View ss6680-series datasheet:

 SS6680 UItra Low Power VoItage Detector FEATURES DESCRIPTION The SS6680 is an accurate, ultra-low power Ultra-Low Quiescent Current. consumption voltage detector IC, fabricated with 1.5V to 10.0V Input Voltage Operation. Flexible Detection Voltage Setting advanced CMOS process. The SS6680 0.1V Step in the Range of 1.6V to 6.0V consists of a comparator, a voltage reference High Detection Voltage Accuracy at ±2.5%. unit, a resistor divider, two output drivers, and a Built-In Detection Voltage Hysteresis. hysteresis circuit. Three Output Types: N-ch, P-ch and CMOS. Space Saving Packages: TO-92, SOT-89, The consumption current is so low that it can of- SOT-23 and SOT23-5. ten be ignored when compared to the battery self-discharge c