e l ek tr on isch e b a u e lemen te s pw8103s dual op-amp and 2.5v 0.7% voltage reference * v ref sinking current capability : 1ma to 100 ma * max. 27v voltage rating * low input offset voltage * precision 0.7% voltage reference * adapter * switching power supply * portable device f e a t u r e s appliactions the SPW8103S consists of 2 low-offset voltage amplifiers and a high-accuracy 2.5v voltage reference in sop-8 package. the SPW8103S provides a low cost and space saving solution for the application such as power supply and switching adapters. the SPW8103S is available in a sop-8 package. it can operate over the ambient temperature range from -40 c to 105 c. description o o 01 -jun-2002 rev. a page 1 of 4 http://www.secosgmbh.com/ any changing of specification will not be informed individual r o h s c o m p l i a n t p r o d u c t r o g r a m m e d b y p a c i t o r c t t o g r o u n d . o p e r a t i o n 5 0 0 k h z n t s u p t o t h i s i s t h e r e f e r e n c e o u t p u t . i t p r o v i d e s c h a rg i n g c u rr e n t f o r c a p a c i t o r c t sop-8 0.25 dimensions in millimeters 6.20 5.80 1.27 typ. 0.35 0.49 4.80 5.00 0 0.10 0.25 1.35 1.75 0.40 0.90 0.19 0.25 3.80 4.00 0.375 ref o 8 o 45 o t h e o s c i l l a t o r f r e q u e n c y a n d m a x i m u m o u t p u t d u t y c y c l e a r e p r o g r a m m e d b y p a c i t o r c t t o g r o u n d . o p e r a t i o n 5 0 0 k h z t h i s o u t p u t d i r e c t l y d ri v e s t h e g a t e o f a p o w e r m o s f et . p e a k c u rr e n t s u p t o t h i s i s t h e r e f e r e n c e o u t p u t . i t p r o v i d e s c h a rg i n g c u rr e n t f o r c a p a c i t o r c t typical circuit block diagram spw 8103 s fig 1. cc/cv control for switching adapters p i n d e s c r i p t i o n s pi n n a m e f u n ct i o n 1 o u t 1 o u t p u t o f o p -a m p 1 2 i n 1 - n e g a t i v e t e r m i n a l o f o p -a m p 1 3 i n 1 + po s i t i v e t e r m i n a l o f o p -a m p 1 , co n n e ct e d t o i n t e rn a l re f e re n ce v o l t a g e 4 g n d g ro u n d 5 i n 2 + po s i t i v e t e r m i n a l o f o p -a m p 2 6 i n 2 - n e g a t i v e t e r m i n a l o f o p -a m p 2 7 o u t 2 o u t p u t o f o p -a m p 2 8 vc c su p p l y v o l t a g e
h t t p : / / w w w . s e c o s g m b h . c o m / e l e k t r o n i s c h e b a u e lemen te a n y c h a n g i n g o f s p e c i f i c a t i o n w i l l n o t b e i n f o r m e d i n d i v i d u a l 01-jun-2002 rev. a page 2 of 4 s pw 8103 s dual op-amp and 2.5v 0.7% voltage reference a b s o l u t e m a x i m u m r a t i n g s pa r a m e te r r a ti n g s u n i t su p p l y v o l t a g e v c c 2 7 v d i f f e re n t i a l i n p u t v o l t a g e (i n 1 + t o i n 1 -, i n 2 + t o i n 2 -) 2 7 v i n p u t v o l t a g e -0 . 3 ~ v c c + 0 . 3 v v m a xi m u m ju n ct i o n t e m p e ra t u re 1 5 0 : o p e ra t i n g a m b i e n t t e m p e ra t u re r a n g e -4 0 ~ + 1 0 5 : s t o ra g e t e m p e ra t u re r a n g e -6 5 ~ + 1 5 0 : l e a d t e m p e ra t u re (p b f re e , 1 0 s e c) 2 6 0 : ju n ct i o n -t o - a m b i e n t t h e r m a l r e s i s t a n ce 1 6 0 : / w esd l e v e l (h u m a n bo d y m o d e l ) 2 k v c a u ti o n : s t r e s s e s b e y o n d t h e r a t i n g s i n 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 i s i s a s t r e s s o n l y r a t i n g a n d o p e r a t i o n o f 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 a b o v e t h o s e i n d i c a t e d i n t h e o p e r a t i o n a l s e c t i o n s o f t h i s s p e c i f i c a t i o n i s n o t l i m i t e d . 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 pa r a m e te r t e s t c o n d i ti o n s m i n t y p m a x u n i t v c c = 5 v , - 4 0 : ~ 1 0 5 : - 0 . 7 1 . 2 t o t a l s u p p l y c u r r e n t ( n o l o a d ) v c c = 2 7 v , - 4 0 : ~ 1 0 5 : - - 2 m a ( v c c = + 5 v , t a = + 2 5 : u n l e ss o t h e r w i se st a t e d ) pa r a m e te r t e s t c o n d i ti o n s m i n t y p m a x u n i t o p - a m p 1 & o p - a m p 2 2 5 : - 1 4 i n p u t o f f se t v o l t a g e ( c o m m o n m o d e v o l t a g e = 0 v ) - 4 0 : ~ 1 0 5 : - - 5 m v i n p u t o f f se t v o l t a g e d r i f t - 7 - v / : i n p u t b i a s c u r r e n t ( o p 1 ) 2 5 : - 2 0 - n a 2 5 : - 2 0 1 5 0 i n p u t b i a s c u r r e n t ( o p 2 ) - 4 0 : ~ 1 0 5 : - - 2 0 0 n a o u t p u t s o u r ce c u r r e n t v c c = 1 5 v , v o = 2 v d i f f e r e n t i a l i n p u t v o l t a g e = 1 v 2 0 4 0 - m a v c c = 1 5 v , v o = 2 v d i f f e r e n t i a l i n p u t v o l t a g e = - 1 v 1 0 - - m a o u t p u t s i n k c u r r e n t v c c = 1 5 v , v o = 0 . 2 v d i f f e r e n t i a l i n p u t v o l t a g e = - 1 v 1 2 5 0 - a o u t p u t s h o r t c u r r e n t v c c = 1 5 v - 4 0 6 0 m a v c c = 2 7 v , r l = 2 k , 2 5 : 2 3 2 4 - v c c = 2 7 v , r l = 2 k , - 4 0 : ~ 1 0 5 : 2 3 - - v c c = 2 7 v , r l = 1 0 k , 2 5 : 2 4 - - o u t p u t v o l t a g e C h i g h l e ve l v c c = 2 7 v , r l = 1 0 k , - 4 0 : ~ 1 0 5 : 2 4 2 5 - v r l = 1 0 k , 2 5 : - 5 2 0 o u t p u t v o l t a g e C l o w l e ve l r l = 1 0 k , - 4 0 : ~ 1 0 5 : - - 2 0 m v l a r g e s i g n a l v o l t a g e g a i n ( o p 1 ) c o m m o n m o d e v o l t a g e = 0 v v c c = 1 5 v , r l = 2 k v o = 1 . 4 v ~ 1 1 . 4 v , - 4 0 : ~ 1 0 5 : - 1 0 0 - v / m v v c c = 1 5 v , r l = 2 k , v o = 1 . 4 v ~ 1 1 . 4 v , 2 5 : 5 0 1 0 0 - l a r g e s i g n a l v o l t a g e g a i n ( o p 2 ) v c c = 1 5 v , r l = 2 k , v o = 1 . 4 v ~ 1 1 . 4 v , - 4 0 : ~ 1 0 5 : 2 5 - - v / m v s l e w r a t e a t u n i t y g a i l v i n = 0 . 5 v ~ 2 v , v c c = 1 5 v r l = 2 k , c l = 1 0 0 p f , u n i t y g a i n 0 . 2 0 . 4 - v / s s u p p l y v o l t a g e r e j e c t i o n r a t i o c o m m o n m o d e v o l t a g e = 0 v , v c c = 5 ~ 2 7 v 6 5 1 0 0 - d b g a i n b a n d w i d t h p r o d u c t v c c = 2 7 v , r l = 2 k , c l = 1 0 0 p f , f = 1 0 0 k h z , v i n = 1 0 m v 0 . 5 0 . 9 - m h z t o t a l h a r m o n i c d i s t o r t i o n v c c = 2 7 v , r l = 2 k , c l = 1 0 0 p f v o = 2 v p p , f = 1 k h z , a v = 2 0 d b - 0 . 0 2 - %
01-jun-2002 rev. a page 3 of 4 h t t p : / / w w w .s e c o sg m b h .c o m/ a n y c ha n g i n g o f s pe c if i c a t i o n w ill no t b e i n f o r m ed i nd i v i dual e l e k t r o n i s c h e b a u e l e m e n t e ( u v l o ) s pw 8103 s dual op-amp and 2.5v 0.7% voltage reference o p - a m p 2 2 5 : - 2 7 5 i n p u t o f f se t c u r r e n t - 4 0 : ~ 1 0 5 : - - 1 5 0 n a v c c = 2 7 v , 2 5 : 0 - v c c - 1 . 5 i n p u t c o m m o n m o d e v o l t a g e r a n g e v c c = 2 7 v , - 4 0 : ~ 1 0 5 : 0 - v c c - 2 v 2 5 : 7 0 8 5 - c o m m o n m o d e r e j e ct i o n r a t i o - 4 0 : ~ 1 0 5 : 6 0 - - d b e q u i va l e n t i n p u t n o i se v o l t a g e f = 1 kh z , r s = 1 0 0 , v c c = 2 7 v - 5 0 - n v/ r e f e r e n ce v o l t a g e c a t h o d e c u r r e n t 1 - 1 0 0 m a 2 5 : 2 . 4 8 2 2 . 5 0 0 2 . 5 1 8 r e f e r e n ce v o l t a g e ( i k = 1 0 m a ) - 4 0 : ~ 1 0 5 : 2 . 4 6 5 2 . 5 0 0 2 . 5 3 5 v r e f e r e n c e i n p u t v o l t a g e d e v i a t i o n o v e r t e m p e r a t u r e r a n g e ( i k = 1 0 m a) - 4 0 : ~ 1 0 5 : - 7 3 0 m v m i n i m u m c a t h o d e c u r r e n t f o r r e g u l a t o r - 0 . 5 1 m a d yn a m i c i m p e d a n ce ? i k = 1 ~ 1 0 0 m a , f < 1 kh z - 0 . 2 0 . 5 h z
e l ek tr on isch e b a u e lemen te 01 -jun-2002 rev. a page 4 of 4 http://www.secosgmbh.com/ any changing of specification will not be informed individual s pw 8103 s dual op-amp and 2.5v 0.7% voltage reference a p p l i c a t i o n i n f o r m a t i o n ? c c / c v c o n t r o l f o r s w i t c h i n g a d a p t e r s
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