W1525A control circuit, main features and pin of DC-DC circuit and power supply monitor

Published:2011/7/11 6:02:00 Author:Lucas | Keyword: control circuit , main features , pin , DC-DC circuit , power supply monitor | From:SeekIC

W1525A/2525A/3525A switching regulatorcontrol circuit Operating supply voltage range is 8 ~ 35V; it has 5.1V reference voltage; error is ± 1%; oscillator frequency range is 100Hz ~ 500kHz; it has adjustable stationary time and internal soft-start and hysteretic input voltage lockout; it contains dual totem pole output drivers; the maximum supply voltage is 40V; the maximum collector voltage is 40V; the maximum charge current of oscillator is 5mA; the maximum output current is 500mA; the maximum reference output current is 50mA; when ambient temperature is 70 ℃, the power consumption is 1000mW; W1525A operating temperature is -55 ~ +125 ℃, and W2525A is -25 ~ +85 ℃, and W3525A is 0 ~ +70 ℃.



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