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HV9922 - 3-Pin Switch-Mode LED Lamp Driver ICs

This page provides the datasheet information for the HV9922, a member of the HV9921 3-Pin Switch-Mode LED Lamp Driver ICs family.

Description

HV9921/HV9922/HV9923 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.

Features

  • Constant output current: - HV9921.
  • 20mA - HV9922.
  • 50mA - HV9923.
  • 30mA.
  • Universal 85 - 264VAC operation.
  • Fixed off-time buck converter.
  • Internal 475V power MOSFET.

📥 Download Datasheet

Datasheet preview – HV9922

Datasheet Details

Part number HV9922
Manufacturer Microchip
File Size 334.24 KB
Description 3-Pin Switch-Mode LED Lamp Driver ICs
Datasheet download datasheet HV9922 Datasheet
Additional preview pages of the HV9922 datasheet.

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Full PDF Text Transcription

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HV9921/HV9922/HV9923 3-Pin Switch-Mode LED Lamp Driver ICs Features • Constant output current: - HV9921 – 20mA - HV9922 – 50mA - HV9923 – 30mA • Universal 85 - 264VAC operation • Fixed off-time buck converter • Internal 475V power MOSFET Applications • Decorative lighting • Low power lighting fixtures Description HV9921/HV9922/HV9923 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. 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.
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