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


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