NJU2103BE-TE1

NJU2103B System Reset IC ■FEATURES ■GENERAL DESCRIPTION ・Suitable for replacement from MB3771 ・Detection voltage VSA=4.2V±1.0% ・Adjustable detection voltage VSB=1.23V±1.0% ・Possible to detect over voltage VSC=1.245V±1.0% ・VSA and VSB have hysteresis characteristics at reset release ・Operating temperature Ta=-40 to 125°C ・Low quiescent current 280µA typ. ・Reference voltage can be taken out ・Low reset operation voltage 0.8V typ. ・Package EMP8 ■APPLICATION The NJU2103B is a power supply voltage monitoring IC that instantaneously detects abnormality such as power supply voltage cutoff or drop and generates reset signal. It can monitor 2 systems of 5 V power supply and arbitrarily set voltage. Since VSB Detecting Voltage, VSC Detecting Voltage and RESET Output Pulse Width are adjusted from NJU2103A, it is more suitable for replacement from MB3771. Furthermore, it improves usability by extending operating temperature, and making each parameter highly accurate. ■TYPICAL APPLICATION ・Industrial equipment ・Housing and facility equipment ・OA equipment ・Amusement equipment ■BLOCK DIAGRAM Ver.1.1 www.njr.com -1- NJU2103B ■PIN CONFIGURATION EMP8 (Top View) PIN No. PIN NAME 1 CT 2 3 VSC OUTC Comparator C input pin Comparator C output pin 4 5 6 7 8 GND + V GND pin Power Supply pin Comparator B input pin Comparator A input pin RESET output pin (Active Low) VSB /RESIN VSA RESET FUNCTION Connects Capacitor pin for setting RESET Output Pulse Width ■PRODUCT NAME INFORMATION NJU2103B E (TE1) Device Package Name E:EMP8 Taping form ■ORDERING INFORMATION PRODUCT NAME NJU2103BE(TE1) Ver.1.1 PACKAGE OUTLINE EMP8 RoHS HalogenFree TERMINAL FINISH MARKING WEIGHT (mg) MOQ yes yes Sn-2Bi 2103B 76 2000 www.njr.com (pcs) -2- NJU2103B ■ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage SYMBOL + CT Pin Voltage V VSA VSB VSC VCT RESET Output Voltage OUTC Output Voltage VRESET VOUTC Power Dissipation(Ta=25 C) EMP8 PD Junction Temperature Operating Temperature Storage Temperature TJ Topr Tstg Input Voltage RATINGS UNIT -0.3 to 20 + -0.3 to V +0.3 (