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LM5116-HT Datasheet Wide Range Synchronous Buck Controller

Manufacturer: Texas Instruments

Overview: LM5116-HT www.ti.com SLVSBS8B – OCTOBER 2013 – REVISED JANUARY 2014 WIDE RANGE SYNCHRONOUS BUCK CONTROLLER Check for Samples:.

General Description

The LM5116 is a synchronous buck controller intended for step-down regulator applications from a high voltage or widely varying input supply.

The control method is based upon current mode control utilizing an emulated current ramp.

Current mode control provides inherent line feed-forward, cycle by cycle current limiting and ease of loop compensation.

Key Features

  • 1.
  • 2 Emulated Peak Current Mode.
  • Wide Operating Range Up to 80 V.
  • Low IQ Shutdown (< 10 µA).
  • Drives Standard or Logic Level MOSFETs.
  • Robust 3.5-A Peak Gate Drive.
  • Free-Run or Synchronous Operation to 1 MHz.
  • Optional Diode Emulation Mode.
  • Programmable Output from 1.215 V to 80 V.
  • Precision 1.5% Voltage Reference.
  • Programmable Current Limit.
  • Programmable Soft-Start.
  • Programmable Line Under-Vo.

LM5116-HT Distributor

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