- 1- b m r - 0 3 0 2 system reset ic k o d e n s h i b m r - 0 3 0 2 c b m r - 0 3 0 2 d b m r - 0 3 0 2 e b m r - 0 3 0 2 f b m r - 0 3 0 2 g b m r - 0 3 0 2 h b m r - 0 3 0 2 i b m r - 0 3 0 2 j b m r - 0 3 0 2 k b m r - 0 3 0 2 l hysteresis voltage temperature coefficient of detecting voltage low level output voltage circuit current at on circuit current at off threshold operating voltage output current at on 1 output current at on 2 transmission delay time transmission delay time d i m e n s i o n s (unit : mm) ( v c c = 5 v , t a = 2 5 ?) electro-optical characteristics r l =470 ? , v c c =h ?? l , v o l z 0 . 4 v r l =470 ? , v c c =l ??h ??l r l =470 ? , t a = ??20 ~75 ? r l =470 ? , v c c = v s m i n . r l =??? , v c c = v s m i n . r l =??? , v c c = v s m a x + 0 . 1 v r l =4.7k ? , v o l z 0 . 4 v r l =0 ? , v c c = v s m i n . r l =0 ? , t a = ??20 ~75 ? r l =4.7k ?,cl =100pf r l =4.7k ?,cl =100pf i t e m t y p . 4 . 5 4 . 2 3 . 9 3 . 6 3 . 3 3 . 1 2 . 9 2 . 7 2 . 5 2 . 3 1 0 0 ?? 0 . 0 1 0 . 1 1 0 0 1 . 0 1 . 4 2 0 - 1 0 0 1 0 v s ?av s v s /?at v o l i c c l i c c h v o p l i o l 1 i o l 2 t p l h t p h l 4 . 3 4 . 0 3 . 7 3 . 4 3 . 1 2 . 9 2 . 7 5 2 . 5 5 2 . 3 5 2 . 1 5 4 0 - - - - - 1 0 5 - - 4 . 7 4 . 4 4 . 1 3 . 8 3 . 5 3 . 3 3 . 0 5 2 . 8 5 2 . 6 5 2 . 4 5 3 0 0 - 0 . 4 1 8 0 2 . 5 1 . 6 - - 5 0 0 2 0 v m v % / ? v a a v m a m a s e c s e c s y m b o l c o n d i t i o n s m i n . m a x . u n i t . r a t i n gs y m b o li t e m maximum ratings v c c p d t o p r . t s t g - 0 . 3 ~ + 1 0 . 0 1 5 0 - 2 0 ~ + 7 5 - 4 0 ~ + 1 2 5 v m w ? ? u n i t ( t a = 2 5 ?) supply voltage power dissipation operating temp. storage temp. b m r ??0302 is the low reset type of ic that guarantee to set again micro computers or logic systems by detecting the intermittent of fluctuating power supply voltage during normal use or switching on/off of t h e e q u i p m e n t s . a comparator type of hysteresis transistor developed by kodenshi is built in the ic,so that bmr??0302 is very cost effective components. a n d , b m r ??0302 is a super??low consumption electric current system reset ic which has been developed with using high resistance process. f e a t u r e s |u s u p e r ??low current consumption |ulow operation voltage |uhigh current of output transistor |uhysteresis circuit built in |uit has on delay function to supplement the constant of outer c and r |ua package is sot??23 of the super??miniature surface mounting type a p p l i c a t i o n s |umicro computer circuits in mobile phones,word processors,tvs,vcrs e t c . |ugeneral logic circuits |udetection of voltage drop in batteries of note personal computers, mobile phones |uswitching to backup power supply detecting voltage
- 2- b m r - 0 3 0 2 system reset ic power dissipation vs. ambient temp detecting voltage vs. ambient temp. output current at on vs. ambient temp. load capasitance vs. transmission delay time timing chart circuit current at off vs. ambient temp. circuit current at on vs. ambient temp. hysteresis voltage vs. ambient temp. low level output voltage vs. ambient temp. output voltage vs. supply voltage output current vs. supply voltage
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