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LM5115 - Secondary Side Post Regulator / Synchronous Buck Controller

Datasheet Summary

Description

The LM5115 is a versatile switching regulator controller.

It has two main application configurations.

The first is utilizing the Secondary Side Post Regulation (SSPR) technique to implement multiple output power converters.

Features

  • 1.
  • 2 Self-Synchronization to Main Channel Output.
  • Standalone DC/DC Synchronous Buck Mode.
  • Leading Edge Pulse Width Modulation.
  • Voltage-Mode Control with Current Injection and Input Line Feed-Forward.
  • Operates from AC or DC Input up to 75V.
  • Wide 4.5V to 30V Bias Supply Range.
  • Wide 0.75V to 13.5V Output Range.
  • Top and Bottom Gate Drivers Sink 2.5A Peak.
  • Adaptive Gate Driver Dead-Time Control.
  • Wide Bandwidth E.

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Datasheet preview – LM5115

Datasheet Details

Part number LM5115
Manufacturer Texas Instruments
File Size 1.06 MB
Description Secondary Side Post Regulator / Synchronous Buck Controller
Datasheet download datasheet LM5115 Datasheet
Additional preview pages of the LM5115 datasheet.

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Full PDF Text Transcription

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LM5115 www.ti.com SNVS343E – MARCH 2005 – REVISED MARCH 2013 LM5115 Secondary Side Post Regulator / Synchronous Buck Controller Check for Samples: LM5115 FEATURES 1 •2 Self-Synchronization to Main Channel Output • Standalone DC/DC Synchronous Buck Mode • Leading Edge Pulse Width Modulation • Voltage-Mode Control with Current Injection and Input Line Feed-Forward • Operates from AC or DC Input up to 75V • Wide 4.5V to 30V Bias Supply Range • Wide 0.75V to 13.5V Output Range. • Top and Bottom Gate Drivers Sink 2.5A Peak • Adaptive Gate Driver Dead-Time Control • Wide Bandwidth Error Amplifier (4MHz) • Programmable Soft-Start • Thermal Shutdown Protection • TSSOP-16 or Thermally Enhanced WSON-16 Packages DESCRIPTION The LM5115 is a versatile switching regulator controller.
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