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HV9931

UNITY POWER FACTOR LED LAMP DRIVER

HV9931 Features

* Constant Output Current Large Step-Down Ratio Unity Power Factor Low Input Current Harmonic Distortion Fixed Frequency or Fixed Off-Time Operation Internal 450V Linear Regulator Input and output current sensing www.DataSheet4U.com Input Current limit Enable, PWM and Phase Dimming General Descriptio

HV9931 General Description

The HV9931 is a fixed frequency PWM controller IC designed to control an LED lamp driver using a single-stage PFC buckboost-buck topology. It can achieve a unity power factor and a very high step-down ratio that enables driving a single high-brightness LED from the 85-264VAC input without a need for .

HV9931 Datasheet (496.38 KB)

Preview of HV9931 PDF

Datasheet Details

Part number:

HV9931

Manufacturer:

Supertex

File Size:

496.38 KB

Description:

Unity power factor led lamp driver.

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HV9931 UNITY POWER FACTOR LED LAMP DRIVER Supertex

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