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HV9921

3-Pin Switch-Mode LED Lamp Driver

HV9921 Features

* Constant output current: 20mA

* Universal 85 - 265VAC operation

* Fixed off-time buck converter

* Internal 475V power MOSFET Applications

* Decorative lighting

* Low power lighting fixtures General Description The HV9921 is a pulse width modul

HV9921 General Description

The HV9921 is a pulse width modulated (PWM) high-efficiency LED driver control IC. It allows efficient operation of LED strings from voltage sources ranging up to 400VDC. The HV9921 includes an internal high voltage switching MOSFET controlled with fixed off-time (TOFF) of approximately 10.5μs. The .

HV9921 Datasheet (469.25 KB)

Preview of HV9921 PDF

Datasheet Details

Part number:

HV9921

Manufacturer:

Supertex

File Size:

469.25 KB

Description:

3-pin switch-mode led lamp driver.

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TAGS

HV9921 3-Pin Switch-Mode LED Lamp Driver Supertex

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