LT3503 - Linear Technology

LT3503 2.2MHz Step-Down Switching Regulator

U U 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 ■ L.

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 U APPLICATIO S
■ Automotive Battery Regulation
■ Industrial Control Supplies
■ Wall Transformer Regulation
■ Distributed Supply Regul.