LM27403 Datasheet PDF – Synchronous Buck Controller

Part Number: LM27403

Function: 3-20V, Voltage Mode Synchronous Buck Controller

Package: WQFN 24 Pin Type

Manufacturer: Texas Instruments


LM27403 datasheet



The LM27403 is a feature-rich, easy-to-use, synchronous buck controller offering exceptional levels of integration and performance for superior efficiency in high power density, point-of-load (POL) DC-DC regulator solutions. The resistor-programmable switching frequency from 200 kHz to 1.2 MHz and integrated, high-current MOSFET gate drivers with adaptive deadtime offer flexibility to optimize solution size and maximize conversion efficiency.


1. Up to 97% Efficiency and 93% Duty Cycle

2. Wide Input Voltage Range of 3 V to 20 V

3. Switching Frequency From 200 kHz to 1.2 MHz

4. Inductor-DCR-Based Overcurrent Protection With

5. Thermal Compensation


LM27403 Datasheet PDF Download

LM27403 pdf

Other data sheets are available within the file: