LT3503 Datasheet | Linear Technology

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 780m V - Short-Circuit Robust - Uses Tiny Capacitors and Inductors - Soft-Start - Internally pensated - Low Shutdown Current: <2µA - Low VCESAT Switch: 400m V 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 Regulation - Battery-Powered Equipment 1A, 2.2MHz Step-Down Switching Regulator in 2mm × 3mm DFN DESCRIPTIO The LT®3503 is a current mode PWM step-down DC/DC converter with an internal 1.45A power switch. The wide operating input range of 3.6V to 20V makes the LT3503 ideal for regulating power from a wide variety of sources. Its high operating frequency allows the use of tiny, low cost inductors and ceramic capacitors, resulting in low, predictable output ripple. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The low current (<2µA) shutdown mode provides output disconnect, enabling easy power management in battery-powered systems. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL...