e l ek tr on isch e b a u e lemen te SL1117A 1a low dropout positive adjustable or fixed-mode regulator d e s c r i p t i o n the s l1117a is a low dropout at positive adjustable or fixed-mode regulator with min. of 1a output current capability. the product is specifically designed to provide well-regulated supply for low voltage ic applications such as high-speed bus termination and low current 3.3v logic supply. s l1117a is also well suited for other applications such as vga cards. s l1117a is guaranteed to have lower than 1.4v dropout at full load current making it ideal to provide well regulated outputs of 1.25v to 5v with 6.4v to 12v input supply. * 3-terminal adjustable or f ixed 1.5v,1.8v,2.5v,3.3v,5.0v f e a t u r e s * 1. 4 v max. dropout full load current * output current limiting * good noise rejection * fast transient response * built-in thermal shutdown * communication applications * pc peripheral 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 typical circuit s o t - 2 2 3 r ef . m i n . m a x . r ef . m i n . m a x . a 6 . 7 0 7 . 3 0 b 1 3 c t y p . c 2 . 9 0 3 . 1 0 j 2 . 3 0 r e f . d 0 . 0 2 0 . 1 0 1 6 . 3 0 6 . 7 0 e 0 c 1 0 c 2 6 . 3 0 6 . 7 0 i 0 . 6 0 0 . 8 0 3 3 . 3 0 3 . 7 0 h 0 . 2 5 0 . 3 5 4 3 . 3 0 3 . 7 0 5 1 . 4 0 1 . 8 0 millimeter millimeter
d c s u p p l y v o l t a g e p o w e r d i s s i p a t i o n s t o r a g e t e m p e r a t u r e r a n g e o p e r a t i n g j u c t i o n t e m p e r a t u r e r a n g e 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 v v i n - 0 . 3 t o 1 2 0 ~ + 1 5 0 - 6 5 ~ + 1 5 0 a b s o l u t e m a x i m u m r a t i n g s p d t s t t o p c o c o i n t e r n a l l y limited p i n d e s c r i p t i o n s e l e k t r o n i s c h e b a u e l e m e n t e h t t p : / / w w w . s e c o s g m b h . c o m / 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 l111 7a 1a low dropout positive adjustable or f i xed-mode regulator b l o c k d i a g r a m n a m e i / o p i n # f u n c t i o n ad j ( g n d ) i 1 a re s i s t o r d i v i d e r f ro m t h i s p i n t o t h e v o u t p i n a n d g ro u n d s e t s t h e o u t p u t v o l t a g e (g ro u n d o n l y f o r f i xe d m o d e ) v o u t o 2 t h e o u t p u t o f t h e re g u l a t o r . a m i n i m u m o f 1 0 u f ca p a ci t o r m u s t b e co n n e ct e d f ro m t h i s p i n t o g ro u n d t o i n s u re s t a b i l i t y . v i n i 3 t h e i n p u t p i n o f re g u l a t o r . t yp i ca l l y a l a rg e s t o ra g e ca p a ci t o r i s co n n e ct e d f ro m t h i s p i n t o g ro u n d t o i n s u re t h a t t h e i n p u t v o l t a g e d o e s n o t s a g b e l o w t h e m i n i m u m d ro p o u t v o l t a g e d u ri n g t h e l o a d t ra n s i e n t re s p o n s e . t h i s p i n m u s t a l w a ys b e 1 . 3 v h i g h e r t h a n v o u t i n o rd e r f o r t h e d e v i ce t o re g u l a t e p ro p e rl y .
01-jun-2002 rev. a page 3 of 4 h t p : / / w w w . s e c o s g m b h . c o m / 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 e l e k t r o n i s c h e b a u e l e m e n t e s l111 7a 1 a low dropout positive adjustable or f i xed-mode regulator 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 p a r a m et er c o n d i t i o n s m i n t y p m a x u n i t r e f e r e n ce v o l t a g e s l 1 1 1 7 a a d j i o = 1 0 m a , t j = 2 5 , ( v i n : - v o u t ) = 1 . 5 v s l 1 1 1 7 a - 1 . 5 i o = 1 0 m a , t j = 2 5 , 3 v v i : n 1 2 v s l 1 1 1 7 a - 1 . 8 i o = 1 0 m a , t j = 2 5 , 3 . 3 v v i n 1 2 v : s l 1 1 1 7 a - 2 . 5 i o = 1 0 m a , t j = 2 5 , 4 v v i n 1 2 v : s l 1 1 1 7 a - 3 . 3 i o = 1 0 m a , t j = 2 5 , 4 . 8 v v i n 1 2 v : o u t p u t v o l t a g e s l 1 1 1 7 a - 5 . 0 i o = 1 0 m a , t j = 2 5 , 6 . 5 v v i n 1 2 v : l i n e r e g u l a t i o n s l 1 1 1 7 a - x x x i o = 1 0 m a , v o u t + 1 . 5 v < v i n < 1 2 v , t j = 2 5 : s l 1 1 1 7 a a d j v i n = 3 . 3 v , v a d j = 0 , 0 m a < i o < 1 a , t j = 2 5 ( n o t e 1 , 2 ) : - - 1 % s l 1 1 1 7 a - 1 . 5 v i n = 3 v , 0 m a < i o < 1 a , t j= 2 5 ( n o t e 1 , 2 ) : - 1 2 1 5 m v s l 1 1 1 7 a - 1 . 8 v i n = 3 . 3 v , 0 m a < i o < 1 a , t j = 2 5 ( n o t e 1 , 2 ) : - 1 5 1 8 m v s l 1 1 1 7 a - 2 . 5 v i n = 4 v , 0 m a < i o < 1 a , t j= 2 5 ( n o t e 1 , 2 ) : - 2 0 2 5 m v s l 1 1 1 7 a - 3 . 3 v i n = 5 v , 0 m a < i o < 1 a , t j= 2 5 ( n o t e 1 , 2 ) : - 2 6 3 3 m v l o a d r e g u l a t i o n s l 1 1 1 7 a - 5 . 0 v i n = 8 v , 0 m a < i o < 1 a , t j= 2 5 ( n o t e 1 , 2 ) : - 4 0 5 0 m v d r o p o u t v o l t a g e ( v i n - v o u t ) s l 1 1 1 7 a a d j / 1 . 5 / 1 . 8 / 2 . 5 / 3 . 3 / 5 . 0 i o = 1 a , ( v o u t = 0 . 1 % v o u t ) - 1 . 3 1 . 4 v 1.225 1.250 1.275 v 1. 470 1. 500 1. 530 v 1.764 1.800 1.836 v 2.450 2.500 2.550 v 3.235 3.300 3.365 v 4.900 5.000 5.100 v - - - % c u r r e n t l i m i t s l 1 1 1 7 a a d j / 1 . 5 / 1 . 8 / 2 . 5 / 3 . 3 / 5 . 0 v i n - v o u t = 5 v 1 . 1 - - a m i n i m u m l o a d c u r r e n t s l 1 1 1 7 a - x x x 0 t j 1 2 5 : : - 5 1 0 m a t h e r m a l r e g u l a t i o n t a = 2 5 , 3 0 m s p u l se : - 0 . 0 0 8 0 . 0 4 % / w f = 1 2 0 h z , c o u t = 2 5 u f t a n t a l u m , i o u t = 1 a r i p p l e r e j e ct i o n s l 1 1 1 7 a - x x x v i n = v o u t + 3 v - 6 0 7 0 d b t e m p e r a t u r e s t a b i l i t y i o = 1 0 m a - 0 . 5 - % j a t h e r m a l r e si st a n ce ju n ct i o n C t o - a m b i e n t ( n o h e a t s i n k ; n o a i r f l o w ) - 1 1 7 - / w : j c t h e r m a l r e si st a n ce ju n ct i o n - t o - c a se c o n t r o l c i r cu i t r y / p o w e r t r a n s i s t o r - 1 5 - / w : n o t e 1 : s e e t h e r m a l r e g u l a t i o n s p e c i f i c a t i o n s f o r c h a n g e s i n o u t p u t v o l t a g e d u e t o h e a t i n g e f f e c t s . l i n e a n d l o a d r e g u l a t i o n a r e m e a s u r e d a t a c o n s t a n t j u n c t i o n t e m p e r a t u r e b y l o w d u t y c y c l e p u l s e t e s t i n g . l o a d r e g u l a t i o n i s m e a s u r e d a t t h e o u t p u t l e a d = 1 / 1 8 ? f r o m t h e p a c k a g e . n o t e 2 : l i n e a n d l o a d r e g u l a t i o n a r e g u a r a n t e e d u p t o t h e m a x i m u m p o w e r d i s s i p a t i o n o f 1 5 w . p o w e r d i s s i p a t i o n i s d e t e r m i n e d b y t h e d i f f e r e n c e b e t w e e n i n p u t a n d o u t p u t a n d t h e o u t p u t c u r r e n t . g u a r a n t e e d m a x i m u m p o w e r d i s s i p a t i o n w i l l n o t b e a v a i l a b l e o v e r t h e f u l l i n p u t / o u t p u t r a n g e . n o t e 3 : q u i e s c e n t c u r r e n t i s d e f i n e d a s t h e m i n i m u m o u t p u t c u r r e n t r e q u i r e d i n m a i n t a i n i n g r e g u l a t i o n . a t 1 2 v i n p u t / o u t p u t d i f f e r e n t i a l t h e d e v i c e i s g u a r a n t e e d t o r e g u l a t e i f t h e o u t p u t c u r r e n t i s g r e a t e r t h a n 1 0 m a .
01-jun-2002 rev. a page 4 of 4 h t p : / / w w w . s e c o s g m b h . c o m / 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 e l e k t r o n i s c h e b a u e l e m e n t e s l111 7a 1 a low dropout positive adjustable or f i xed-mode regulator c h a r a c t e r i s t i c s c u r v e
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