Description

1A, 2.2MHz Step-Down Switching Regulator in 2mm x 3mm DFN Features: Wide Input Range: 3.6V to 20V 5V at 1.2A from 11V to 18V Input 5V at 1A from 7.2V to 18V Input 3.3V at 1.2A from 8.5V to 12V Input 3.3V at 1A from 5.5V to 12V Input Fixed Frequency Operation: 2.2MHz Output Adjustable Down to 780mV Short-Circuit Robust Uses Tiny Capacitors and Inductors Soft-Start Internally Compensated Low Shutdown Current: <2µA Low VCESAT Switch: 400mV at 1A Thermally Enhanced, 2mm × 3mm 6-Pin DFN Low Profile Package