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2SC3138Y HD66765 UD4001 35005 UPC1253 PT2381 RSF124 RN731V
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  f u n c ti o n o f t h i s i c i s a cc u r a t e l y r e s e t t i n g t h e s y s t e m a f t e r d e t e c t i n g v o l t a g e a t t h e ti m e o f s w i t c h i n g po w e r o n a nd i n s t a n t a n e o u s po w e r o ff i n v a r i o u s c p u s y s t e m s a n d o t h e r l og i c s y s t e m s . f e a t ur e s c u rr e n t c on s u m p ti o n i s l o w . r e s e t t i n g o u t pu t m i n i m u m g u a r a n t e e v o l t a g e i s l o w . 0 . 8 v t y p . h y s t e r e s i s v o l t a g e i s p r o v i d e d . 50 m v t y p . r e s e t s i g n a l g e n e r a t i o n s t a r t i n g v o l t a g e : 2 . 1 ; 2 . 3 ; 2 . 5 ; 2 . 7 ; 2 . 9 ; 3 . 1 ; 3 . 3 ; 3 . 6 ; 3 . 7 ; 3 . 9 ; 4 . 2 ; 4 . 5 v t y p . a p p l i ca t i o n s a s c on t r o l c i r c u i t o f b a tt e r y - b ac k e d m e m o r y . a s m e a s u r e a g a i n s t e rr o n e o u s o p e r a t i o n s a t p o w e r on - o ff a s m e a s u r e a g a i n s t s y s t e m r u n a w a y a t i n s t a n t a n e ou s b r e a k o f p o w e r s upp l y e t c . a s r e s e tti n g f u n c t i on f o r t h e c p u - m o u n t e d e q u i p m e n t , s u c h a s p e r s on a l c o m pu t e r s , p r i n t e r s , v t r s a nd s o f o r t h . #00 - 26 8 - 1 m a x i m u m r a t i n g s ( t a =25 c) c h arac te r i s t i c s y m b o l ra t i n g un i t s upp l y v o l t a g e v c c - 0 . 3 ~ +1 5 . 0 v p o w e r d i s s i p a t i o n ( p a c k a g e l i mi t a ti o n ) p d 500 m w o p e r a t i on t e m p e r a t u r e t o p r - 30 ~ +75 c beijing estek electronics co.,ltd page 1 of 2 et- il7021 ~ il7045
ele c t r i ca l c h arac te r i s t i c s ( t j = + 2 5 c , u n l e ss o t h e r w i s e n o t e d ) c h arac te r i s t i c s y m bo l c o nd i t i o n s m i n t y p m a x un i t d e t ec ti n g v o l t a g e v s r l =200 w v ol 0 . 4v i l 7021 t 2 i l 7023 t 2 i l 7025 t 2 i l 7027 t 2 i l 7029 t 2 i l 7031 t 2 i l 7033 t 2 i l 7036 t 2 i l 7037 t 2 i l 7039 t 2 i l 7042 t 2 i l 7045 t 2 1 . 95 2 . 15 2 . 35 2 . 55 2 . 75 2 . 95 3 . 15 3 . 45 3 . 55 3 . 75 4 . 05 4 . 35 2 . 1 2 . 3 2 . 5 2 . 7 2 . 9 3 . 1 3 . 3 3 . 6 3 . 7 3 . 9 4 . 2 4 . 5 2 . 25 2 . 45 2 . 65 2 . 85 3 . 05 3 . 25 3 . 45 3 . 75 3 . 85 4 . 05 4 . 35 4 . 65 v l o w - l e v e l o u t pu t v o l t a g e v ol r l =200 w - - 0 . 4 v o u t pu t l e a k a g e c u r r e n t i o h v c c =1 5 v - - 0 . 1 m a h i s t e r e s i s v o l t a g e d v s r l =200 w 30 50 100 m v d e t ec ti n g 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 v s/ d t r l =200 w - 0 . 01 - % / c c i r c u i t c u rr e n t a t on t im e i cc l v c c = v s m i n ? 0 . 05 v - - 500 m a c i r c u i t c u rr e n t a t o ff t im e i cc h v c c =5 . 25 v - - 50 m a t h r e s ho l d o p e r a t i n g v o l t a g e v o p r r l =200 w v ol 0 . 4 v - 0 . 8 - v " l " t r a n s mi ss i o n d e l a y t i m e t p h l r l =1 . 0 k , c l =100p f - 10 - m s " h " t r a n s mi s s i o n d e l a y t i m e t p l h r l =1 . 0 k , c l =100p f - 15 - m s o u t pu t c u rr e n t i ol v cc = v s m i n ? 0 . 05 v ; t c =25 c 20 - - m a #00 - 26 8 - 1 beijing estek electronics co.,ltd page 2 of 2 ET-IL7021 ~ il7045


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