2 0 0 2 . 1 . 9 1 / 5 s e m i c o n d u c t o r t e c h n i c a l d a t a k i a 7 8 m r 1 8 p i ~ k i a 7 8 m r 3 7 p i b i p o l a r l i n e a r i n t e g r a t e d c i r c u i t r e v i s i o n n o : 0 4 t e r m i n a l l o w d r o p v o l t a g e r e g u l a t o r t h e k i a 7 8 m r ?? ?? s e r i e s a r e l o w d r o p v o l t a g e r e g u l a t o r s u i t a b l e f o r v a r i o u s e l e c t r o n i c e q u i p m e n t s . i t p r o v i d e s c o n s t a n t v o l t a g e p o w e r s o u r c e w i t h t o - 2 2 0 4 t e r m i n a l l e a d f u l l m o l d e d p k g . t h e r e g u l a t o r h a s m u l t i f u n c t i o n s u c h a s o v e r c u r r e n t p r o t e c t i o n , o v e r h e a t p r o t e c t i o n a n d o n / o f f c o n t r o l . f e a t u r e s ? 0 . 5 a o u t p u t l o w d r o p v o l t a g e r e g u l a t o r . ? b u i l t i n o n / o f f c o n t r o l t e r m i n a l . ? b u i l t i n o v e r c u r r e n t p r o t e c t i o n , o v e r h e a t p r o t e c t i o n f u n c t i o n . a f j l d m 1 2 3 4 1 2 3 4 d c i n p u t ( v ) d c o u t p u t ( v ) g n d o n / o f f c o n t r o l i n o d i m m i l l i m e t e r s t o - 2 2 0 i s - 4 1 0 . 0 0 0 . 2 0 1 5 . 0 0 0 . 2 0 2 . 7 0 0 . 2 0 0 . 6 0 0 . 1 0 f 3 . 2 0 0 . 2 0 3 . 5 0 0 . 1 0 a b c d e f g 1 5 . 7 0 0 . 2 0 0 . 4 0 0 . 1 0 h 1 4 . 3 + 0 . 2 / - 0 . 1 1 . 4 5 0 . 1 0 1 . 0 0 0 . 1 0 2 . 5 4 4 . 5 0 0 . 2 0 7 . 5 0 . 1 1 . 5 0 0 . 1 0 j k l m n o p s r 8 5 b c e g h l v v u t k n o r s p + _ + _ + _ 1 . 3 0 0 . 1 3 - 1 . 0 0 0 . 1 1 . 3 0 0 . 1 t u v + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ m a x i m u m r a t i n g ( t a = 2 5 ? ) l i n e u p i t e m o u t p u t v o l t a g e ( t y p . ) u n i t * k i a 7 8 m r 1 8 p i 1 . 8 v * k i a 7 8 m r 2 5 p i 2 . 5 * k i a 7 8 m r 3 0 p i 3 . 0 * k i a 7 8 m r 3 3 p i 3 . 3 * k i a 7 8 m r 3 5 p i 3 . 5 * k i a 7 8 m r 3 7 p i 3 . 7 c h a r a c t e r i s t i c s y m b o l r a t i n g u n i t r e m a r k i n p u t v o l t a g e v i n 3 5 v - o n / o f f c o n t r o l v o l t a g e v c 3 5 v - o u t p u t c u r r e n t i o 0 . 5 a - p o w e r d i s s i p a t i o n 1 p d 1 1 . 5 w n o h e a t s i n k p o w e r d i s s i p a t i o n 2 p d 2 1 5 w w i t h h e a t s i n k j u n c t i o n t e m p e r a t u r e t j 1 2 5 ? - o p e r a t i n g t e m p e r a t u r e t o p r - 2 0 ?- 8 0 ? - s t o r a g e t e m p e r a t u r e t s t g - 3 0 ?- 1 2 5 ? - s o l d e r i n g t e m p e r a t u r e ( 1 0 s e c ) t s o l 2 6 0 ? - n o t e ) * : u n d e r d e v e l o p m e n t
2 0 0 2 . 1 . 9 2 / 5 k i a 7 8 m r 1 8 p i ~ k i a 7 8 m r 3 7 p i r e v i s i o n n o : 0 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 w i s e s p e c i f i e d , i o = 0 . 2 5 a , t a = 2 5 ? , n o t e 1 . ) c h a r a c t e r i s t i c s y m b o l c o n d i t i o n s m i n . t y p . m a x . u n i t o u t p u t v o l t a g e k i a 7 8 m r 1 8 v o - 1 . 7 6 4 1 . 8 0 1 . 8 3 6 v k i a 7 8 m r 2 5 - 2 . 4 3 8 2 . 5 0 2 . 5 6 2 k i a 7 8 m r 3 0 - 2 . 9 2 5 3 . 0 0 3 . 0 7 5 k i a 7 8 m r 3 3 - 3 . 2 2 0 3 . 3 0 3 . 3 8 0 k i a 7 8 m r 3 5 - 3 . 4 1 3 3 . 5 0 3 . 5 8 7 k i a 7 8 m r 3 7 - 3 . 6 0 8 3 . 7 0 3 . 7 9 2 l o a d r e g u l a t i o n r e g l o a d i o = 5 m a ?- 0 . 5 a - 0 . 1 2 . 0 % l i n e r e g u l a t i o n r e g l i n e ( n o t e 2 ) - 0 . 5 2 . 5 % t e m p e r a t u r e c o e f f i c i e n t o f o u t p u t v o l t a g e t c v o t j = 0 ?- 1 2 5 ? - ?? 0 . 0 2 ?? 0 . 0 5 % / ? r i p p l e r e j e c t i o n r ? r - 5 5 6 5 - d b d r o p o u t v o l t a g e v d i o = 0 . 5 a ( n o t e 3 ) - - 0 . 5 v o u t p u t o n s t a t e f o r c o n t r o l v o l t a g e v c ( o n ) - 2 . 0 - - v o u t p u t o n s t a t e f o r c o n t r o l c u r r e n t i c ( o n ) v c = 2 . 7 v - - 2 0 a o u t p u t o f f s t a t e f o r c o n t r o l v o l t a g e v c ( o f f ) - - - 0 . 8 v o u t p u t o f f s t a t e f o r c o n t r o l c u r r e n t i c ( o f f ) v c = 0 . 4 v - - - 0 . 4 m a q u i e s c e n t c u r r e n t i q i o = 0 - - 1 0 m a n o t e 1 ) v i n o f k i a 7 8 m r 1 8 = 3 . 5 v n o t e 2 ) v i n o f k i a 7 8 m r 1 8 = 2 . 5 ?- 1 0 v n o t e 3 ) a t v i n = 0 . 9 5 v o " k i a 7 8 m r 2 5 = 4 . 2 v " k i a 7 8 m r 2 5 = 3 . 2 ?- 1 0 v " k i a 7 8 m r 3 0 = 4 . 7 v " k i a 7 8 m r 3 0 = 3 . 7 ?- 1 0 v " k i a 7 8 m r 3 3 = 5 . 0 v " k i a 7 8 m r 3 3 = 4 . 0 ?- 1 0 v " k i a 7 8 m r 3 5 = 5 . 2 v " k i a 7 8 m r 3 5 = 4 . 2 ?- 1 0 v " k i a 7 8 m r 3 7 = 5 . 4 v " k i a 7 8 m r 3 7 = 4 . 4 ?- 1 0 v b l o c k d i a g r a m o v e r h e a t p r o t e c t i o n c o n t r o l o u t p u t o n / o f f a s o p r o t e c t i o n b a n d g a p r e f e r e n c e - + 1 4 2 3 v o v i n c o n t r o l g n d
2 0 0 2 . 1 . 9 3 / 5 k i a 7 8 m r 1 8 p i ~ k i a 7 8 m r 3 7 p i r e v i s i o n n o : 0 1 2 3 4 a a a v 0 . 3 3 m f i i r i q c l o v o c v v i n 4 7 m f f i g . 1 s t a n d a r d t e s t c i r c u i t k i a 7 8 m r x x p i s p e c i f i c i c 4 1 3 2 o n / o f f s i g n a l c o l o a d v o h i g h o r o p e n : o u t p u t o n l o w : o u t p u t o f f c m o s o r t t l i n v f i g . 2 a p p l i c a t i o n c i r c u i t f o r s t a n d a r d 1 2 3 v 0 . 3 3 m f r l e o v i n 4 7 m f f i g . 1 - 2 r i p p l e r e j e c t i o n t e s t c i r c u i t e i f = 1 2 0 h z ( s i n e w a v e ) e i = 0 . 5 v r m s r r = 2 0 l o g ( e i / e o ) k i a 7 8 m r x x p i 4
2 0 0 2 . 1 . 9 4 / 5 k i a 7 8 m r 1 8 p i ~ k i a 7 8 m r 3 7 p i r e v i s i o n n o : 0 o o u t p u t v o l t a g e d e v i a t i o n v ( m v ) - 1 0 0 - 2 5 j u n c t i o n t e m p e r a t u r e t ( c ) j j o f i g . 5 - 1 t - v ( k i a 7 8 m r 2 5 ) 0 2 5 5 0 7 5 1 0 0 1 2 5 - 5 0 0 5 0 1 0 0 1 5 0 v = 4 . 2 v i = 0 . 2 5 a i n o j j u n c t i o n t e m p e r a t u r e t ( c ) f i g . 5 - 3 t - v ( k i a 7 8 m r 3 3 ) o u t p u t v o l t a g e d e v i a t i o n v ( m v ) o j o r e l a t i v e o u t p u t v o l t a g e ( % ) 0 0 o u t p u t c u r r e n t i ( a ) o f i g . 4 i - v 0 . 2 5 0 . 5 0 0 . 7 5 1 . 0 2 0 4 0 6 0 8 0 1 0 0 o o o u t p u t v o l t a g e d e v i a t i o n v ( m v ) j u n c t i o n t e m p e r a t u r e t ( c ) j f i g . 5 - 4 t - v ( k i a 7 8 m r 3 5 ) o j o o u t p u t v o l t a g e d e v i a t i o n v ( m v ) 2 5 j u n c t i o n t e m p e r a t u r e t ( c ) - 2 5 - 1 0 0 - 5 0 0 5 0 0 1 0 0 5 0 7 5 j 1 2 5 f i g . 5 - 2 t - v ( k i a 7 8 m r 3 0 ) 1 5 0 1 0 0 o i = 0 . 2 5 a v = 4 . 7 v o i n - 1 0 0 - 2 5 0 2 5 5 0 7 5 1 0 0 1 2 5 - 5 0 0 5 0 1 0 0 1 5 0 v = 5 . 0 v i = 0 . 2 5 a i n o 2 5 - 2 5 - 1 0 0 - 5 0 0 5 0 0 1 0 0 5 0 7 5 1 5 0 1 0 0 i = 0 . 2 5 a v = 5 . 2 v o i n j o d p o w e r d i s s i p a t i o n p ( w ) a m b i e n t t e m p e r a t u r e t a ( c ) f i g . 3 t a - p n o t e ) o b l i q u e l i n e p o r t i o n : o v e r h e a t p r o t e c t i o n m a y o p e r a t e i n t h i s a r e a . d 0 - 2 5 0 5 0 1 0 0 1 5 0 5 1 0 1 5 2 0 p 1 : n o h e a t s i n k p 2 : w i t h i n f i n i t e h e a t s i n k d d p 1 p 2 d d
2 0 0 2 . 1 . 9 5 / 5 k i a 7 8 m r 1 8 p i ~ k i a 7 8 m r 3 7 p i r e v i s i o n n o : 0 f i g . 7 t - i j u n c t i o n t e m p e r a t u r e t ( c ) 0 - 2 5 q u i e s c e n t c u r r e n t i ( m a ) q j q j 0 2 5 5 0 7 5 1 0 0 1 2 5 2 4 6 8 1 0 v = 3 5 v i = 0 i n o f i g . 8 f - r r i n p u t r i p p l e f r e q u e n c y f ( k h z ) 0 . 1 0 r i p p l e r e j e c t i o n r r ( d b ) 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 1 1 0 1 0 0 i = 0 . 2 5 a , e i = 0 . 5 v o r m s r i p p l e r e j e c t i o n r r ( d b ) o u t p u t c u r r e n t i ( a ) c = 3 . 3 m f 0 3 0 r e f r m s f i g . 9 i - r r o o f = 1 2 0 h z , e i = 0 . 5 v 0 . 2 5 0 . 5 4 0 5 0 6 0 7 0 8 0 f i g . 6 t - v j u n c t i o n t e m p e r a t u r e t ( c ) 0 - 2 5 d r o p o u t v o l t a g e v ( v ) d j i = 0 . 5 a o d j 0 2 5 5 0 7 5 1 0 0 1 2 5 0 . 1 0 . 2 0 . 3 0 . 4 0 . 5 i = 0 . 2 5 a o f i g . 5 - 5 t - v ( k i a 7 8 m r 3 7 ) j u n c t i o n t e m p e r a t u r e t ( c ) - 1 5 0 o u t p u t v o l t a g e d e v i a t i o n v ( m v ) - 2 5 - 2 0 0 0 2 5 5 0 o j i = 0 . 2 5 a v = 5 . 4 v 1 0 0 - 5 0 - 1 0 0 5 0 0 2 0 0 1 5 0 2 5 0 o i n o 1 0 0 j 7 5 1 2 5
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