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LM25116 - Wide-Range Synchronous Buck Controller

General Description

a high voltage or widely varying input supply.

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

Key Features

  • New, similar products available:.
  • LM25141 45-V wide input range synchronous buck controller.
  • LM5141 65-V wide input range synchronous buck controller.
  • LM25148 42-V synchronous buck controller with ultra-low IQ and DRSS.
  • LM25149 42-V Synchronous buck controller with ultra-low IQ and AEF.
  • Emulated peak current mode.
  • Wide operating range (up to 42 V).
  • Low IQ shutdown (< 10 µA).
  • Drives standard or logic level MOSFETs.

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Other Datasheets by Texas Instruments

Part Number Description
LM25115 Secondary Side Post Regulator Controller
LM25115A Secondary Side Post Regulator/DC-DC Converter
LM25117 Wide Input Range Synchronous Buck Controller
LM25117-Q1 Wide Input Range Synchronous Buck Controller
LM25118 Wide Voltage Range Buck-Boost Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM25116 SNVS509F – APRIL 2007 – REVISED NOVEMBER 2023 LM25116 Wide-Range Synchronous Buck Controller 1 Features • New, similar products available: – LM25141 45-V wide input range synchronous buck controller – LM5141 65-V wide input range synchronous buck controller – LM25148 42-V synchronous buck controller with ultra-low IQ and DRSS – LM25149 42-V Synchronous buck controller with ultra-low IQ and AEF • Emulated peak current mode • Wide operating range (up to 42 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 36 V • Precision 1.