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TPS40074 - MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER

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General Description

The TPS40074 is a mid voltage, wide input (4.5-V to 28-V), synchronous, step-down controller, offering design flexibility for a variety of user programmable functions, including;

soft start, UVLO, operating frequency, voltage feed-forward and high-side FET sensed short circuit protection.

The TPS40074 incorporates MOSFET gate drivers for external N-channel high side and synchronous rectifier (SR) MOSFETs.

Overview

www.ti.com TPS40074 SLUS617B – APRIL 2005 – REVISED OCTOBER 2006 MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE.

Key Features

  • Operation Over 4.5-V to 28-V Input Range.
  • Fixed-Frequency Voltage-Mode Controller.
  • Integrated Unity Gain Amplifier for Remote Output Sensing.
  • Predictive Gate Drive™ Generation II for Improved Efficiency.

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