Description

50 mA/500 mA, High Efficiency, Ultralow Power Step-Down Regulator Features: Input supply voltage range: 2.15 V to 6.50 V Operates down to 2.00 V voltage Ultralow 180 nA quiescent current Selectable output voltage of 0.8 V to 5.0V ±1.5% output accuracy over full temperature range in PWM mode Selectable hysteresis mode or PWM operation mode Output current Up to 50 mA in hysteresis mode Up to 500 mA in PWM mode VOUTOK flag monitors the output voltage Ultrafast stop switching control 100% duty cycle operation mode 2.0 MHz typical switching frequency in PWM mode with optional SYNC clock range from 1.5 MHz to 2.5 MHz See data sheet for additional features