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? 2 0 0 5 f a i r c h i l d s e m i c o n d u c t o r c o r p o r a t i o n 1 w w w . f a i r c h i l d s e m i . c o m m a y 2 0 0 5 f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s f e a t u r e s 1 . 8 t o 5 . 5 v i n p u t v o l t a g e r a n g e c o n t r o l l e d t u r n - o n 2 0 0 m a a n d 4 0 0 m a c u r r e n t l i m i t o p t i o n s u n d e r v o l t a g e l o c k o u t t h e r m a l s h u t d o w n < 1 u a s h u t d o w n c u r r e n t a u t o r e s t a r t f a s t c u r r e n t l i m i t r e s p o n s e t i m e 3 u s t o m o d e r a t e o v e r c u r r e n t s 2 0 n s t o h a r d s h o r t s f a u l t b l a n k i n g a p p l i c a t i o n s p d a s c e l l p h o n e s g p s d e v i c e s m p 3 p l a y e r s d i g i t a l c a m e r a s p e r i p h e r a l p o r t s h o t s w a p s u p p l i e s g e n e r a l d e s c r i p t i o n t h e f p f 2 1 0 0 t h r o u g h f p f 2 1 0 7 i s a f a m i l y o f l o a d s w i t c h e s w h i c h p r o v i d e f u l l p r o t e c t i o n t o s y s t e m s a n d l o a d s w h i c h m a y e n c o u n t e r l a r g e c u r r e n t c o n d i t i o n s . t h e s e d e v i c e s c o n t a i n a 0 . 1 2 5 w c u r r e n t - l i m i t e d p - c h a n n e l m o s f e t w h i c h c a n o p e r a t e o v e r a n i n p u t v o l t a g e r a n g e o f 1 . 8 - 5 . 5 v . s w i t c h c o n t r o l i s b y a l o g i c i n p u t ( o n ) c a p a b l e o f i n t e r f a c i n g d i r e c t l y w i t h l o w v o l t a g e c o n t r o l s i g n a l s . e a c h p a r t c o n t a i n s t h e r m a l s h u t d o w n p r o t e c t i o n w h i c h s h u t s o f f t h e s w i t c h t o p r e v e n t d a m a g e t o t h e p a r t w h e n a c o n t i n u o u s o v e r - c u r r e n t c o n d i t i o n c a u s e s e x c e s s i v e h e a t i n g . w h e n t h e s w i t c h c u r r e n t r e a c h e s t h e c u r r e n t l i m i t , t h e p a r t o p e r a t e s i n a c o n s t a n t - c u r r e n t m o d e t o p r o h i b i t e x c e s s i v e c u r r e n t s f r o m c a u s i n g d a m a g e . f o r t h e f p f 2 1 0 0 - f p f 2 1 0 2 a n d f p f 2 1 0 4 - f p f 2 1 0 6 , i f t h e c o n s t a n t c u r r e n t c o n d i t i o n s t i l l p e r s i s t s a f t e r 1 0 m s , t h e s e p a r t s w i l l s h u t o f f t h e s w i t c h a n d p u l l t h e f a u l t s i g n a l p i n ( f l a g b ) l o w . t h e f p f 2 1 0 0 , f p f 2 1 0 1 , f p f 2 1 0 4 a n d f p f 2 1 0 5 , h a v e a n a u t o - r e s t a r t f e a t u r e w h i c h w i l l t u r n t h e s w i t c h o n a g a i n a f t e r 1 6 0 m s i f t h e o n p i n i s s t i l l a c t i v e . t h e f p f 2 1 0 2 a n d f p f 2 1 0 6 d o n o t h a v e t h i s a u t o - r e s t a r t f e a t u r e s o t h e s w i t c h w i l l r e m a i n o f f u n t i l t h e o n p i n i s c y c l e d . f o r t h e f p f 2 1 0 3 a n d f p f 2 1 0 7 , a c u r r e n t l i m i t c o n d i t i o n w i l l i m m e d i a t e l y p u l l t h e f a u l t s i g n a l p i n l o w a n d t h e p a r t w i l l r e m a i n i n t h e c o n s t a n t - c u r r e n t m o d e u n t i l t h e s w i t c h c u r r e n t f a l l s b e l o w t h e c u r r e n t l i m i t . f o r t h e f p f 2 1 0 0 t h r o u g h f p f 2 1 0 3 , t h e m i n i m u m c u r r e n t l i m i t i s 2 0 0 m a w h i l e t h a t f o r t h e f p f 2 1 0 4 t h r o u g h f p f 2 1 0 7 i s 4 0 0 m a . t h e s e p a r t s a r e a v a i l a b l e i n a s p a c e - s a v i n g 5 p i n s o t 2 3 p a c k a g e . t y p i c a l a p p l i c a t i o n c i r c u i t o f f o n o n v i n g n d f p f 2 1 0 0 - f p f 2 1 0 7 f l a g b v o u t t o l o a d
2 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s f u n c t i o n a l b l o c k d i a g r a m p i n c o n f i g u r a t i o n p i n d e s c r i p t i o n p i n n a m e f u n c t i o n 1 v i n s u p p l y i n p u t : i n p u t t o t h e p o w e r s w i t c h a n d t h e s u p p l y v o l t a g e f o r t h e i c 2 g n d g r o u n d 3 o n o n c o n t r o l i n p u t 4 f l a g b f a u l t o u t p u t : a c t i v e l o , o p e n d r a i n o u t p u t w h i c h i n d i c a t e s a n o v e r c u r r e n t s u p p l y , u n d e r v o l t a g e o r o v e r t e m p e r a t u r e s t a t e . 5 v o u t s w i t c h o u t p u t : o u t p u t o f t h e p o w e r s w i t c h u v l o t h e r m a l s h u t d o w n c u r r e n t l i m i t c o n t r o l l o g i c v i n o n v o u t f l a g b g n d v i n g n d o n f l a g b v o u t s o t 2 3 - 5 12 3 4 5
3 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s a b s o l u t e m a x i m u m r a t i n g s r e c o m m e n d e d o p e r a t i n g r a n g e 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 = 1 . 8 t o 5 . 5 v , t a = - 4 0 t o + 8 5 c u n l e s s o t h e r w i s e n o t e d . t y p i c a l v a l u e s a r e a t v i n = 3 . 3 v a n d t a = 2 5 c . p a r a m e t e r m i n . m a x . u n i t v i n , v o u t , o n , f l a g b t o g n d - 0 . 3 6 v p o w e r d i s s i p a t i o n @ t a = 2 5 c ( n o t e 1 ) 6 6 7 m w 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 - 4 0 1 2 5 c s t o r a g e t e m p e r a t u r e - 6 5 1 5 0 c t h e r m a l r e s i s t a n c e , j u n c t i o n t o a m b i e n t 1 5 0 c / w e l e c t r o s t a t i c d i s c h a r g e p r o t e c t i o n h b m 4 0 0 0 v m m 4 0 0 v p a r a m e t e r m i n . m a x . u n i t v i n 1 . 8 5 . 5 v a m b i e n t o p e r a t i n g t e m p e r a t u r e , t a - 4 0 8 5 c p a r a m e t e r 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 s b a s i c o p e r a t i o n o p e r a t i n g v o l t a g e v i n 1 . 8 5 . 5 v q u i e s c e n t c u r r e n t i q i o u t = 0 m a v i n = 1 . 8 t o 3 . 3 v 9 5 a v o n a c t i v e v i n = 3 . 3 t o 5 . 5 v 1 1 0 2 0 0 s h u t d o w n c u r r e n t i s h d n 1 a l a t c h - o f f c u r r e n t ( n o t e 2 ) i l a t c h o f f v o n = v i n , a f t e r a n o v e r c u r r e n t f a u l t 5 0 a o n - r e s i s t a n c e r o n t a = 2 5 c , i o u t = 5 0 m a 1 2 5 1 6 0 m t a = - 4 0 t o + 8 5 c , i o u t = 5 0 m a 1 5 0 o n i n p u t l o g i c h i g h v o l t a g e v i h v i n = 1 . 8 v 0 . 7 5 v v i n = 5 . 5 v 1 . 3 0 o n i n p u t l o g i c l o w v o l t a g e v i l v i n = 1 . 8 v 0 . 5 v v i n = 5 . 5 v 1 . 0 o n i n p u t l e a k a g e v o n = v i n o r g n d 1 a o f f s w i t c h l e a k a g e i s w o f f v o n = 0 v , v o u t = 0 v 1 a f l a g b o u t p u t l o g i c l o w v o l t a g e v i n = 5 v , i s i n k = 1 0 m a 0 . 1 0 . 2 v v i n = 1 . 8 v , i s i n k = 1 0 m a 0 . 1 5 0 . 3 f l a g b o u t p u t h i g h l e a k a g e c u r r e n t v i n = 5 v , s w i t c h o n 1 a p r o t e c t i o n s c u r r e n t l i m i t i l i m v i n = 3 . 3 v , v o u t = 3 . 0 v f p f 2 1 0 0 , f p f 2 1 0 1 , f p f 2 1 0 2 , f p f 2 1 0 3 2 0 0 3 0 0 4 0 0 m a f p f 2 1 0 4 , f p f 2 1 0 5 , f p f 2 1 0 6 , f p f 2 1 0 7 4 0 0 6 0 0 8 0 0 t h e r m a l s h u t d o w n s h u t d o w n t h r e s h o l d 1 4 0 c r e t u r n f r o m s h u t d o w n 1 3 0 h y s t e r e s i s 1 0
4 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s 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 c o n t . v i n = 1 . 8 t o 5 . 5 v , t a = - 4 0 t o + 8 5 c u n l e s s o t h e r w i s e n o t e d . t y p i c a l v a l u e s a r e a t v i n = 3 . 3 v a n d t a = 2 5 c . n o t e 1 : p a c k a g e p o w e r d i s s i p a t i o n o n 1 s q u a r e i n c h p a d , 2 o z c o p p e r b o a r d . n o t e 2 : a p p l i c a b l e o n l y t o f p f 2 1 0 2 a n d f p f 2 1 0 6 . l a t c h o f f c u r r e n t d o e s n o t i n c l u d e c u r r e n t f l o w i n g i n t o f l a g b . p a r a m e t e r 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 s p r o t e c t i o n s u n d e r v o l t a g e s h u t d o w n u v l o v i n i n c r e a s i n g 1 . 5 1 . 6 1 . 7 v u n d e r v o l t a g e s h u t d o w n h y s t e r e s i s 4 7 m v d y n a m i c t u r n o n t i m e t o n r l = 5 0 0 , c l = 0 . 1 u f 2 5 s t u r n o f f t i m e t o f f r l = 5 0 0 , c l = 0 . 1 u f 5 0 s v o u t r i s e t i m e t r r l = 5 0 0 , c l = 0 . 1 u f 1 2 s v o u t f a l l t i m e t f r l = 5 0 0 , c l = 0 . 1 u f 1 3 6 s o v e r c u r r e n t b l a n k i n g t i m e t b l a n k f p f 2 1 0 0 , f p f 2 1 0 1 , f p f 2 1 0 2 , f p f 2 1 0 4 , f p f 2 1 0 5 , f p f 2 1 0 6 5 1 0 2 0 m s a u t o - r e s t a r t t i m e t r s t r t f p f 2 1 0 0 , f p f 2 1 0 1 , f p f 2 1 0 4 , f p f 2 1 0 5 8 0 1 6 0 3 2 0 m s s h o r t c i r c u i t r e s p o n s e t i m e v i n = v o n = 3 . 3 v . m o d e r a t e o v e r - c u r r e n t c o n d i t i o n . 3 s v i n = v o n = 3 . 3 v . h a r d s h o r t . 2 0 n s
5 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s t y p i c a l c h a r a c t e r i s t i c s f i g u r e 1 . q u i e s c e n t c u r r e n t v s . i n p u t v o l t a g e f i g u r e 2 . q u i e s c e n t c u r r e n t v s . t e m p e r a t u r e f i g u r e 3 . i s h u t d o w n c u r r e n t v s . t e m p e r a t u r e f i g u r e 4 . i s w i t c h - o f f c u r r e n t v s . t e m p e r a t u r e f i g u r e 5 . i l a t c h o f f v s . t e m p e r a t u r e f i g u r e 6 . v i h v s . v i n 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 . 5 2 2 . 5 3 3 . 5 4 4 . 5 5 5 . 5 6 s u p p l y v o l t a g e ( v ) s u p p l y c u r r e n t ( u a ) v o n = v i n 5 0 7 0 9 0 1 1 0 1 3 0 1 5 0 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) s u p p l y c u r r e n t ( u a ) v i n = 1 . 8 v v i n = 3 . 3 v v i n = 5 . 5 v 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) s u p p l y c u r r e n t ( n a ) i _ s h d n v i n = 3 . 3 v v i n = 5 . 5 v 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) s u p p l y c u r r e n t ( n a ) v i n = 3 . 3 v v i n = 5 . 5 v i _ s w o f f 3 5 3 9 4 3 4 7 5 1 5 5 5 9 6 3 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) s u p p l y c u r r e n t ( u a ) v i n = 5 . 5 v v i n = 3 . 3 v 0 0 . 2 0 . 4 0 . 6 0 . 8 1 1 . 2 1 . 4 1 . 5 2 2 . 5 3 3 . 5 4 4 . 5 5 5 . 5 v i n , i n p u t v o l t a g e ( v ) o n t h r e s h o l d ( v ) f p f 2 1 0 0 , 2 1 0 2 , 2 1 0 3 , 2 1 0 4 , 2 1 0 6 , 2 1 0 7 f p f 2 1 0 1 , 2 1 0 5
6 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s t y p i c a l c h a r a c t e r i s t i c s f i g u r e 7 . c u r r e n t l i m i t v s . o u t p u t v o l t a g e f i g u r e 8 . c u r r e n t l i m i t v s . t e m p e r a t u r e f i g u r e 9 . r ( o n ) v s . v i n f i g u r e 1 0 . r ( o n ) v s . t e m p e r a t u r e f i g u r e 1 1 . t o n / t o f f v s . t e m p e r a t u r e f i g u r e 1 2 . t r i s e / t f a l l v s . t e m p e r a t u r e 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 0 . 3 0 . 6 0 . 9 1 . 2 1 . 5 1 . 8 2 . 1 2 . 4 2 . 7 3 v i n - v o u t ( v ) o u t p u t c u r r e n t ( m a ) f p f 2 1 0 4 - f p f 2 1 0 7 f p f 2 1 0 0 - f p f 2 1 0 3 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) o u t p u t c u r r e n t ( m a ) f p f 2 1 0 4 - f p f 2 1 0 7 f p f 2 1 0 0 - f p f 2 1 0 3 6 0 8 0 1 0 0 1 2 0 1 4 0 1 6 0 1 8 0 2 0 0 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) r o n ( m o h m s ) v i n = 1 . 8 v v i n = 3 . 3 v v i n = 5 . 5 v 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 2 3 4 5 6 v i n , i n p u t v o l t a g e ( v ) r ( o n ) ( m o h m s ) 1 0 1 0 0 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) t u r n - o n / o f f t i m e s ( u s ) i l o a d = 1 0 m a v c c = 3 . 3 v t d ( o n ) t d ( o f f ) 1 1 0 1 0 0 1 0 0 0 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) t u r n - o n / o f f t i m e s ( u s ) i l o a d = 1 0 m a v c c = 3 . 3 v t ( f a l l ) t ( r i s e )
7 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s t y p i c a l c h a r a c t e r i s t i c s f i g u r e 1 3 . t b l a n k v s t e m p e r a t u r e f i g u r e 1 4 . t r e s t a r t v s t e m p e r a t u r e f i g u r e 1 5 . t b l a n k r e s p o n s e f i g u r e 1 6 . t r e s t a r t r e s p o n s e f i g u r e 1 7 . t o n r e s p o n s e f i g u r e 1 8 . t o f f r e s p o n s e 4 5 6 7 8 9 1 0 1 1 1 2 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) f l a g - b l a n k i n g t i m e ( m s ) 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 6 0 1 8 0 - 4 0 - 1 5 1 0 3 5 6 0 8 5 t j , j u n c t i o n t e m p e r a t u r e ( o c ) r e s t a r t t i m e ( m s ) v d r v 3 2 v / d i v v o u t 2 v / d i v i o u t 2 0 0 m a / d i v v f l a g b 2 v / d i v v d r v 3 2 v / d i v v o u t 2 v / d i v i o u t 2 0 0 m a / d i v v f l a g b 2 v / d i v 5 m s / d i v 2 0 m s / d i v v o n 2 v / d i v i o u t 1 0 m a / d i v v o n 2 v / d i v i o u t 1 0 m a / d i v 1 0 0 u s / d i v 2 0 0 n s / d i v r l = 5 0 0 w , c l = 0 . 1 u f r l = 5 0 0 w , c l = 0 . 1 u f
8 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s t y p i c a l c h a r a c t e r i s t i c s f i g u r e 1 9 . s h o r t c i r c u i t r e s p o n s e t i m e f i g u r e 2 0 . c u r r e n t l i m i t r e s p o n s e ( o u t p u t s h o r t e d t o g n d ) ( s w i t c h p o w e r u p t o h a r d s h o r t ) f i g u r e 2 1 . c u r r e n t l i m i t r e s p o n s e t i m e ( o u t p u t s h o r t e d t o g n d b y 1 0 w , m o d e r a t e s h o r t ) n o t e 3 : v d r v s i g n a l f o r c e s t h e d e v i c e t o g o i n t o o v e r c u r r e n t c o n d i t i o n . v i n 2 v / d i v i o u t 5 a / d i v v o u t 2 v / d i v 2 0 u s / d i v 5 0 u s / d i v v i n / v o n 2 v / d i v i o u t 2 0 0 m a / d i v v i n = v o n c i n = 1 0 u f c o u t = 0 . 1 u f v i n 2 v / d i v v o n 2 v / d i v i o u t 2 0 0 m a / d i v 5 0 u s / d i v
9 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s d e s c r i p t i o n o f o p e r a t i o n t h e f p f 2 1 0 0 - f p f 2 1 0 7 a r e c u r r e n t l i m i t e d s w i t c h e s t h a t p r o t e c t s y s t e m s a n d l o a d s w h i c h c a n b e d a m a g e d o r d i s r u p t e d b y t h e a p p l i c a t i o n o f h i g h c u r r e n t s . t h e c o r e o f e a c h d e v i c e i s a 0 . 1 2 5 w p - c h a n n e l m o s f e t a n d a c o n t r o l l e r c a p a b l e o f f u n c t i o n i n g o v e r a w i d e i n p u t o p e r a t i n g r a n g e o f 1 . 8 - 5 . 5 v . t h e c o n t r o l l e r p r o t e c t s a g a i n s t s y s t e m m a l f u n c t i o n s t h r o u g h c u r r e n t l i m i t i n g , u n d e r - v o l t a g e l o c k o u t a n d t h e r m a l s h u t d o w n . t h e c u r r e n t l i m i t i s p r e s e t f o r e i t h e r 2 0 0 m a o r 4 0 0 m a . o n / o f f c o n t r o l t h e o n p i n c o n t r o l s t h e s t a t e o f t h e s w i t c h . a c t i v e h i a n d l o v e r s i o n s a r e a v a i l a b l e . r e f e r t o t h e o r d e r i n g i n f o r m a t i o n f o r d e t a i l s . a c t i v a t i n g o n c o n t i n u o u s l y h o l d s t h e s w i t c h i n t h e o n s t a t e s o l o n g a s t h e r e i s n o f a u l t . f o r a l l v e r s i o n s , a n u n d e r - v o l t a g e o n v i n o r a j u n c t i o n t e m p e r a t u r e i n e x c e s s o f 1 5 0 c o v e r r i d e s t h e o n c o n t r o l t o t u r n o f f t h e s w i t c h . i n a d d i t i o n , e x c e s s i v e c u r r e n t s w i l l c a u s e t h e s w i t c h t o t u r n o f f i n f p f 2 1 0 0 - f p f 2 1 0 2 a n d f p f 2 1 0 4 - f p f 2 1 0 7 . t h e f p f 2 1 0 0 , f p f 2 1 0 1 , f p f 2 1 0 4 a n d f p f 2 1 0 5 h a v e a n a u t o - r e s t a r t f e a t u r e w h i c h w i l l a u t o m a t i c a l l y t u r n t h e s w i t c h o n a g a i n a f t e r 1 6 0 m s . f o r t h e f p f 2 1 0 2 a n d f p f 2 1 0 6 , t h e o n p i n m u s t b e t o g g l e d t o t u r n - o n t h e s w i t c h a g a i n . t h e f p f 2 1 0 3 a n d f p f 2 1 0 7 d o n o t t u r n o f f i n r e s p o n s e t o a o v e r c u r r e n t c o n d i t i o n b u t i n s t e a d r e m a i n o p e r a t i n g i n a c o n s t a n t c u r r e n t m o d e s o l o n g a s o n i s a c t i v e a n d t h e t h e r m a l s h u t d o w n o r u n d e r - v o l t a g e l o c k o u t h a v e n o t a c t i v a t e d . f a u l t r e p o r t i n g u p o n t h e d e t e c t i o n o f a n o v e r - c u r r e n t , a n i n p u t u n d e r - v o l t a g e , o r a n o v e r - t e m p e r a t u r e c o n d i t i o n , t h e f l a g b s i g n a l s t h e f a u l t m o d e b y a c t i v a t i n g l o . f o r t h e f p f 2 1 0 0 - f p f 2 1 0 2 a n d f p f 2 1 0 4 - f p f 2 1 0 6 , t h e f l a g b g o e s l o a t t h e e n d o f t h e b l a n k i n g t i m e w h i l e f l a g b g o e s l o i m m e d i a t e l y f o r t h e f p f 2 1 0 3 a n d f p f 2 1 0 7 . f l a g b r e m a i n s l o t h r o u g h t h e a u t o - r e s t a r t t i m e f o r t h e f p f 2 1 0 0 , f p f 2 1 0 1 f p f 2 1 0 4 a n d f p f 2 1 0 5 . f o r t h e f p f 2 1 0 2 a n d f p f 2 1 0 6 , f l a g b i s l a t c h e d l o a n d o n m u s t b e t o g g l e d t o r e l e a s e i t . w i t h t h e f p f 2 1 0 3 a n d f p f 2 1 0 7 , f l a g b i s l o d u r i n g t h e f a u l t s a n d i m m e d i a t e l y r e t u r n s h i a t t h e e n d o f t h e f a u l t c o n d i t i o n . f l a g b i s a n o p e n - d r a i n m o s f e t w h i c h r e q u i r e s a p u l l - u p r e s i s t o r b e t w e e n v i n a n d f l a g b . d u r i n g s h u t d o w n , t h e p u l l - d o w n o n f l a g b i s d i s a b l e d t o r e d u c e c u r r e n t d r a w f r o m t h e s u p p l y . c u r r e n t l i m i t i n g t h e c u r r e n t l i m i t e n s u r e s t h a t t h e c u r r e n t t h r o u g h t h e s w i t c h d o e s n ' t e x c e e d a m a x i m u m v a l u e w h i l e n o t l i m i t i n g a t l e s s t h a n a m i n i m u m v a l u e . f o r t h e f p f 2 1 0 0 - f p f 2 1 0 3 t h e m i n i m u m c u r r e n t i s 2 0 0 m a a n d t h e m a x i m u m c u r r e n t i s 4 0 0 m a a n d f o r t h e f p f 2 1 0 4 - f p f 2 1 0 7 t h e m i n i m u m c u r r e n t i s 4 0 0 m a a n d t h e m a x i m u m c u r r e n t i s 8 0 0 m a . t h e f p f 2 1 0 0 - f p f 2 1 0 3 h a v e a b l a n k i n g t i m e o f 1 0 m s , n o m i n a l l y , d u r i n g w h i c h t h e s w i t c h w i l l a c t a s a c o n s t a n t c u r r e n t s o u r c e . a t t h e e n d o f t h e b l a n k i n g t i m e , t h e s w i t c h w i l l b e t u r n e d - o f f a n d t h e f l a g b p i n w i l l a c t i v a t e t o i n d i c a t e t h a t c u r r e n t l i m i t i n g h a s o c c u r r e d . t h e f p f 2 1 0 3 a n d f p f 2 1 0 7 h a v e n o c u r r e n t l i m i t b l a n k i n g p e r i o d s o i m m e d i a t e l y u p o n a c u r r e n t l i m i t c o n d i t i o n f l a g b i s a c t i v a t e d . t h e s e p a r t s w i l l r e m a i n i n a c o n s t a n t c u r r e n t s t a t e u n t i l t h e o n p i n i s d e a c t i v a t e d o r t h e t h e r m a l s h u t d o w n t u r n s - o f f t h e s w i t c h . r e v e r s e v o l t a g e i f t h e v o l t a g e a t t h e v o u t p i n i s l a r g e r t h a n t h e v i n p i n , l a r g e c u r e n t s m a y f l o w a n d c a n c a u s e p e r m a n e n t d a m a g e t o t h e d e v i c e . f p f 2 1 0 0 - f p f 2 1 0 7 i s d e s i g n e d t o c o n t r o l c u r r e n t f l o w f r o m v i n t o v o u t . u n d e r - v o l t a g e l o c k o u t t h e u n d e r - v o l t a g e l o c k o u t t u r n s - o f f t h e s w i t c h i f t h e i n p u t v o l t a g e d r o p s b e l o w t h e u n d e r - v o l t a g e l o c k o u t t h r e s h o l d . w i t h t h e o n p i n a c t i v e t h e i n p u t v o l t a g e r i s i n g a b o v e t h e u n d e r - v o l t a g e l o c k o u t t h r e s h o l d w i l l c a u s e a c o n t r o l l e d t u r n o n o f t h e s w i t c h w h i c h l i m i t s c u r r e n t o v e r - s h o o t s . t h e r m a l s h u t d o w n t h e t h e r m a l s h u t d o w n p r o t e c t s t h e p a r t f r o m i n t e r n a l l y o r e x t e r n a l l y g e n e r a t e d e x c e s s i v e t e m p e r a t u r e s . d u r i n g a n o v e r - t e m p e r a t u r e c o n d i t i o n t h e f l a g b i s a c t i v a t e d a n d t h e s w i t c h i s t u r n e d - o f f . t h e s w i t c h a u t o m a t i c a l l y t u r n s - o n a g a i n i f t h e t e m p e r a t u r e o f t h e d i e d r o p s b e l o w t h e t h r e s h o l d t e m p e r a t u r e . o r d e r i n g i n f o r m a t i o n p a r t c u r r e n t l i m i t [ m a ] c u r r e n t l i m i t b l a n k i n g t i m e [ m s ] a u t o - r e s t a r t t i m e [ m s ] o n p i n a c t i v i t y t o p m a r k f p f 2 1 0 0 2 0 0 1 0 1 6 0 a c t i v e h i 2 1 0 0 f p f 2 1 0 1 2 0 0 1 0 1 6 0 a c t i v e l o 2 1 0 1 f p f 2 1 0 2 2 0 0 1 0 n a a c t i v e h i 2 1 0 2 f p f 2 1 0 3 2 0 0 0 n a a c t i v e h i 2 1 0 3 f p f 2 1 0 4 4 0 0 1 0 1 6 0 a c t i v e h i 2 1 0 4 f p f 2 1 0 5 4 0 0 1 0 1 6 0 a c t i v e l o 2 1 0 5 f p f 2 1 0 6 4 0 0 1 0 n a a c t i v e h i 2 1 0 6 f p f 2 1 0 7 4 0 0 0 n a a c t i v e h i 2 1 0 7
1 0 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s a p p l i c a t i o n i n f o r m a t i o n t y p i c a l a p p l i c a t i o n o f f o n o n v i n g n d f p f 2 1 0 0 - f p f 2 1 0 7 f l a g b v o u t l o a d b a t t e r y 1 . 8 v - 5 . 5 v c 1 = 1 0 m f r 1 = 1 0 0 k w c 2 = 0 . 1 m f r 2 = 4 9 9 w i n p u t c a p a c i t o r t o l i m i t t h e v o l t a g e d r o p o n t h e i n p u t s u p p l y c a u s e d b y t r a n s i e n t i n - r u s h c u r r e n t s w h e n t h e s w i t c h t u r n s - o n i n t o a d i s c h a r g e d l o a d c a p a c i t o r o r a s h o r t - c i r c u i t , a c a p a c i t o r n e e d s t o b e p l a c e d b e t w e e n v i n a n d g n d . a 0 . 1 u f c e r a m i c c a p a c i t o r , c i n , p l a c e d c l o s e t o t h e p i n s i s u s u a l l y s u f f i c i e n t . h i g h e r v a l u e s o f c i n c a n b e u s e d t o f u r t h e r r e d u c e t h e v o l t a g e d r o p . o u t p u t c a p a c i t o r a 0 . 1 u f c a p a c i t o r c o u t , s h o u l d b e p l a c e d b e t w e e n v o u t a n d g n d . t h i s c a p a c i t o r w i l l p r e v e n t p a r a s i t i c b o a r d i n d u c t a n c e s f r o m f o r c i n g v o u t b e l o w g n d w h e n t h e s w i t c h t u r n s - o f f . f o r t h e f p f 2 1 0 0 - f p f 2 1 0 2 a n d t h e f p f 2 1 0 4 - f p f 2 1 0 6 , t h e t o t a l o u t p u t c a p a c i t a n c e n e e d s t o b e k e p t b e l o w a m a x i m u m v a l u e , c o u t ( m a x ) , t o p r e v e n t t h e p a r t f r o m r e g i s t e r i n g a n o v e r - c u r r e n t c o n d i t i o n a n d t u r n i n g o f f t h e s w i t c h . t h e m a x i m u m o u t p u t c a p a c i t a n c e c a n b e d e t e r m i n e d f r o m t h e f o l l o w i n g f o r m u l a , d u e t o t h e i n t e g r a l b o d y d i o d e i n t h e p m o s s w i t c h , a c i n g r e a t e r t h a n c o u t i s h i g h l y r e c o m m e n d e d . a c o u t g r e a t e r t h a n c i n c a n c a u s e v o u t t o e x c e e d v i n w h e n t h e s y s t e m s u p p l y i s r e m o v e d . t h i s c o u l d r e s u l t i n c u r r e n t f l o w t h r o u g h t h e b o d y d i o d e f r o m v o u t t o v i n . p o w e r d i s s i p a t i o n d u r i n g n o r m a l o p e r a t i o n a s a s w i t c h , t h e p o w e r d i s s i p a t i o n i s s m a l l a n d h a s l i t t l e e f f e c t o n t h e o p e r a t i n g t e m p e r a t u r e o f t h e p a r t . t h e p a r t s w i t h t h e h i g h e r c u r r e n t l i m i t s w i l l d i s s i p a t e t h e m o s t p o w e r a n d t h a t w i l l o n l y t y p i c a l l y b e , i f t h e p a r t g o e s i n t o c u r r e n t l i m i t 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 w i l l o c c u r w h e n t h e o u t p u t i s s h o r t e d t o g r o u n d . f o r t h e f p f 2 1 0 0 , f p f 2 1 0 1 , f p f 2 1 0 4 a n d f p f 2 1 0 5 , t h e p o w e r d i s s i p a t i o n w i l l s c a l e b y t h e a u t o - r e s t a r t t i m e , t r s t r t , a n d t h e o v e r c u r r e n t b l a n k i n g t i m e , t b l a n k , s o t h a t t h e m a x i m u m p o w e r d i s s i p a t e d i s t y p i c a l l y , w h e n u s i n g t h e f p f 2 1 0 2 a n d f p f 2 1 0 6 a t t e n t i o n m u s t b e g i v e n t o t h e m a n u a l r e s e t t i n g o f t h e p a r t . c o n t i n u o u s l y r e s e t t i n g t h e p a r t a t a h i g h d u t y c y c l e w h e n a s h o r t o n t h e o u t p u t i s p r e s e n t c a n c a u s e t h e t e m p e r a t u r e o f t h e p a r t t o i n c r e a s e . t h e j u n c t i o n t e m p e r a t u r e w i l l o n l y b e a l l o w e d t o i n c r e a s e t o t h e t h e r m a l s h u t d o w n t h r e s h o l d . o n c e t h i s t e m p e r a t u r e h a s b e e n r e a c h e d , t o g g l i n g o n w i l l n o t t u r n o n t h e s w i t c h u n t i l t h e j u n c t i o n t e m p e r a t u r e d r o p s . f o r t h e f p f 2 1 0 3 a n d f p f 2 1 0 7 , a s h o r t o n t h e o u t p u t w i l l c a u s e t h e p a r t t o o p e r a t e i n a c o n s t a n t c u r r e n t s t a t e d i s s i p a t i n g a w o r s t c a s e p o w e r a s c a l c u l a t e d i n ( 3 ) u n t i l t h e t h e r m a l s h u t d o w n a c t i v a t e s . i t w i l l t h e n c y c l e i n a n d o u t o f t h e r m a l s h u t d o w n s o l o n g a s t h e o n p i n i s a c t i v e a n d t h e s h o r t i s p r e s e n t . b o a r d l a y o u t f o r b e s t p e r f o r m a n c e , a l l t r a c e s s h o u l d b e a s s h o r t a s p o s s i b l e . t o b e m o s t e f f e c t i v e , t h e i n p u t a n d o u t p u t c a p a c i t o r s s h o u l d b e p l a c e d c l o s e t o t h e d e v i c e t o m i n i m i z e t h e e f f e c t s t h a t p a r a s i t i c t r a c e i n d u c t a n c e s m a y h a v e o n n o r m a l a n d s h o r t - c i r c u i t o p e r a t i o n . u s i n g w i d e t r a c e s f o r v i n , v o u t a n d g n d w i l l h e l p m i n i m i z e p a r a s i t i c e l e c t r i c a l e f f e c t s a l o n g w i t h m i n i m i z i n g t h e c a s e t o a m b i e n t t h e r m a l i m p e d a n c e . i n b l a n k l i m o u t v ( m i n ) t ( m a x ) i ( m a x ) c * = 8 0 m w 0 . 1 2 5 ( 0 . 8 ) r ) ( i p 2 2 d s l i m = * = * = ( m a x ) i ( m a x ) v t t t p ( m a x ) l i m i n b l a n k r e t r y b l a n k * * + = 2 6 0 m w 0 . 8 5 . 5 1 6 0 1 0 1 0 = * * + = ( 1 ) ( 2 ) ( 3 )
1 1 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s d i m e n s i o n a l o u t l i n e a n d p a d l a y o u t
1 2 w w w . f a i r c h i l d s e m i . c o m f p f 2 1 0 0 - f p f 2 1 0 7 r e v . d 2 f p f 2 1 0 0 - f p f 2 1 0 7 i n t e l l i m a x ? a d v a n c e d l o a d m a n a g e m e n t p r o d u c t s

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