Designated client product This product will be discontinued its production in the near term. And it is provided for customers currently in use only, with a time limit. It can not be available for your new project. Please select other new or existing products. For more information, please contact our sales office in your region. New Japan Radio Co.,Ltd. www.njr.com NJM2103 SYSTEM RESET IC GENERAL DESCRIPTION PACKAGE OUTLINE NJM2103 is supply voltage supervisory IC to detect the abnormal conditions, such as shut down of all supply voltages at once, or sudden voltage down and then generate the reset signal. It supervises both 5V supply voltage and the voltage optionally set up. NJM2103D NJM2103M FEATURES Precise Detection of Supply Voltage Down (V =4.2V2.5%) SA Possible Detection of Optional Voltage Down (V =1.22V1.5%) SB Possible Detection of Optional Over-loading Low Operating Current (I 560A V =5V) CC SB Reference Voltage can be taken out. + Low Reset Validated Voltage (V =0.8V Typ.) NJM2103L Voltage Detection with Hystersis Feature Package Outline DIP8, DMP8, SIP8 Bipolar Technology PIN CONFIGURATION PIN FUNCTION 1. C T 2. V SC 3. OUT C 4. GND + 5. V NJM2103L NJM2103D 6. V /RESIN SB NJM2103M 7. V SA 8. RESET BLOCK DIAGRAM + V 5 1.235V 1.235V Reference Voltage 10A 6A + + 7 - - 2 V V SA SC Comp.A - + - + + Comp.C 6 - V / RESIN SB Comp.B R Q S 4 GND 1 8 3 C RESET OUT T C Ver.2012-07-09 - 1 - 100k 40k