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HV9931 Unity Power Factor LED Lamp Driver

HV9931 Description

HV9931 Unity Power Factor LED Lamp Driver .
The HV9931 is a fixed-frequency PWM controller IC designed to control an LED lamp driver using a single-stage PFC buck-boost-buck topology.

HV9931 Features

* Constant Output Current LED Driver
* 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

HV9931 Applications

* Offline LED Lamps and Fixtures
* Street Lamps
* Traffic Signals

📥 Download Datasheet

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Unity Power Factor LED Lamp Driver Microchip
Microchip HV9931-like datasheet