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

Download the HV9923 datasheet PDF. This datasheet also covers the HV9921 variant, as both devices belong to the same (hv9921 - hv9923) 3-pin switch-mode led lamp driver ics family and are provided as variant models within a single manufacturer datasheet.

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.

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.

📥 Download Datasheet

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
Datasheet download datasheet HV9923 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
HV9923 3-Pin Switch-Mode LED Lamp Driver ICs Microchip
HV9921 3-Pin Switch-Mode LED Lamp Driver Microchip
HV9922 3-Pin Switch-Mode LED Lamp Driver ICs Microchip
HV9901 Universal Relay Driver Supertex Inc
HV9903 White LED Driver Supertex Inc

Other Datasheets by Supertex

Part Number Description
HV9921 3-Pin Switch-Mode LED Lamp Driver
HV9922 (HV9921 - HV9923) 3-Pin Switch-Mode LED Lamp Driver ICs
HV9925 Programmable-Current LED Lamp Driver IC
HV9910 Universal High Brightness LED Driver
HV9910B Universal High Brightness LED Driver

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.

View original datasheet text
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.