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UCD74106 Datasheet Synchronous-Buck Power-Stage

Manufacturer: Texas Instruments

Overview: UCD74106 www.ti.com SLUSAJ5A – MAY 2011 – REVISED DECEMBER 2012 Synchronous-Buck Power Stage Check for Samples:.

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General Description

The UCD74106 is a complete power system ready to drive a buck power supply (Figure 1).

High-side MOSFETs, low-side MOSFETs, drivers, current sensing circuitry and necessary protection functions are all integrated into one monolithic solution to facilitate minimum size and maximum efficiency.

Driver circuits provide high charge and discharge current for the high-side NMOS switch and the lowside NMOS synchronous rectifier in a synchronous buck circuit.

Key Features

  • 1.
  • Fully Integrated Power Switches With Drivers for Single and Multiphase Synchronous Buck Converters.
  • Full Compatibility With TI Fusion Digital Power Supply Controllers, (UCD91xx and UCD92xx Families).
  • Compatible With Analog Domain Controllers.
  • Wide Input Voltage Range:.
  • 4.5 V to 18 V.
  • Operational Down to 2.2-V Input With an External Bias Supply.
  • Up to 6-A Output Current.
  • Operational to 2-MHz Switching Frequency.
  • C.

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