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HM1482 Datasheet 18v High Efficiency Synchronous Step-down Converter

Manufacturer: H&M Semiconductor

Overview: HM1482 2A, 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.

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.

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.

HM1482 Distributor & Price

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