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| System Reset IC K DNH OESI BMR-0302 BMR (c)0302 is the low reset type of IC that guarantee to set againMENSIONS DI micro computers or logic systems by detecting the intermittent of fluctuating power supply voltage during normal use or switching on/off of theequipments. A comparator type of hysteresis transistor developed by KODENSHI is built in the IC,so that BMR(c)0302 is very cost effective components. And,BMR(c)0302 is a super(c)low consumption electric current system reset IC which has been developed with using high resistance process. FEATURES U uper S (c)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(c)23 of the super(c)miniature surface mounting type APPLICATIONS UMicro computer circuits in mobile phones,word processors,TVs,VCRs etc. UGeneral logic circuits UDetection of voltage drop in batteries of note personal computers, mobile phones USwitching to backup power supply (Unit : mm) MAXIMUM RATINGS Item Supply voltage Power dissipation Operating temp. Storage temp. (Ta=2...) 5 Symbol Rating VCC PD Topr. Tstg Unit -0.3~+10.0 V 150 mW -20~+75 ... -40~+125 ... ELECTRO-OPTICAL CHARACTERISTICS Item BMR-0302C BMR-0302D BMR-0302E BMR-0302F Detecting Voltage BMR-0302G BMR-0302H BMR-0302I BMR-0302J BMR-0302K BMR-0302L 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 C ...) (V C=5V,Ta=25 Symbol Conditions MinTyp. . 4.5 4.3 4.2 4.0 3.9 3.7 3.6 3.4 3.3 3.1 3.1 2.9 2.75 2.9 2.55 2.7 2.35 2.5 2.15 2.3 100 40 ae .01 0 0.1 100 1.0 1.4 20 10 5 100 10 - Max. 4.7 4.4 4.1 3.8 3.5 3.3 3.05 2.85 2.65 2.45 300 0.4 180 2.5 1.6 500 20 Unit. VS RL =470 *yCC =H E ,V L Z .4V ,V LO 0 V VS VS /T VOL C I CL C I CH VOPL O IL1 O IL2 tPLH tPHL RL =470 *yCC =L EH EL ,V ,T (c)20 ~75 ... RL =470 *y a= S ,V RL =470 *yCC =V Min. S ,V RL =*y CC =V Min. S ,V RL =*y CC =V Max+0.1V ,V 0 RL =4.7k *yOL Z .4V S ,V RL =0 *y CC =V Min. ,T (c)20 ~75 ... RL =0 *y a= RL =4.7k *y,CL =100pF RL =4.7k *y,CL =100pF mV %... / V *I A *I A V mA mA *I ec s *I ec s - 1- System Reset IC BMR-0302 Power dissipation Vs. Ambient temp Output voltage Vs. Supply voltage Output current Vs. Supply voltage Detecting voltage Vs. Ambient temp. Hysteresis voltage Vs. Ambient temp. Low Level output voltage Vs. Ambient temp. Output current at ON Vs. Ambient temp. Circuit current at OFF Vs. Ambient temp. Circuit current at ON Vs. Ambient temp. Load capasitance Vs. Transmission delay time Timing chart - 2- |
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