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HV9923 Datasheet (HV9921 - HV9923) 3-Pin Switch-Mode LED Lamp Driver ICs

Manufacturer: Supertex

Download the HV9923 datasheet PDF. This datasheet also includes the HV9921 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (HV9921_Supertex.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number HV9923
Manufacturer Supertex
File Size 689.11 KB
Description (HV9921 - HV9923) 3-Pin Switch-Mode LED Lamp Driver ICs
Download HV9923 Download (PDF)

General Description

The HV9921/22/23 are pulse width modulated (PWM) high-efficiency LED driver control ICs.

They allow efficient operation of LED strings from voltage sources ranging up to 400VDC.

The HV9921/22/23 include an internal high voltage switching MOSFET controlled with fixed off-time TOFF of approximately 10µs.

Overview

HV9921/HV9922/HV9923 Initial Release 3-Pin Switch-Mode LED Lamp Driver.

Key Features

  • Constant Output Current: o HV9921.
  • 20mA o HV9922.
  • 50mA o HV9923.
  • 30mA Universal 85-264VAC Operation Fixed OFF-Time Buck Converter www. DataSheet4U. com Internal 500V Power MOSFET General.