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HM1482 - 18V High Efficiency Synchronous Step-Down Converter

General Description

The+0 is a wide input range, high-efficiency, DC-to-DC step-down switching regulator, capable of delivering up to 2A of output current.

Key Features

  • Wide Input Operating Range from 4.5V to 18V.
  • High Efficiency:  Up to 90%at Light Load  Up to 95% at Heavy Load.
  • Capable of Delivering 2A.
  • Input OVP at 20V.
  • No External Schottky Diode Needed.
  • Current Mode control.
  • 0.923V Reference for Low Output voltages.
  • Logic Control Shutdown.
  • Thermal shutdown and UVLO.
  • Available in SOP8.

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Datasheet Details

Part number HM1482
Manufacturer H&M Semiconductor
File Size 957.73 KB
Description 18V High Efficiency Synchronous Step-Down Converter
Datasheet download datasheet HM1482 Datasheet

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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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HM1482 2A, 18V High Efficiency Synchronous Step-Down Converter DESCRIPTION The+0 is a wide input range, high-efficiency, DC-to-DC step-down switching regulator, capable of delivering up to 2A of output current. Current mode PWM control allows the use of small external components, such as ceramic input and output caps, as well as small inductors, while still providing low output ripples. On top of the integrated internal synchronous rectifier that eliminates external Schottky diode, HM1482 also employs a proprietary control scheme that switches the device into a power save mode during light load, thereby extending the range of high efficiency operation. Therefore, HM1482 is a much superior solution in comparison to other competitions in terms of efficiency and cost.