Voltage Detector with Delay Function
The NJU7708 is a low quiescent current voltage detector with delay function featuring high precision detection voltage.The detection voltage is internally fixed with an accuracy of 1.0% accuracy. The NJU7708/09 is useful for preventing malfunction of microprocessor or DSP through monitoring power supply voltage.The delay function achieves set wait time when supply voltage is unstable. Moreover, the delay function can make a sequence that other devices in application work and stabilize before microcomputer or DSP works.Delay time can be set by logical combination from 4-delay time.NJU7708 is Nch. Open Drain and NJU7709 is a C-MOS output type.Small packaging makes NJU7708 and NJU7709 suitable for space conscious applications.
Consumer Operating Voltage Range 0.7 V to 9 V (10 V) Operating Temperature Range -40°C to 85°C Supply Current Typ. 1.3 µA Detector Threshold Range 1.3 V to 6 V (0.1V Step) Detector Threshold Accuracy ± 1 % Output Type Nch. Open Drain Type Package SOT-23-5 Function Delay Time (Built-in Fixed Type) (0ms/50ms/100ms/200ms: Logical selectable 4-delay time)
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