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CY2291FI CXD3068Q X28ST010 PDI1394L SY10E 71M651 2N542 BZT52
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       c o r p o r a t i o n g m l m 3 1 7 l p a g e : 1 / 3 i s s u e d d a t e : 2 0 0 6 / 0 2 / 1 7  r e v i s e d d a t e :  g m l m 3 1 7 l 1 0 0 m a a d j u s t a b l e v o l t a g e r e g u l a t o r d e s c r i p t i o n t h e g m l m 3 1 7 l i s a m o n o l i t h i c i n t e g r a l c i r c u i t , d e s i g n e d f o r u s e a s p o s i t i v e a d j u s t a b l e v o l t a g e r e g u l a t o r . i t i s d e s i g n e d t o s u p p l y u n i t 1 0 0 m a o f l o a d c u r r e n t w i t h a n o u t p u t v o l t a g e a d j u s t a b l e o v e r a 1 . 2 5 v t o 3 7 v r a n g e . f e a t u r e s & o u t p u t v o l t a g e a d j u s t a b l e f r o m 1 . 2 5 v t o 3 7 v & o u t p u t c u r r e n t i n e x c e s s o f 1 0 0 m a & t h e r m a l o v e r l o a d p r o t e c t i o n & s h o r t c i r c u i t p r o t e c t i o n & o u t p u t t r a n s i s t o r s a v e a r e a c o m p e n s a t i o n & f l o a t i n g o p e r a t i o n f o r h i g h v o l t a g e a p p l i c a t i o n 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 4 . 4 4 . 6 g 3 . 0 0 r e f . b 4 . 0 5 4 . 2 5 h 1 . 5 0 r e f . c 1 . 5 0 1 . 7 0 i 0 . 4 0 0 . 5 2 d 1 . 3 0 1 . 5 0 j 1 . 4 0 1 . 6 0 e 2 . 4 0 2 . 6 0 k 0 . 3 5 0 . 4 1 f 0 . 8 9 1 . 2 0 l 5 t y p . m 0 . 7 0 r e f . b l o c k d i a g r a m t e s t c i r c u i t g m l m 3 1 7 l s o t - 8 9
     c o r p o r a t i o n g m l m 3 1 7 l p a g e : 2 / 3 i s s u e d d a t e : 2 0 0 6 / 0 2 / 1 7  r e v i s e d d a t 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 r a t i n g s u n i t i n p u t - o u t p u t v o l t a g e d i f f e r e n c e v i n - v o u t 4 0 v p o w e r d i s s i p a t i o n p d 6 2 5 m w 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 j u n c t i o n t e m p e r a t u r e t o p r 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 r - 4 0 ~ + 1 5 0 : 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 i t c h t h e d e v i c e c o u l d b e p e r m a n e n t l y d a m a g e d . 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 s t r e s s r a t i n g s o n l y a n d f u n c t i o n a l d e v i c e o p e r a t i o n i s n o t i m p l i e d . 2 . t h e d e v i c e i s g u a r a n t e e d t o m e e t p e r f o r m a n c e s p e c i f i c a t i o n w i t h i n 0 : 3 ~ 7 0 : o p e r a t i n g t e m p e r a t u r e r a n g e a n d a s s u r e d b y d e s i g n f r o m - 2 0 : 33? :  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 ( v i n - v o u t = 5 v , 0 :  t j  1 2 5 , : i o = 4 0 m a , 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 t j = 2 5 : - 0 . 0 1 0 . 0 4 % / v l i n e r e g u l a t i o n r e g l i n e v i n - v o u t = 3 ~ 4 0 v i o < 2 0 m a 0 :  t j  1 2 5 : - 0 . 0 2 0 . 0 7 % / v t j = 2 5 : - 5 2 5 i o = 5 ~ 1 0 0 m a v o u t  5 v 0 :  t j  1 2 5 : - 2 0 7 0 m v t j = 2 5 : - 0 . 1 0 . 5 l o a d r e g u l a t i o n r e g l o a d i o = 5 ~ 1 0 0 m a v o u t  5 v 0 :  t j  1 2 5 : - 0 . 3 1 . 5 % / v o u t a d j u s t a b l e p i n c u r r e n t i a d j - 5 0 1 0 0  a a d j u s t a b l e p i n c u r r e n t c h a n g e  i a d j v i n - v o u t = 3 ~ 4 0 v i o = 5 ~ 1 0 0 m a , p d < 6 2 5 m w - 0 . 2 5  a r e f e r e n c e v o l t a g e v r e f v i n - v o u t = 3 ~ 4 0 v i o = 5 ~ 1 0 0 m a , p d < 6 2 5 m w 1 . 2 1 . 2 5 1 . 3 v o u t p u t v o l t a g e t e m p e r a t u r e s t a b i l i t y  v o u t / v o u t - 0 . 7 - % m i n i m u m l o a d c u r r e n t i l o a d ( m i n ) v i n - v o u t = 4 0 v - 3 . 5 5 m a v i n - v o u t = 3 ~ 1 3 v 1 0 0 2 0 0 m a x i m u m o u t p u t c u r r e n t i o u t ( m a x ) v i n - v o u t = 4 0 v 2 5 5 0 - m a o u t p u t n o i s e v o l t a g e ( % o f v o u t ) e n f = 1 0 h z ~ 1 0 k h z , t j = 2 5 : - 0 . 0 0 3 - % / v o u t c a d j = 0 - 6 5 - r i p p l e r e j e c t i o n r r t j = 2 5 : , f = 1 2 0 h z c a d j = 1 0 u f 6 6 8 0 - d b n o t e : c a d j i s c o n n e c t e d b e t w e e n a d j u s t p i n a n d g r o u n d . c h a r a c t e r i s t i c s c u r v e
     c o r p o r a t i o n g m l m 3 1 7 l p a g e : 3 / 3 i s s u e d d a t e : 2 0 0 6 / 0 2 / 1 7  r e v i s e d d a t e :  a p p l i c a t i o n i n f o r m a t i o n a n d c i r c u i t s t h e g m l m 3 1 7 l p r o v i d e s a n i n t e r n a l r e f e r e n c e v o l t a g e o f 1 . 2 5 v b e t w e e n t h e o u t p u t a n d a d j u s t m e n t s t e r m i n a l s . t h i s i s u s e d t o s e t a c o n s t a n t c u r r e n t f l o w a c r o s s a n e x t e r n a l r e s i s t o r d r i v e r , g i v i n g a n o u t p u t v o l t a g e v o u t o f : v o u t = v r e f * ( 1 + r 2 / r 1 ) + i a d j * r 2 t h e d e v i c e i s d e s i g n e d t o m i n i m i z e t h e t e r m i a d j ( 1 0 0 u a m a x ) a n d t o m a i n t a i n i t v e r y c o n s t a n t w i t h l i n e a n d l o a d c h a r g e s . u s u a l l y , t h e e r r o r t e r m i a d j * r 2 c a n b e n e g l e c t e d . t o o b t a i n t h e p r e v i o u s r e q u i r e m e n t , a l l t h e r e g u l a t o r q u i e s c e n t c u r r e n t i s r e t u r n e d t o t h e o u t p u t t e r m i n a l , i m p o s i n g a m i n i m u m l o a d c u r r e n t c o n d i t i o n . i f t h e l o a d i s i n s u f f i c i e n t , t h e o u t p u t v o l t a g e w i l l r i s e . t h e g m l m 3 1 7 l i s a f l o a t i n g r e g u l a t o r , i n p u t - o u t p u t d i f f e r e n t i a l v o l t a g e , s u p p l i e s o f v e r y h i g h v o l t a g e w i t h r e s p e c t t o g r o u n d c a n b e r e g u l a t e d a s l o n g a s t h e m a x i m u m i n p u t - o u t p u t d i f f e r e n t i a l i s n o t e x c e e d e d . f u r t h e r m o r e , p r o g r a m m a b l e r e g u l a t o r s a r e e a s i l y o b t a i n a b l e a n d , b y c o n n e c t i n g a f i x e d r e s i s t o r b e t w e e n t h e a d j u s t m e n t a n d o u t p u t , t h e d e v i c e c a n b e u s e d a s a p r e c i s i o n c u r r e n t r e g u l a t o r . 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 f i g 1 . b a s i c a d j u s t a b l e r e g u l a t o r f i g 2 . v o l t a g e r e g u l a t o r w i t h p r o t e c t i o n d i o d e s f i g 3 . s l o w t u r n - o n 1 5 v r e g u l a t o r f i g 4 . 5 v e l e c t r o n i c s h u t - d o w n r e g u l a t o r g m l m 3 1 7 l g m l m 3 1 7 l g m l m 3 1 7 l g m l m 3 1 7 l


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