LTC3577/3577-1集成了一定数量的手持设备电源管理功能，减少了手持设备的复杂度，成本和电路板面积。One Device Replaces Battery Charger, Pushbutton Controller,
LED Driver and Voltage Regulator ICs in Portable Electronics
Design Note 470
Marty Merchant
Introduction Status output indicates when the pushbutton is depressed,
The LTC3577/LTC3577-1 integrates a number of portable allowing the microprocessor to alter operation or begin
device power management functions into one IC, reducing the power-down sequence. Holding the pushbutton down
complexity, cost and board area in handheld devices. The for ve seconds produces a hard reset. The hard reset
major functions include: shuts down the three bucks, the two LDOs and the LED
driver, allowi……
