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LM5166 Datasheet 500-mA Synchronous Buck Converter

Manufacturer: Texas Instruments

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General Description

The LM5166 is a compact, easy-to-use, 3-V to 65-V, ultra-low IQ synchronous buck converter with high efficiency over wide input voltage and load current ranges.

With integrated high-side and low-side power MOSFETs, up to 500 mA of output current can be delivered at fixed output voltages of 3.3 V or 5 V, or an adjustable output.

The converter is designed to simplify implementation while providing options to optimize the performance for the target application.

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM5166 SNVSA67B – DECEMBER 2016 – REVISED JUNE 2017 LM5166 3-V to 65-V Input, 500-mA Synchronous Buck Converter With.

Key Features

  • 1 Wide Input Voltage Range of 3 V to 65 V.
  • 9.7-µA No-Load Quiescent Current.
  • 40°C to 150°C Junction Temperature Range.
  • Fixed (3.3-V, 5-V) or Adjustable VOUT Options.
  • Meets EN55022 / CISPR 22 EMI Standards.
  • Integrated 1-Ω PFET Buck Switch.
  • Supports 100% Duty Cycle for Low Dropout.
  • Integrated 0.5-Ω NFET Synchronous Rectifier.
  • Eliminates External Schottky Diode.
  • Programmable Peak Current Limit Support.

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