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HM1484 - 20V Synchronous Step-Down Converter

General Description

switching regulator.

Operating with an input range of 4.6-20V, the HM1484 delivers 3A of continuous output current with two integrated N-Channel MOSFETs.

Key Features

  • 4.6V to 20V operating input range 3A output current.
  • Up to 94% efficiency.
  • High efficiency (>85%) at light load.
  • Adjustable Soft-Start.
  • Fixed 340kHz Switching frequency.
  • Input under voltage lockout.
  • Available in ESOP8 package.
  • Start-up current run-away protection.
  • Short circuit protection.
  • Thermal protection.

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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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HM1484 3A, 20V Synchronous Step-Down Converter FEATURES  4.6V to 20V operating input range 3A output current  Up to 94% efficiency  High efficiency (>85%) at light load  Adjustable Soft-Start  Fixed 340kHz Switching frequency  Input under voltage lockout  Available in ESOP8 package  Start-up current run-away protection  Short circuit protection  Thermal protection APPLICATIONS  Distributed Power Systems  Networking Systems  FPGA, DSP, ASIC Power Supplies  Green Electronics/ Appliances  Notebook Computers TYPICAL APPLICATION DESCRIPTION The HM1484 is a current mode monolithic buck switching regulator. Operating with an input range of 4.6-20V, the HM1484 delivers 3A of continuous output current with two integrated N-Channel MOSFETs.