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