p l i e s d s l o r c a b l e m o d e m s s e t t o p b o x e s l o w - v o l t a g e d i s t r i b u t e d p o w e r s u p p l i e s p i n c o n f i g u r a t i o n 1 2 3 4 5 6 7 10 9 8 11 12 13 14 rt vreg ss fb comp fbl gnd vcc drive lgate pgnd boot ugate phase sop-14 (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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 2 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 d 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 ) . symbol parameter rating unit v cc vcc to gnd 30 v lgate lgate to gnd 30 v drive drive to gnd 30 v ugate ugate to gnd 30 v v boot boot to gnd 30 v phase to gnd 30 v operating junction temperature 0~150 o c t stg storage temperature - 65 ~ 150 o c t sdr maximum lead soldering temperature, 10 seconds 260 o c range symbol parameter min. typ. max. unit v cc supply voltage 8 12 19 v v boot boot voltage - - 26 v 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 ) 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 1 : a b s o l u t e m a x i m u m r a t i n g s a r e t h o s e v a l u e s b e y o n d w h i c h t h e l i f e o f a d e v i c e m a y b e i m p a i r 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 . symbol parameter typical value unit q ja junction to ambient resistance in f ree a ir (note 2) sop - 14 160 o c/w t h e r m a l c h a r a c t e r i s t i c s apw7063 handling code package code apw7063 k : apw7063 xxxxx xxxxx - date code assembly material temperature range package code k : sop-14 operating ambient temperature range c : 0 to 70 o c handling code tr : tape & reel assembly material g : halogen and lead free device note 2: q ja is measured with the component mounted on a high effective thermal conductivity test board in free air.
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 3 apw706 3 symbol parameter test conditions min . typ . max . unit supply current i cc vcc nominal supply ugate and lgate open - 3 - ma power - on - reset rising v cc threshold 7.0 7.2 7.4 v falling v cc threshold 6.6 6.8 7.0 v oscillator free running frequency r t = open, v cc = 12 v 22 0 2 5 0 2 8 0 khz total variation 6k w < r t to gnd < 200k w - 15 - +15 % ramp amplitude r t = open - 1 .7 - v p - p reference v ref reference voltage - 0.80 - v reference voltage tolerance - 1 - +1 % pwm eeeor amplifier dc g ain - 75 - db ugate duty range 0 - 85 % fb input current - - 0.1 m a gate drivers i ugate upper gate source v boot = 12v, v ugate = 6v 650 800 - ma r ugate upper gate sink i ugate = 0.3a - 4 8 w i lgate lower gate source v cc = 12v, v lgate = 6v 550 700 - ma r lgate lower gate sink i lgate = 0.3a - 4 8 w t d dead time - 50 - ns linear regulator reference voltage - 0.8 - v regulation - 2 - % output drive current v drive = 4v 8 10 12 ma protection fb under voltage level - 50 - % fb l under vol tage level - 50 - % ocset source current - 2 50 - m a vreg v reg output voltage accuracy v cc > 12v 5.5 6 6.5 v i out output current capacity v cc = 12v - 20 - ma soft - start and shutdown t ss internal soft - star t interval c ss = 0 m f - 2 - ms i ss soft - star t charge current 8 10 12 m a shutdown threshold comp falling - 0.4 - v shutdown hysteresis - 50 - mv 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 u n l e s s o t h e r s w i s e s p e c i f i e d , t h e s e s p e c i f i c a t i o n s a p p l y o v e r v c c = 1 2 v , v b o o t = 1 2 v , r t = o p e n a n d t a = 0 ~ 7 0 o c . t y p l c a l v a l u e s a r e a t t a = 2 5 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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 4 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 t i m e ( 1 0 m s / d i v ) t i m e ( 1 0 m s / d i v ) t i m e ( 1 0 m s / d i v ) t i m e ( 2 m s / d i v ) p o w e r u p e n a b l e ( c o m p i s l e f t o p e n ) s h u t d o w n ( c o m p i s p u l l e d t o g n d ) p o w e r d o w n v cc (10v/div) ss(5v/div) v out1 (2v/div) v out2 (2v/div) v cc =v in1 =12v v in2 =5v, c ss =0.1 m f v cc (10v/div) ss(5v/div) v out1 (2v/div) v out2 (2v/div) v cc =v in1 =12v v in2 =5v, c ss =0.1 m f v cc =v in1 =12v v in2 =5v, c ss =0.1 m f v out2 (2v/div) v out1 (2v/div) comp(1v/div) ss(5v/div) v cc =v in1 =12v v in2 =5v, c ss =0.1 m f v out2 (2v/div) v out1 (2v/div) comp(1v/div) ss(5v/div)
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 5 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 ( c o n t . ) t i m e ( 5 0 n s / d i v ) t i m e ( 5 0 n s / d i v ) t i m e ( 5 m s / d i v ) t i m e ( 5 m s / d i v ) u g a t e f a l l i n g u g a t e r i s i n g u n d e r v o l t a g e p r o t e c t i o n ( p w m ) u n d e r v o l t a g e p r o t e c t i o n ( l i n e a r ) v cc =2v, v in =12v lgate(10v/div) phase(10v/div) ugate(10v/div) v cc =2v, v in =12v lgate(10v/div) phase(10v/div) ugate(10v/div) v cc =12,v in =12v v out =3.3v, l=2.2mh i l (10a/div) ss(5v/div) v out1 (2v/div) ugate (10v/div) v cc =12v, v in =5v v out2 =2.5v ss(5v/div) v out2 (2v/div) drv(5v/div)
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 6 0 0.2 0.4 0.6 0.8 1 1.2 0 2 4 6 8 10 12 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 2 4 6 8 10 12 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 ( c o n t . ) t i m e ( 2 0 m s / d i v ) t i m e ( 1 0 m s / d i v ) ugate source current (a) u g a t e v o l t a g e ( v ) u g a t e s o u r c e c u r r e n t v s . u g a t e v o l t a g e u g a t e v o l t a g e ( v ) ugate sink current (a) u g a t e s i n k c u r r e n t v s . u g a t e v o l t a g e p w m l o a d t r a n s i e n t l i n e a r l o a d t r a n s i e n t v cc =12v v in =12v v out =3.3v c out =470mfx2 esr=22.5mw l=1.5mh f=400khz v out1 (100mv/div) i out1 (5a/div) v cc =12v v in =12v v out =2.5v c out =470mf v out2 (100mv/div) i out2 (1a/div) v boot =12v v boot =12v
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 7 1 10 100 1000 10000 10 100 1000 0 0.2 0.4 0.6 0.8 1 1.2 0 2 4 6 8 10 12 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 ( c o n t . ) l g a t e v o l t a g e ( v ) lgate sink current (a) l g a t e s i n k c u r r e n t v s . l g a t e v o l t a g e t i m e ( 5 m s / d i v ) s w i t c h i n g f r e q u e n c y ( k h z ) rt resistance (k w ) s w i t c h i n g f r e q u e n c e v s . r t r e s i s t a n c e o v e r c u r r e n t p r o t e c t i o n 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 2 4 6 8 10 12 l g a t e s o u r c e c u r r e n t v s . l g a t e v o l t a g e l g a t e v o l t a g e ( v ) lgate source current (a) v cc =12v v cc =12v i l (10a/div) ss(5v/div) ugate(20v/div) v out1 (2v/div) rt pull up to 12v rt pull down to gnd v cc =12v,v in =12v, v out =2.5v, r ocset =1kw r ds(on) =16mw, l=2.2mh, i out =15a
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 8 0 2 4 6 8 10 0 2 4 6 8 10 12 0 25 50 75 100 125 150 0 0.5 1 1.5 2 2.5 3 3.5 4 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 ( c o n t . ) c o m p v o l t a g e ( v ) sink current ( m a) 0 25 50 75 100 125 150 1 1.5 2 2.5 3 3.5 4 c o m p v o l t a g e ( v ) source current ( m a) c o m p s o u r c e c u r r e n t v s . c o m p v o l t a g e c o m p s i n k c u r r e n t v s . c o m p v o l t a g e 0 10 20 30 40 0 2 4 6 8 10 12 d r i v e v o l t a g e ( v ) d r i v e v o l t a g e ( v ) sink current (ma) source current (ma) d r i v e s i n k c u r r e n t v s . d r i v e v o l t a g e d r i v e s o u r c e c u r r e n t v s . d r i v e v o l t a g e v cc =12v v cc =12v v cc =12v v cc =12v
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 9 5.5 5.75 6 6.25 6.5 0 5 10 15 20 0.79 0.792 0.794 0.796 0.798 0.8 -40 -20 0 20 40 60 80 100 120 0 0.5 1 1.5 2 2.5 3 3.5 4 0 2 4 6 8 10 12 4 4.5 5 5.5 6 0 2 4 6 8 10 12 14 16 18 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 ( c o n t . ) s u p p l y v o l t a g e ( v ) l o a d c u r r e n t ( m a ) vreg voltage (v) v r e g v o l t a g e v s . s u p p l y v o l t a g e v r e g v o l t a g e v s . l o a d c u r r e n t s u p p l y v o l t a g e ( v ) supply current (ma) t e m p e r a t u r e ( c ) reference voltage (v) s u p p l y c u r r e n t v s . s u p p l y v o l t a g e r e f e r e n c e v o l t a g e v s . t e m p e r a t u r e vreg voltage (v) v cc =12v i cc i cc(shdn)
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 0 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 1 . b o o t - s t r a p - u s e i n t e r n a l r e g u l a t o r 2 . b o o t - s t r a p - u s e e x t e r n a l p o w e r vin vin 7 4 2 8 5 6 1 3 1 2 3 q1 apm3055l + c10 470 m f 6.3v 25mr 7 4 2 8 5 6 1 3 r1 nc + 1 2 3 4 5 6 7 8 9 10 11 12 13 14 u1 apw7063 r6 620r + + + r3 nc + + shdn 12v 3v3 5v 2.5v 12v r14 0r c11 4.7 m f r13 0r c3 470 m f 6.3v 25mr r5 3.125kf 1% r7 1kf 1% c19 220p f c17 56p f c16 0.01 m f r11 20k c7 0.1 m f c1 1 m f r9 0r c12 0.1 m f c2 1 m f r2 2r2 c8 1 m f d1 1n4148 r4 0r d2 sr24 2a/40v q3 apm4220 rt ss vreg fb comp gnd phase ugate boot pgnd lgate vcc drive fbl q2 apm4220 l2 2.2 m h r8 nc c18 nc r10 2.32kf 1% r12 1.07kf 1% c13 1000 m f 6.3v 30mr c14 1000 m f 6.3v 30mr c15 4.7 m f c4 4.7 m f c5 470 m f 16v 25mr c9 470 m f 16v 25mr l1 1 m h c6 470 m f 16v 25mr 7 4 2 8 5 6 1 3 7 4 2 8 6 1 3 2.5v + 12v vin 12v 3v3 5v 1 2 3 4 5 6 7 8 9 10 11 12 13 14 u1 apw7063 1 2 3 r3 nc r2 nc + + + + + c9 470 m f 6.3v 25mr + shdn vin c10 4.7 m f c2 470 m f 6.3v 25mr q1 apm3055l r14 0r r13 0r r5 3.125kf 1% r8 1kf 1% c1 1 m f c4 0.1 m f c19 220pf c16 56pf c15 0.01 m f r11 20k r6 820r rt ss vreg fb comp gnd phase ugate boot pgnd lgate vcc drive fbl d1 1n4148 r1 2r2 c8 1 m f r4 0r c11 0.1 m f r9 0r d2 sr24 2a/40v q3 apm422 0 q2 apm4220 l2 2.2 m h c3 4.7 m f 5 c5 470 m f 16v 25mr c6 470 m f 16v 25mr l1 1 m h c7 470 m f 16v 25mr r12 1.07kf 1% r10 2.32kf 1% c17 0.1 m f r7 100r c12 1000 m f 6.3v 30mr c14 4.7 m f c13 1000 m f 6.3v 30mr
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 1 b l o c k d i a g r a m gate control soft start and fault logic power-on reset phase lgate fb gnd vcc ugate v ref 50%v ref o.c.p comparator error amp pwm comparator u.v.p comparator triangle wave : 2 comp vcc boot vcc i ocset 250 m a vcc i ss 10 m a 5.8v pgnd v ref 50%v ref : 2 fbl vcc drive regulator ss vcc vreg oscillator rt
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 2 t so ft - start = t1 - t0 = 0.8v i c ss ss t3 = t2 + 0.8v i c ss ss v r e g ( p i n 3 ) a n i n t e r n a l r e g u l a t o r w i l l s u p p l y 6 v f o r b o o s t v o l t a g e , a 1 m f c a p a c i t o r t o g n d i s r e c o m m e n d e d f o r s t a b i l i t y . i f t h e v r e g v o l t a g e h a s v a r i a t i o n b y o t h e r i n t e r f e r e n c e , t h e i c c a n n o t w o r k n o r m a l l y . w h e n t h e v c c < 8 v , d o n ? t u s e t h e v r e g f o r b o o s t v o l t a g e . f b ( p i n 4 ) f b p i n i s t h e i n v e r t i n g i n p u t o f t h e e r r o r a m p l i f i e r , a n d i t r e c e i v e s t h e f e e d b a c k v o l t a g e f r o m 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 a c r o s s t h e o u t p u t ( v o u t ) . t h e o u t p u t v o l t a g e i s d e - t e r m i n e d b y : f u n c t i o n p i n d e s c r i p t i o n r t ( p i n 1 ) t h i s p i n c a n a d j u s t t h e s w i t c h i n g f r e q u e n c y . c o n n e c t a r e s i s t o r f r o m r t t o v c c f o r d e c r e a s i n g t h e s w i t c h i n g f r e q u e n c y . c o n v e r s e l y , c o n n e c t a r e s i s t o r f r o m r t t o g n d f o r i n c r e a s i n g t h e s w i t c h i n g f r e q u e n c y ( s e e t y p i c a l c h a r a c t e r i s t i c s ) . s s ( p i n 2 ) c o n n e c t a c a p a c i t o r f r o m t h i s p i n t o g n d t o s e t t h e s o f t - s t a r t i n t e r v a l o f t h e c o n v e r t e r . a n i n t e r n a l 1 0 m a c u r r e n t s o u r c e c h a r g e s t h i s c a p a c i t o r t o 5 . 2 v . t h e s s v o l t a g e c l a m p s t h e r e f e r e n c e v o l t a g e t o t h e s s v o l t a g e , a n d f i g - u r e 1 s h o w s t h e s o f t - s t a r t i n t e r v a l . a t t 0 , t h e i n t e r n a l s o u r c e c u r r e n t s t a r t s t o c h a r g e t h e c a p a c i t o r a n d t h e i n t e r n a l 0 . 8 v r e f e r e n c e a l s o s t a r t s t o r i s e a n d f o l l o w s t h e s s . u n t i l t h e i n t e r n a l r e f e r e n c e r e a c h e s t o 0 . 8 v a t t 2 , t h e s o f t - s t a r t i n - t e r v a l i s c o m p l e t e d . t h i s m e t h o d p r o v i d e s a r a p i d a n d c o n t r o l l e d o u t p u t v o l t a g e r i s e . t h e w a y o f t h e s o f t - s t a r t o f t h e o u t p u t 2 i s t h e s a m e a s t h e o u t p u t 1 , b u t i t s t a r t s f r o m t h e s s a t 2 . 2 v t o 3 . 0 v . t h e a p w 7 0 6 3 a l s o p r o v i d e s t h e i n t e r n a l s o f t - s t a r t w h i c h i s f i x e d t o 2 m s ( t 0 t o t 1 ) . i f t h e e x t e r n a l s o f t - s t a r t i n t e r v a l i s s l o w e r t h a n t h e i n t e r n a l s o f t - s t a r t i n t e r v a l ( c s s < 0 . 0 2 5 m f ) o r n o e x t e r n a l c a p a c i t o r , t h e s o f t - s t a r t w i l l f o l l o w t h e i n t e r n a l s o f t - s t a r t . ? ? ? ? + = gnd out out r r 1 0.8v v w h e r e r o u t i s t h e r e s i s t o r c o n n e c t e d f r o m v o u t t o f b , a n d r g n d i s t h e r e s i s t o r c o n n e c t e d f r o m f b t o g n d . w h e n t h e f b v o l t a g e i s u n d e r 5 0 % v r e f , i t w i l l c a u s e t h e u n d e r v o l t a g e p r o t e c t i o n a n d s h u t d o w n t h e d e v i c e . r e - m o v e t h e c o n d i t i o n a n d r e s t a r t t h e v c c v o l t a g e o r p u l l t h e c o m p f r o m l o w t o h i g h o n c e w i l l e n a b l e t h e d e v i c e a g a i n . f i g u r e 1 . s o f t - s t a r t i n t e r v a l w h e r e : c s s = e x t e r n a l s o f t - s t a r t c a p a c i t o r i s s = s o f t - s t a r t c u r r e n t = 1 0 m a t 2 = v 2.2 i c ss ss c o m p ( p i n 5 ) t h i s p i n 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 . a d d a n e x t e r - n a l r e s i s t o r a n d c a p a c i t o r n e t w o r k t o p r o v i d e t h e l o o p c o m p e n s a t i o n f o r t h e p w m c o n v e r t e r ( s e e a p p l i c a - t i o n i n f o r m a t i o n ) . time voltage t 1 t 2 t 0 v soft-start v out2 t 3 v out1 fb fbl
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 3 f u n c t i o n p i n d e s c r i p t i o n ( c o n t . ) c o m p ( p i n 5 ) ( c o n t . ) p u l l t h i s p i n b e l o w 0 . 4 v w i l l s h u t d o w n t h e c o n t r o l l e r , f o r c - i n g t h e u g a t e a n d l g a t e s i g n a l s t o b e 0 v . a s o f t - s t a r t c y c l e w i l l b e i n i t i a t e d u p o n t h e r e l e a s e o f t h i s p i n . g n d ( p i n 6 ) s i g n a l g r o u n d f o r t h e i c . p h a s e ( p i n 7 ) a r e s i s t o r ( r o c s e t ) i s c o n n e c t e d b e t w e e n t h i s p i n a n d t h e d r a i n o f t h e l o w - s i d e m o s f e t w i l l d e t e r m i n e t h e o v e r c u r r e n t l i m i t . a n i n t e r n a l 2 5 0 m a c u r r e n t s o u r c e w i l l f l o w t h r o u g h t h i s r e s i s t o r , c r e a t i n g a v o l t a g e d r o p . t h i s v o l t - a g e w i l l b e c o m p a r e d w i t h t h e v o l t a g e a c r o s s t h e l o w - s i d e m o s f e t . t h e t h r e s h o l d o f t h e o v e r c u r r e n t l i m i t i s t h e r e f o r e g i v e n b y : 250ua r i r ds(on) limit ocset = a n o v e r c u r r e n t c o n d i t i o n w i l l c y c l e t h e s o f t - s t a r t f u n c t i o n u n t i l t h e o v e r c u r r e n t c o n d i t i o n i s r e m o v e d . b e c a u s e o f t h e c o m p a r a t o r d e l a y t i m e , t h e o n t i m e o f t h e l o w - s i d e m o s f e t m u s t b e l o n g e r t h a n 8 0 0 n s t o h a v e t h e o v e r c u r r e n t p r o t e c t i o n w o r k . u g a t e ( p i n 8 ) t h i s p i n p r o v i d e s g a t e d r i v e f o r t h e h i g h - s i d e m o s f e t . b o o t ( p i n 9 ) t h i s p i n p r o v i d e s t h e s u p p l y v o l t a g e t o t h e h i g h s i d e m o s f e t d r i v e r . f o r d r i v i n g l o g i c l e v e l n - c h a n n e l m o s e f t , a b o o t s t r a p c i r c u i t c a n b e u s e d t o c r e a t e a s u i t a b l e d r i v e r ? s s u p p l y . p g n d ( p i n 1 0 ) p o w e r g r o u n d f o r t h e g a t e d i v e r . c o n n e c t t h e l o w e r m o s f e t s o u r c e t o t h i s p i n . l g a t e ( p i n 1 1 ) t h i s p i n p r o v i d e s t h e g a t e d r i v e s i g n a l f o r t h e l o w s i d e m o s f e t . v c c ( p i n 1 2 ) t h i s p i n p r o v i d e s a s u p p l y v o l t a g e f o r t h e d e v i c e . w h e n v c c i s a b o v e t h e r i s i n g t h r e s h o l d 4 . 2 v , i t t u r n s o n t h e d e v i c e i s t u r n e d o n . c o n v e r s e l y , w h e n v c c i s b e l o w t h e f a l l i n g t h r e s h o l d 3 . 9 v , t h e d e v i c e i s t u r n e d o f f . a 1 m f d e c o u p l i n g c a p a c i t o r t o g n d i s r e c o m m e n d e d . d r i v e ( p i n 1 3 ) c o n n e c t t h i s p i n t o t h e g a t e o f a n e x t e r n a l n - c h a n n e l m o s f e t t r a n s i s t o r . t h i s p i n p r o v i d e s t h e g a t e v o l t a g e f o r t h e l i n e a r r e g u l a t o r p a s s t r a n s i s t o r . i t a l s o p r o v i d e s a m e a n s o f c o m p e n s a t i n g t h e l i n e a r c o n t r o l l e r f o r a p p l i c a - t i o n s w h e r e t h e u s e r n e e d s t o o p t i m i z e t h e r e g u l a t o r t r a n - s i e n t r e s p o n s e . f b l ( p i n 1 4 ) c o n n e c t t h i s p i n t o t h e o u t p u t o f t h e l i n e a r r e g u l a t o r v i a a p r o p e r s i z e d r e s i s t o r d i v i d e r . t h e v o l t a g e a t t h i s p i n i s r e g u l a t e d t o 0 . 8 v a n d t h e o u t p u t v o l t a g e i s d e t e r m i n e d u s i n g t h e f o l l o w i n g e q u a t i o n : ? ? ? ? + = gnd out out r r 1 0.8v v w h e r e r o u t i s t h e r e s i s t o r c o n n e c t e d f r o m v o u t t o f b l , a n d r g n d i s t h e r e s i s t o r c o n n e c t e d f r o m f b l t o g n d . t h i s p i n a l s o m o n i t o r e s t h e u n d e r - v o l t a g e e v e n t s . i f t h e l i n e a r r e g u l a t o r i s n o t u s e d , t i e t h e f b l t o v r e g .
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 4 a p p l i c a t i o n i n f o r m a t i o n c o m p o n e n t s e l e c t i o n g u i d e l i n e s o u t p u t c a p a c i t o r s e l e c t i o n t h e s e l e c t i o n o f c o u t i s d e t e r m i n e d b y t h e r e q u i r e d e f f e c - t i v e s e r i e s r e s i s t a n c e ( e s r ) a n d v o l t a g e r a t i n g r a t h e r t h a n t h e a c t u a l c a p a c i t a n c e r e q u i r e m e n t . t h e r e f o r e , s e l e c t i n g h i g h p e r f o r m a n c e l o w e s r c a p a c i t o r s i s i n t e n d e d f o r s w i t c h i n g r e g u l a t o r a p p l i c a t i o n s . i n s o m e a p p l i c a t i o n s , m u l t i p l e c a p a c i t o r s h a v e t o b e p a r a l l e d t o a c h i e v e t h e d e s i r e d e s r v a l u e . i f t a n t a l u m c a p a c i t o r s a r e u s e d , m a k e s u r e t h e y a r e s u r g e t e s t e d b y t h e m a n u f a c t u r e s . i f i n d o u b t , c o n s u l t t h e c a p a c i t o r s m a n u f a c t u r e r . i n p u t c a p a c i t o r s e l e c t i o n t h e i n p u t c a p a c i t o r i s c h o s e n b a s e d o n t h e v o l t a g e r a t i n g a n d t h e r m s c u r r e n t r a t i n g . f o r r e l i a b l e o p e r a t i o n , s e l e c t t h e c a p a c i t o r v o l t a g e r a t i n g t o b e a t l e a s t 1 . 3 t i m e s h i g h e r t h a n t h e m a x i m u m i n p u t v o l t a g e . t h e m a x i m u m r m s c u r r e n t r a t i n g r e q u i r e m e n t i s a p p r o x i m a t e l y i o u t / 2 w h e r e i o u t i s t h e l o a d c u r r e n t . d u r i n g p o w e r u p , t h e i n p u t c a p a c i - t o r s h a v e t o h a n d l e l a r g e a m o u n t o f s u r g e c u r r e n t . i f t a n t a - l u m c a p a c i t o r s a r e u s e d , m a k e s u r e t h e y a r e s u r g e t e s t e d b y t h e m a n u f a c t u r e s . i f i n d o u b t , c o n s u l t t h e c a p a c i t o r s m a n u f a c t u r e r . f o r h i g h f r e q u e n c y d e c o u p l i n g , a c e r a m i c c a p a c i t o r b e - t w e e n 0 . 1 m f t o 1 m f c a n c o n n e c t b e t w e e n v c c a n d g r o u n d p i n . i n d u c t o r s e l e c t i o n t h e i n d u c t a n c e o f t h e i n d u c t o r i s d e t e r m i n e d b y t h e o u t - p u t v o l t a g e r e q u i r e m e n t . t h e l a r g e r t h e i n d u c t a n c e , t h e l o w e r t h e i n d u c t o r ? s c u r r e n t r i p p l e . t h i s w i l l t r a n s l a t e i n t o l o w e r o u t p u t r i p p l e v o l t a g e . t h e r i p p l e c u r r e n t a n d r i p p l e v o l t a g e c a n b e a p p r o x i m a t e d b y : v i n - v o u t f s x l v o u t v i n x i r i p p l e = w h e r e f s i s t h e s w i t c h i n g f r e q u e n c y o f t h e r e g u l a t o r . d v o u t = i r i p p l e x e s r a t r a d e o f f e x i s t s b e t w e e n t h e i n d u c t o r ? s r i p p l e c u r r e n t a n d t h e r e g u l a t o r l o a d t r a n s i e n t r e s p o n s e t i m e . a s m a l l e r i n - d u c t o r w i l l g i v e t h e r e g u l a t o r a f a s t e r l o a d t r a n s i e n t r e - s p o n s e a t t h e e x p e n s e o f h i g h e r r i p p l e c u r r e n t a n d v i c e v e r s a . t h e m a x i m u m r i p p l e c u r r e n t o c c u r s a t t h e m a x i - m u m i n p u t v o l t a g e . a g o o d s t a r t i n g p o i n t i s t o c h o o s e t h e r i p p l e c u r r e n t t o b e a p p r o x i m a t e l y 3 0 % o f t h e m a x i m u m o u t p u t c u r r e n t . o n c e t h e i n d u c t a n c e v a l u e h a s b e e n c h o s e n , s e l e c t i n g a n i n d u c t o r i s c a p a b l e o f c a r r y i n g t h e r e q u i r e d p e a k c u r - r e n t w i t h o u t g o i n g i n t o s a t u r a t i o n . i n s o m e t y p e s o f i n d u c t o r s , e s p e c i a l l y c o r e t h a t i s m a k e o f f e r r i t e , t h e r i p p l e c u r r e n t w i l l i n c r e a s e a b r u p t l y w h e n i t s a t u r a t e s . t h i s w i l l r e s u l t i n a l a r g e r o u t p u t r i p p l e v o l t a g e . c o m p e n s a t i o n t h e o u t p u t l c f i l t e r o f a s t e p d o w n c o n v e r t e r i n t r o d u c e s a d o u b l e p o l e , w h i c h c o n t r i b u t e s w i t h ? 4 0 d b / d e c a d e g a i n s l o p e a n d 1 8 0 d e g r e e s p h a s e s h i f t i n t h e c o n t r o l l o o p . a c o m p e n s a t i o n n e t w o r k b e t w e e n c o m p p i n a n d g r o u n d s h o u l d b e a d d e d . t h e s i m p l e s t l o o p c o m p e n s a t i o n n e t - w o r k i s s h o w n i n f i g u r e 5 . t h e o u t p u t l c f i l t e r c o n s i s t s o f t h e o u t p u t i n d u c t o r a n d o u t p u t c a p a c i t o r s . t h e t r a n s f e r f u n c t i o n o f t h e l c f i l t e r i s g i v e n b y : g a i n l c = 1 c esr s c l s c esr s 1 out out 2 out + + + t h e p o l e s a n d z e r o o f t h i s t r a n s f e r f u n c t i o n a r e : f l c = out c l p 2 1 f e s r = out c esr p 2 1 t h e f l c i s t h e d o u b l e p o l e s o f t h e l c f i l t e r , a n d f e s r i s t h e z e r o i n t r o d u c e d b y t h e e s r o f t h e o u t p u t c a p a c i t o r . l c out esr output phase f i g u r e 2 . t h e o u t p u t l c f i l t e r
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 5 f esr f lc frequency -40db/dec -20db/dec gain a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) f i g u r e 3 . t h e l c f i l t e r g a i n & f r e q u e n c y t h e p w m m o d u l a t o r i s s h o w n i n f i g u r e 4 . t h e i n p u t 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 a n d t h e o u t p u t i s t h e p h a s e n o d e . t h e t r a n s f e r f u n c t i o n o f t h e p w m m o d u l a t o r i s g i v e n b y : g a i n p w m = v osc pwm comparator driver driver output of error amplifier v in phase f i g u r e 4 . t h e p w m m o d u l a t o r t h e c o m p e n s a t i o n c i r c u i t i s s h o w n i n f i g u r e 5 . r 3 a n d c 1 i n t r o d u c e a z e r o a n d c 2 i n t r o d u c e s a p o l e t o r e d u c e t h e s w i t c h i n g n o i s e . t h e t r a n s f e r f u n c t i o n o f e r r o r a m p l i - f i e r i s g i v e n b y : g a i n a m p = ? ? ? ? ? ? + sc2 1 // sc1 1 r3 gm = = t h e p o l e a n d z e r o o f t h e c o m p e n s a t i o n n e t w o r k a r e : f p = f z = c o m p e n s a t i o n ( c o n t . ) osc in v v d zo gm c2 c2 c1 r3 c2 c1 s s c1 r3 1 s gm + + + ? ? ? ? ? ? ? ? c2 c1 c2 c1 r3 2 1 + p c1 r3 2 1 p c2 v out r2 r1 r3 error amplifier v ref c1 comp fb - + f i g u r e 5 . c o m p e n s a t i o n n e t w o r k t h e c l o s e d l o o p g a i n o f t h e c o n v e r t e r c a n b e w r i t t e n a s : g a i n l c x g a i n p w m x x g a i n a m p r2 r1 r2 + f i g u r e 6 s h o w s t h e c o n v e r t e r g a i n a n d t h e f o l l o w i n g g u i d e - l i n e s w i l l h e l p t o d e s i g n t h e c o m p e n s a t i o n n e t w o r k . 1 . s e l e c t t h e d e s i r e d z e r o c r o s s o v e r f r e q u e n c y f o : ( 1 / 5 ~ 1 / 1 0 ) x f s > f o > f z u s e t h e f o l l o w i n g e q u a t i o n t o c a l c u l a t e r 3 : gm f r2 r2 r1 2 f f v v r3 o lc esr in osc + d = w h e r e : g m = 9 0 0 m a / v 2 . p l a c e t h e z e r o f z b e f o r e t h e l c f i l t e r d o u b l e p o l e s f l c : f z = 0 . 7 5 x f l c c a l c u l a t e t h e c 1 b y t h e e q u a t i o n : lc f 0.75 r1 2 1 c1 p = 3 . s e t t h e p o l e a t t h e h a l f t h e s w i t c h i n g f r e q u e n c y : f p = 0 . 5 x f s
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 6 a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) 2 2 1 f c1 r3 c1 c2 s - p = f lc f esr f p =0.5f s f z =0.75f lc f o frequency pwm & filter gain compensation gain converter gain osc in ?v v log 20 r3) log(gm 20 gain c o m p e n s a t i o n ( c o n t . ) f i g u r e 6 . c o n v e r t e r g a i n & f r e q u e n c y c a l c u l a t e t h e c 2 b y t h e e q u a t i o n : m o s f e t s e l e c t i o n t h e s e l e c t i o n o f t h e n - c h a n n e l p o w e r m o s f e t s i s d e t e r - m i n e d b y t h e r d s ( o n ) , r e v e r s e t r a n s f e r c a p a c i t a n c e ( c r s s ) , a n d m a x i m u m o u t p u t c u r r e n t r e q u i r e m e n t . t h e l o s s e s i n t h e m o s f e t s h a v e t w o c o m p o n e n t s : c o n d u c t i o n l o s s a n d t r a n s i t i o n l o s s . f o r t h e u p p e r a n d l o w e r m o s f e t , t h e l o s s e s a r e a p p r o x i m a t e l y g i v e n b y t h e f o l l o w i n g e q u a t i o n s : p u p p e r = i o u t ( 1 + t c ) ( r d s ( o n ) ) d + ( 0 . 5 ) ( i o u t ) ( v i n ) ( t s w ) f s p l o w e r = i o u t ( 1 + t c ) ( r d s ( o n ) ) ( 1 - d ) w h e r e i o u t i s t h e l o a d c u r r e n t t c i s t h e t e m p e r a t u r e d e p e n d e n c y o f r d s ( o n ) f s i s t h e s w i t c h i n g f r e q u e n c y t s w i s t h e s w i t c h i n g i n t e r v a l d i s t h e d u t y c y c l e n o t e t h a t b o t h m o s f e t s h a v e c o n d u c t i o n l o s s e s w h i l e t h e u p p e r m o s f e t i n c l u d e a n a d d i t i o n a l t r a n s i t i o n l o s s . t h e s w i t c h i n g i n t e r n a l , t s w , i s t h e f u n c t i o n o f t h e r e v e r s e t r a n s f e r c a p a c i t a n c e c r s s . f i g u r e 7 i l l u s t r a t e s t h e s w i t c h - i n g w a v e f o r m i n t e r n a l o f t h e m o s f e t . t h e ( 1 + t c ) t e r m f a c t o r s i n t h e t e m p e r a t u r e d e p e n d e n c y o f t h e r d s ( o n ) a n d c a n b e e x t r a c t e d f r o m t h e ? r d s ( o n ) v s t e m - p e r a t u r e ? c u r v e o f t h e p o w e r m o s f e t . l i n e a r r e g u l a t o r i n p u t / o u t p u t c a p a c i t o r s e l e c t i o n t h e i n p u t c a p a c i t o r i s c h o s e n b a s e d o n i t s v o l t a g e r a t i n g . u n d e r l o a d t r a n s i e n t c o n d i t i o n , t h e i n p u t c a p a c i t o r w i l l m o m e n t a r i l y s u p p l y t h e r e q u i r e d t r a n s i e n t c u r r e n t . a 1 m f c e r a m i c c a p a c i t o r w i l l b e s u f f i c i e n t i n m o s t a p p l i c a t i o n s . t h e o u t p u t c a p a c i t o r f o r t h e l i n e a r r e g u l a t o r i s c h o s e n t o m i n i m i z e a n y d r o o p d u r i n g l o a d t r a n s i e n t c o n d i t i o n . i n a d d i t i o n , t h e c a p a c i t o r i s c h o s e n b a s e d o n i t s v o l t a g e r a t i n g . l i n e a r r e g u l a t o r m o s f e t s e l e c t i o n t h e m a x i m u m d r i v e v o l t a g e i s d e t e r m i n e d b y t h e v c c . s i n c e t h i s p i n d r i v e s a n e x t e r n a l n - c h a n n e l m o s f e t , t h e m a x i m u m o u t p u t v o l t a g e o f t h e l i n e a r r e g u l a t o r i s d e p e n - d e n t u p o n t h e v g s . p d i s s = i o u t * ( v i n - v o u t 2 ) a n o t h e r c r i t e r i a i s i t s e f f i c i e n c y o f h e a t r e m o v a l . t h e p o w e r d i s s i p a t e d b y t h e m o s f e t i s g i v e n b y : v o u t 2 m a x = v c c - v g s w h e r e i o u t i s t h e m a x i m u m l o a d c u r r e n t v o u t 2 i s t h e n o m i n a l o u t p u t v o l t a g e i n s o m e a p p l i c a t i o n s , h e a t s i n k m a y b e r e q u i r e d t o h e l p m a i n t a i n t h e j u n c t i o n t e m p e r a t u r e o f t h e m o s f e t b e l o w i t s m a x i m u m r a t i n g . l a y o u t c o n s i d e r a t i o n i n h i g h p o w e r s w i t c h i n g r e g u l a t o r , a c o r r e c t l a y o u t i s i m - p o r t a n t t o e n s u r e p r o p e r o p e r a t i o n o f t h e r e g u l a t o r . i n g e n e r a l , i n t e r c o n n e c t i n g i m p e d a n c e s s h o u l d b e m i n i - m i z e d b y u s i n g s h o r t a n d w i d e p r i n t e d c i r c u i t t r a c e s . s i g - n a l a n d p o w e r g r o u n d s a r e t o b e k e p t s e p a r a t e a n d f i n a l l y c o m b i n e d u s i n g g r o u n d p l a n e c o n s t r u c t i o n o r s i n g l e p o i n t g r o u n d i n g . f i g u r e 8 i l l u s t r a t e s t h e l a y o u t , w i t h b o l d l i n e s i n d i c a t i n g h i g h c u r r e n t p a t h s . c o m p o n e n t s a l o n g t h e b o l d l i n e s s h o u l d b e p l a c e d c l o s e t o g e t h e r . b e l o w i s a c h e c k - l i s t f o r y o u r l a y o u t : k e e p t h e s w i t c h i n g n o d e s ( u g a t e , l g a t e , a n d p h a s e ) a w a y f r o m s e n s i t i v e s m a l l s i g n a l n o d e s s i n c e t h e s e n o d e s a r e f a s t m o v i n g s i g n a l s . t h e r e f o r e , k e e p t r a c e s t o t h e s e n o d e s a s s h o r t a s p o s s i b l e . t h e g r o u n d r e t u r n o f c i n m u s t r e t u r n t o t h e c o m b i n e c o u t ( - ) t e r m i n a l .
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 7 a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) voltage across drain and source of mosfet time v ds t sw l a y o u t c o n s i d e r a t i o n ( c o n t . ) c a p a c i t o r c b o o t s h o u l d b e c o n n e c t e d a s c l o s e t o t h e b o o t a n d p h a s e p i n s a s p o s s i b l e . f i g u r e 7 . s w i t c h i n g w a v e f o r m a c r o s s m o s f e t v in v out q1 l1 12 8 9 u 1 c out c in + + apw7063 ugate lgate phase q2 pgnd 11 l o a d f i g u r e 8 . r e c o m m e n d e d l a y o u t d i a g r a m
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 8 p a c k a g e i n f o r m a t i o n s o p - 1 4 s y m b o l min. max. 1.75 0.10 0.17 0.25 0.25 a a1 c d e e1 e h l millimeters b 0.31 0.51 sop-14 0.25 0.50 0.40 1.27 min. max. inches 0.069 0.004 0.012 0.020 0.007 0.010 0.010 0.020 0.016 0.050 0 0.010 1.27 bsc 0.050 bsc a2 1.25 0.049 0 8 0 8 l view a 0 . 2 5 seating plane gauge plane note: 1. follow jedec ms-012 ab. 2. dimension ? d ? does not include mold flash, protrusions or gate burrs. mold flash, protrusion or gate burrs shall not exceed 6 mil per side. 3. dimension ? e ? does not include inter-lead flash or protrusions. inter-lead flash and protrusions shall not exceed 10 mil per side. 3.80 5.80 8.55 4.00 6.20 8.75 0.337 0.344 0.228 0.244 0.150 0.157 d e b e 1 e see view a c h x 4 5 a a 1 a 2
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 1 9 application a h t1 c d d w e1 f 330.0 ? 2.00 50 min. 16.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 16.0 ? 0.30 1.75 ? 0.10 7.50 ? 0.10 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 sop - 14 4.0 ? 0.10 8.0 ? 0.10 2.0 ? 0.10 1.5+0.10 - 0.00 1.5 min. 0.6+0.00 - 0. 40 6.40 ? 0.20 9.00 ? 0.20 2.10 ? 0.20 (mm) 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 h t1 a d a e 1 a b w f t p0 od0 b a0 p2 k0 b 0 section b-b section a-a od1 p1 package type unit quantity sop - 14 tape & reel 2500 d e v i c e s p e r u n i t
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 2 0 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 sop-14 user direction of feed 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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 2 1 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 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. 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 test item method description solderability jesd - 22, b102 5 sec, 245 c holt jesd - 22, a108 1000 hrs, bias @ 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, a115 vmm ? 200v latch - up jesd 78 10ms, 1 tr ? 100ma r e l i a b i l i t y t e s t p r o g r a m
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 . 1 0 - a u g . , 2 0 0 9 a p w 7 0 6 3 w w w . a n p e c . c o m . t w 2 2 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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