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LX7165 - 5A Constant Frequency Hysteretic Synchronous Buck Regulator

Datasheet Summary

Description

MOSFET and a 14mΩ low‐side N‐channel MOSFET.

Features

  • Microsemi’s proprietary constant‐frequency  hysteretic control engine for near‐instantaneous  correction to line/load transients.   It does not require  high‐ESR output capacitors and incorporates energy‐ saving “PSM” (Power Save or Pulse Skip Mode) at light  loads, to extend battery life in mobile .

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Datasheet preview – LX7165

Datasheet Details

Part number LX7165
Manufacturer Microsemi
File Size 1.44 MB
Description 5A Constant Frequency Hysteretic Synchronous Buck Regulator
Datasheet download datasheet LX7165 Datasheet
Additional preview pages of the LX7165 datasheet.

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Full PDF Text Transcription

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LX7165 3V to 5.5V, 5A Constant Frequency Hysteretic  Synchronous Buck Regulator with I2C  Production Datasheet Description      The LX7165 is a digitally controlled step‐down regulator  IC with an integrated 40mΩ high‐side P‐channel  MOSFET and a 14mΩ low‐side N‐channel MOSFET.  It  features Microsemi’s proprietary constant‐frequency  hysteretic control engine for near‐instantaneous  correction to line/load transients.  It does not require  high‐ESR output capacitors and incorporates energy‐ saving “PSM” (Power Save or Pulse Skip Mode) at light  loads, to extend battery life in mobile applications.  The LX7165 has an I2C serial interface port for output  voltage margining and monitoring if required (it can  also operate in default mode).
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