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

This page provides the datasheet information for the HV9923, a member of the HV9921 (HV9921 - HV9923) 3-Pin Switch-Mode LED Lamp Driver ICs family.

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.

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.

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Datasheet preview – HV9923

Datasheet Details

Part number HV9923
Manufacturer Supertex
File Size 689.11 KB
Description (HV9921 - HV9923) 3-Pin Switch-Mode LED Lamp Driver ICs
Datasheet download datasheet HV9923 Datasheet
Additional preview pages of the HV9923 datasheet.

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Full PDF Text Transcription

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HV9921/HV9922/HV9923 Initial Release 3-Pin Switch-Mode LED Lamp Driver ICs 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 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. The LED string is driven at constant current, thus providing constant light output and enhanced reliability. The output current is internally fixed at 20mA for HV9921, 50mA for HV9922, and 30mA for the HV9923.
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