MAX1614 High-Side, n-Channel MOSFET Switch Driver BATT P 8.5V GATE LDO POWER-ON CPUMP RESET (BATT < 2V) 1.21V P SRC LBI N LBO N 50kHz OSC SOFT ON START 1µA 1µA OFF N ON OFF STATE 0 0 OFF 0 1 ON ON MAX1614 1 0 OFF 1 1 LAST VALID STATE GND Figure 1. Functional Diagram www.maximintegrated.com Maxim Integrated │ 6