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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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 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 . a d j u s t a b l e p r e c i s i o n s h u n t r e g u l a t o r 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 t h e a p l 1 4 3 1 i s a 3 - t e r m i n a l a d j u s t a b l e v o l t a g e r e f e r - e n c e w i t h s p e c i f i e d t h e r m a l s t a b i l i t y o v e r a p p l i c a b l e c o m m e r c i a l t e m p e r a t u r e r a n g e s . o u t p u t v o l t a g e m a y b e s e t t o a n y v a l u e b e t w e e n v r e f ( 2 . 5 v ) a n d 2 0 v w i t h t w o e x t e r n a l r e s i s t o r s ( s e e f i g u r e 2 ) . w h e n u s e d w i t h a n p h o t o c o u p l e r , t h e a p l 1 4 3 1 i s a n i d e a l v o l t a g e r e f - e r e n c e i n i s o l a t e d f e e d b a c k c i r c u i t s f o r 2 . 5 v t o 1 2 v s w i t c h i n g - m o d e p o w e r s u p p l i e s . t h i s d e v i c e h a s a t y p i - c a l o u t p u t i m p e d a n c e o f 0 . 1 w . a c t i v e o u t p u t c i r c u i t r y p r o v i d e s a v e r y s h a r p t u r n - o n c h a r a c t e r i s t i c , m a k i n g t h e a p l 1 4 3 1 e x c e l l e n t r e p l a c e m e n t s f o r z e n e r d i o d e s i n m a n y a p p l i c a t i o n s , i n c l u d i n g o n - b o a r d r e g u l a t i o n a n d a d j u s t a b l e p o w e r s u p p l i e s . p r e c i s e r e f e r e n c e v o l t a g e t o 2 . 5 0 0 v g u a r a n t e e d 0 . 5 % o r 1 % r e f e r e n c e v o l t a g e t o l e r a n c e s i n k c u r r e n t c a p a b i l i t y , 1 m a t o 1 0 0 m a q u i c k t u r n - o n a d j u s t a b l e o u t p u t v o l t a g e , v o = v r e f t o 2 0 v l o w o p e r a t i o n a l c a t h o d e c u r r e n t , 2 5 0 a t y p i c a l 0 . 1 w t y p i c a l o u t p u t i m p e d a n c e s o t - 2 3 , s o t - 8 9 a n d t o - 9 2 p a c k a g e s 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 ) l i n e a r r e g u l a t o r s a d j u s t a b l e p o w e r s u p p l y s w i t c h i n g p o w e r s u p p l y s y m b o l f u n c t i o n a l d i a g r a m v ref + _ cathode ref anode s o t - 2 3 ( t o p v i e w ) ref anode cathode 1 2 3 s o t - 8 9 ( t o p v i e w ) ref anode cathode 1 2 3 ref anode cathode 1 2 3 t o - 9 2 ( t o p v i e w ) cathode anode ref p i n c o n f i g u r a t i o n
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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 2 symbol parameter rating unit v ka cathode voltage 21 v i k continuous cathode current range 120 ma i ref reference current range 3 ma q ja thermal resistance from junction to ambient in free air sot - 23 sot - 89 to - 92 416 250 250 c/w t a ambient temperature range apl1431xxc apl1431xxi 0 to 70 - 40 to 85 c t j j unction temperature range apl1431xxc apl1431xxi 0 to 150 - 40 to 150 c t stg storage temperature range - 65 to 150 c t sdr maximum lead soldering temperature , 10 seconds 260 c 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 a b s o l u t e m a x i m u m r a t i n g s 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 t a = 2 5 c ( u n l e s s o t h e r w i s e n o t e d ) apl1431 symbol parameter test conditions min. typ. max. unit apl431a 2.487 2.500 2.513 v ref reference voltage v ka =v ref , i k =10ma *1 apl431b 2.475 2.500 2.525 v d v ref /t reference voltage drift over temp. range v ka =v ref , i k =10ma t a = 0 to 70 c *1 t a = - 40 to 85 c *1 20 30 mv i k =10ma, v ka =v ref to 10v *2 - 1.5 - 3 d v ref / d v ka voltage ratio (open loop gain) i k =10ma, v ka =v ref to 20v *2 - 1.2 - 2.5 mv/v 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 ) . assembly material elec. grade a : 0.5% reference voltage tolerance b : 1% reference voltage tolerance package code a : sot-23 d : sot-89 e : to-92 y : chip form temp. range c : 0 to 70 c i : -40 to 85 c handling code tb : tape & box tr : tape & reel assembly material l : lead free device g : halogen and lead free device apl1431 elec. grade handling code temp. range package code apl 1431 xxxxx xxxxx - date code apl1431 e : apl1431 d : apl1431 xxxxx - date code xxxxx apl1431 a : 1431
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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 3 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 ( c o n t . ) t a = 2 5 c ( u n l e s s o t h e r w i s e n o t e d ) t e s t f i g u r e s f i g u r e 1 . t e s t c i r c u i t f o r v k a = v r e f , v o = v k a = v r e f f i g u r e 2 . t e s t c i r c u i t f o r v k a > v r e f , v o = v k a = v r e f ( 1 + r 1 / r 2 ) + i r e f r 1 f i g u r e 3 . t e s t c i r c u i t f o r i k ( o f f ) n o t e s : * 1 : u s e f i g u r e 1 * 2 : u s e f i g u r e 2 * 3 : u s e f i g u r e 3 v in v o i k v ref v o v in i k(off) v in i k i ref v ref r1 r2 v o apl1431 symbol parameter test conditions min. typ. max. unit i ref reference current i k =10ma, r 1 =10k w , r 2 =open *2 1.0 3 m a d i ref /t reference current drift i k =10ma, r 1 =10k w , r 2 =open, t a = - 40 to 85 c *2 0.3 1 m a i k(min) min. cathode current v ka =v ref *1 0.25 0.5 ma i k(off) off - state cathode current v ka = 20v, v ref = 0v *3 0.1 1 m a |z ka | dynamic impedance v ka =v ref i k =1ma to 100ma, f 1khz *1 0.1 0.4 w i k cathode current 100 ma
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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 4 a p p l i c a t i o n c i r c u i t s p r e c i s i o n v o l t a g e r e f e r e n c e p r e c i s i o n h i g h - c u r r e n t s e r i e s r e g u l a t o r n o t e s f o r a p p l i c a t i o n c i r c u i t s : 1 ) f o r t h e s e r i e s r e g u l a t o r a p p l i c a t i o n s , a d d a c o m p e n s a t i o n c a p a c i t o r c 1 b e t w e e n c a t h o d e a n d r e f i s s t r o n g l y r e c o m m e n d e d t o i m p r o v e t h e s t a b i l i t y o f o u t p u t v o l t a g e . 2 ) s e t v o a c c o r d i n g t o t h e f o l l o w i n g e q u a t i o n : v o = v r e f ( 1 + r 1 / r 2 ) + l r e f x r 1 3 ) c h o o s e t h e v a l u e f o r r b a s f o l l o w s : a ) t h e m a x i m u m l i m i t f o r r b s h o u l d b e s u c h t h a t t h e c a t h o d e c u r r e n t ( l k ) i s g r e a t e r t h a n t h e m i n i m u m o p e r a t i n g c u r r e n t ( 0 . 5 m a ) a t v i n ( m i n ) . b ) t h e m i n i m u m l i m i t f o r r b s h o u l d b e s u c h t h a t t h e c a t h o d e c u r r e n t ( l k ) d o e s n o t e x c e e d 1 0 0 m a u n d e r a l l l o a d c o n d i t i o n s , a n d t h e i n s t a n t a n e o u s t u r n - o n v a l u e f o r l k d o e s n o t e x c e e d 1 2 0 m a . v o v in r 2 r 1 v ref r b v o v in r b v ref r 2 r 1 c 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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 5 0.5 0.75 1 1.25 1.5 -50 -25 0 25 50 75 100 125 2.47 2.475 2.48 2.485 2.49 2.495 2.5 2.505 2.51 2.515 2.52 -50 -25 0 25 50 75 100 125 t y p i c a l c h a r a c t e r i s t i c s cathode current ( m a) c a t h o d e c u r r e n t v s . c a t h o d e v o l t a g e c a t h o d e v o l t a g e ( v ) a m b i e n t t e m p e r a t u r e ( c ) r e f e r e n c e v o l t a g e v s . a m b i e n t t e m p e r a t u r e reference voltage (v) a m b i e n t t e m p e r a t u r e ( c ) reference input current ( m a) r e f e r e n c e i n p u t c u r r e n t v s . a m b i e n t t e m p e r a t u r e c a t h o d e c u r r e n t v s . c a t h o d e v o l t a g e c a t h o d e v o l t a g e ( v ) cathode current (ma) v k a = v r e f i k = 1 0 m a r 1 = 1 0 k w r 2 = i k = 1 0 m a 0 -200 200 400 600 800 -1 0 1 2 3 i k(min) v ka =v re f t a =25 o c -100 -50 0 50 100 -1 0 1 2 3 v ka =v re f t a =25 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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 6 -2.25 -2 -1.75 -1.5 -1.25 -1 -0.75 -0.5 -0.25 0 -50 -25 0 25 50 75 100 125 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 -50 -25 0 25 50 75 100 125 3 4 5 6 7 8 9 10 11 12 13 0 1 2 3 4 5 6 t y p i c a l c h a r a c t e r i s t i c s ( c o n t . ) p u l s e r e s p o n s e t i m e ( m s ) a m b i e n t t e m p e r a t u r e ( c ) r a t i o o f d e l t a r e f e r e n c e v o l t a g e t o d e l t a c a t h o d e v o l t a g e v s . a m b i e n t t m p e r a t u r e ratio of delta reference voltage to delta cathode voltage (mv/v) o f f - s t a t e c a t h o d e c u r r e n t v s . a m b i e n t t e m p e r a t u r e a m b i e n t t e m p e r a t u r e ( c ) off-state cathode current ( m a) input and output voltage (v) i n p u t o u t p u t v k a = 2 0 v v r e f = 0 v k a = v r e f t o 2 0 v i k a = 1 0 m a -500 0 500 1000 1500 2000 2500 -5 0 5 10 15 20 25 30 c a t h o d e v o l t a g e ( v ) off state cathode current ( m a) o f f s t a t e c a t h o d e c u r r e n t v s . c a t h o d e v o l t a g e v r e f = 0 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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 7 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 t y p i c a l c h a r a c t e r i s t i c s ( c o n t . ) s t a b i l i t y b o u n d a r y c o n d i t i o n s l o a d c a p a c i t a n c e ( m f ) cathode current (ma) v k a = v r e f v k a = 3 . 3 v s t a b l e s t a b l e 0 10 20 30 40 50 60 1 10 100 1000 f r e q u e n c y ( k h z ) small-signal voltage amplification (db) s m a l l - s i g n a l v o l t a g e a m p l i f i c a t i o n v s . f r e q u e n c y v in r1 r2 v o c l i k v in v o c l i k v in 15k 8.25k v o 10uf 232 voltage amplification test circuit stability test circuit for v ka =v ref stability test circuit for v ka >v ref , v o = v ka = v ref x (1+r1/r2) + i ref x r1 use the mlcc for c l 10k w w w w 150 150 w w u n s t a b 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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 8 1k 200k 2k 5k 10k 20k 50k 100k 100m 1 200m 300m 500m reference impedance ( w ) r e f e r e n c e i m p e d a n c e v s . f r e q u e n c y f r e q u e n c y ( h z ) i k = 1 0 m a t a = 2 5 c t y p i c a l c h a r a c t e r i s t i c s ( c o n 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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 9 p a c k a g e i n f o r m a t i o n s o t - 2 3 - 3 0 l view a 0 . 2 5 gauge plane seating plane a a 2 a 1 e d e e 1 see view a b c e1 max. 0.057 0.051 0.024 0.006 0.009 0.020 0.012 l 0.30 0 e e1 e1 e d c b 0.08 0.30 0.60 0.012 0.95 bsc 1.90 bsc 0.22 0.50 0.037 bsc 0.075 bsc 0.003 min. millimeters s y m b o l a1 a2 a 0.00 0.90 sot-23 max. 1.45 0.15 1.30 min. 0.000 0.035 inches 8 0 8 0 1.40 2.60 1.80 3.00 2.70 3.10 0.122 0.071 0.118 0.102 0.055 0.106 note : dimension d and e1 do not include mold flash, protrusions or gate burrs. mold flash, protrusion or gate burrs shall not exceed 10 mil per side.
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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 1 0 p a c k a g e i n f o r m a t i o n s o t - 8 9 s y m b o min. max. millimeters sot-89 min. max. inches a c e1 e b b1 d d1 h e l e 1 1.60 0.44 0.35 0.44 4.40 4.60 1.62 1.83 0.56 2.13 a b c d d1 e e1 e e1 b1 0.36 0.48 3.00 bsc 3.94 4.25 2.29 2.60 2.29 0.118 bsc 0.063 0.017 0.014 0.019 0.014 0.017 0.173 0.181 0.064 0.072 0.084 0.155 0.167 0.090 0.102 0.090 0.022 l 0.89 0.035 h 1.50 bsc 0.059 bsc 1.40 1.20 0.047 0.055 l note : follow jedec to-243 aa.
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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 1 1 p a c k a g e i n f o r m a t i o n t o - 9 2 j d e s j l e e1 a b s y m b o l min. max. 5.33 3.18 4.19 2.42 2.66 0.53 3.43 a b e e e1 j l s millimeters d 4.45 5.20 to-92 12.70 2.03 2.66 min. max. inches 0.210 0.175 0.205 0.125 0.165 0.095 0.105 0.135 0.500 0.080 0.105 4.32 0.170 0.021 0.055 1.15 1.39 0.045 0.41 0.016 note : followjedec to-92. 4.00 0.157 0.591 15.00
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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 1 2 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 application a h t1 c d d w e1 f 178.0 ? 2.00 50 min. 8.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 8.0 ? 0.30 1.75 ? 0.10 3.5 ? 0.05 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 sot - 23 - 3 4.0 ? 0.10 4.0 ? 0.10 2.0 ? 0.10 1.5+0.10 - 0.00 1.5 min. 0.6+0.00 - 0.4 0 3.20 ? 0.20 3.10 ? 0.20 1.50 ? 0.20 application a h t1 c d d w e1 f 178.0 ? 2.00 50 min. 8.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 12.0 ? 0.30 1.75 ? 0.10 5.50 ? 0.05 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 sot - 89 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 4.80 ? 0.20 4.50 ? 0.20 1.80 ? 0.20 (mm) 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
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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 1 3 r e f l o w c o n d i t i o n ( i r / c o n v e c t i o n o r v p r r e f l o w ) t 25 c to peak tp ramp-up t l ramp-down ts preheat tsmax tsmin t l t p 25 t e m p e r a t u r e time critical zone t l to t p c a r r i e r t a p e & b o x d i m e n s i o n 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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 1 4 profile feature sn - pb eutectic assembly pb - free assembly average ramp - up rate (t l to t p ) 3 c/second max. 3 c/second max. preheat - temperature min (tsmin) - temperature max (tsmax) - time (min to max) (ts) 100 c 150 c 60 - 120 seconds 150 c 200 c 60 - 180 seconds time maintained above: - temperature (t l ) - time (t l ) 183 c 60 - 150 seconds 217 c 60 - 150 seconds peak /classification temperature (tp) see table 1 see table 2 time within 5 c of actual peak temperature (tp) 10 - 30 seconds 20 - 40 seconds ramp - down rate 6 c/sec ond max. 6 c/second max. time 25 c to peak temperature 6 minutes max. 8 minutes max. note: all temperatures refer to topside of the package. measured on the body surface. 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 test item method description solderability mil - std - 883d - 2003 245 c, 5 sec holt mil - std - 883d - 1005.7 1000 hrs bias @125 c pct jesd - 22 - b, a102 168 hrs, 100 % rh, 121 c tst mil - std - 883d - 1011.9 - 65 c~150 c, 200 cycles esd mil - std - 883d - 3015.7 vhbm > 2kv, 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 d e v i c e s p e r u n i t package type unit quantity sot - 23 - 3 tape & reel 3000 sot - 89 tape & reel 1000 to - 92 tape & box 2000
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 . 4 - m a r . , 2 0 0 8 a p l 1 4 3 1 w w w . a n p e c . c o m . t w 1 5 table 2. pb - free process ? package classification reflow temperatures package thickness volume mm 3 <350 volume mm 3 350 - 2000 volume mm 3 >2000 <1.6 mm 260 +0 c* 260 +0 c* 260 +0 c* 1.6 mm ? 2.5 mm 260 +0 c* 250 +0 c* 245 +0 c* 3 2.5 mm 250 +0 c* 245 +0 c* 245 +0 c* * tolerance: the device manufacturer/supplier shall assure process compatibility up to and including the stated classification temperature (this means peak reflow temperature +0 c. for example 260 c+0 c) at the rated msl level. 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 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 table 1. snpb eutectic process ? package peak reflow temperature s package thickness volume mm 3 <350 volume mm 3 3 350 <2.5 mm 240 +0/ - 5 c 225 +0/ - 5 c 3 2.5 mm 225 +0/ - 5 c 225 +0/ - 5 c 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 ( c o n t . )

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