d e s c r i p t i o n t h e lm317 is an adjustable 3-termial positive voltage regulator, designed to supply more than 1.5a of o u t p u t c u r r e n t w i t h v o l t a g e a d j u s t a b l e f r o m 1 . 3 t o 3 7 v . f e a t u r e s & o u t p u t c u r r e n t u p t o 1 . 5 a . & 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 . 3 v t o 3 7 v . & i n t e r n a l s h o r t c i r c u i t p r o t e c t i o n . & i n t e r n a l o v e r t e m p e r a t u r e p r o t e c t i o n . & s a f e - a r e a c o m p e n s a t i o n f o r o u t p u t t r a n s i s t o r . 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 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 b l o c k d i a g r a m 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 - v o 4 0 v l o a d t e m p e r a t u r e t l e a d 2 3 0 p o w e r d i s s i p a t i o n p d 2 w 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 t o p r 0 ~ + 1 2 5 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 o t - 2 2 3 3-terminal 1.5a positive adjustable voltage 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 ( v i - v o = 5 v , 0 < t j < 1 2 5 , i o = 5 0 0 m a , i m a x = 1 . 5 a , p m a x = 8 w , 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 a = 2 5 , 3 v v i - v o 4 0 v - 0 . 0 1 0 . 0 4 % / v l i n e r e g u l a t i o n v o t a = 0 ~ 1 2 5 , 3 v v i - v o < ? 0 v - 0 . 0 2 0 . 0 7 % / v t a = 2 5 v o 6 v - 1 8 2 5 m v 1 0 m a i o i m a x v o
v - 0 . 4 0 . 5 % / v o v o v - 4 0 7 0 m v l o a d r e g u l a t i o n v o 1 0 m a i o i m a x v o
v - 0 . 8 1 . 5 % / v o a d j u s t a b l e p i n c u r r e n t i a d j - 4 6 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 2 . 5 v v i - v o 4 0 v , 1 0 m a i o i m a x , p d p m a x - 2 . 0 5 a r e f e r e n c e v o l t a g e v r e f 3 v v i - v o 4 0 v , 1 0 m a i o i m a x , p d p m a x 1 . 2 2 5 1 . 2 5 1 . 2 7 5 v t e m p e r a t u r e s t a b i l i t y s t t - 0 . 7 - % / v o m i n i m u m l o a d c u r r e n t f o r r e g u l a t i o n i l ( m i n ) v i - v o = 4 0 v - 3 . 5 1 0 m a v i - v o 1 5 v , p d < p m a x 1 . 5 2 . 2 - m a x i m u m o u t p u t c u r r e n t i o ( m a x ) v i - v o = 4 0 v , p d < p m a x t j = 2 5 : 0 . 1 5 0 . 4 - a r m s n o i s e v s . % o f v o u t e n t a = 2 5 , 1 0 h z f 1 0 k h z - 0 . 0 0 3 0 . 0 1 % / v o v o = 1 0 v , f = 1 2 0 h z - 6 0 - r i p p l e r e j e c t i o n r r v o = 1 0 v , f = 1 2 0 h z , c a d j = 1 0 f 6 6 7 5 - d b l o n g - t e r m s t a b i l i t y , t j = t h i g h s t t a = 2 5 , 1 0 0 0 h r - 0 . 3 1 % j u n c t i o n t o c a s e t h e r m a l r e s i s t a n c e r j c - - 1 5 - / w * n o t e : t e s t i n g w i t h l o w d u t y p u l s e s h o u l d b e u s e d t o a v o i d h e a t i n g e f f e c t . c h a r a c t e r i s t i c s c u r v e 3-terminal 1.5a positive adjustable voltage regulator
3-terminal 1.5a positive adjustable voltage regulator
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