Published:2011/8/28 3:00:00 Author:Seven | Keyword: DC-DC circuit, power supply, monitor pin | From:SeekIC
M51920P--the display and alarm drive circuit when the power supply voltage is too lowThis is a drive circuit of displaying alarm; the buzzer, ring and indicator can be driven by 1 cell; the voltage range of the working power supply is 1.1~1.8V(the regulated voltage is 1.5V); the additional power consumption typical value is 5μA; the power supply limit range is -0.2~2.0V; when the output is saturated, the output current of AO terminal is 300mA; the output current of L3 is 70mA; the power consumption is 600mW; the working temperature is -15~+65℃; it contains the 4-stage frequency distributor and buffer of the reset terminal.
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