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HV9931 UNITY POWER FACTOR LED LAMP DRIVER

HV9931 Description

HV9931 Initial Release 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 buckboost-buck topology.

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 Applications

* Offline LED Lamps and Fixtures Street lamps Traffic Signals Decorative Lighting Typical Application Circuit D1 VIN D4 L1 C1 D2 L2 CIN ~AC ~AC RS1 Q1 D3 RS2 VO + Rref1 RCS1 RCS2 HV9931 RT VIN GATE CS1 GND RT PWMD CS2 VDD C2 Rref2 NR081505 1 Ordering Information Package Options DEVICE 8

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Preview of HV9931 PDF
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Datasheet Details

Part number
HV9931
Manufacturer
Supertex
File Size
496.38 KB
Datasheet
HV9931_Supertex.pdf
Description
UNITY POWER FACTOR LED LAMP DRIVER

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📌 All Tags

UNITY POWER FACTOR LED LAMP DRIVER Supertex
Supertex HV9931-like datasheet