UNITY POWER FACTOR LED LAMP DRIVER

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

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HV9931 Unity Power Factor LED Lamp Driver

文件：717.08 Kbytes 页数：8 Pages

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HV9931 Unity Power Factor LED Lamp Driver

文件：512.69 Kbytes 页数：7 Pages

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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. 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 Constant output current\nLarge step-down ratio\nUnity power factor\nLow input current harmonic distortion\nFixed frequency or fixed off-time operation\nInternal 450V linear regulator \nInput and output current sensing\nInput current limit\nEnable, PWM and phase dimming;

Microchip

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HV9931 Unity Power Factor LED Lamp Driver

文件：717.08 Kbytes 页数：8 Pages

SUTEX

HV9931 Unity Power Factor LED Lamp Driver

文件：512.69 Kbytes 页数：7 Pages

SUTEX

HV9931 Unity Power Factor LED Lamp Driver

文件：512.69 Kbytes 页数：7 Pages

SUTEX

HV9931 Unity Power Factor LED Lamp Driver

文件：717.08 Kbytes 页数：8 Pages

SUTEX

Package：8-SOIC（0.154"，3.90mm 宽）；包装：管件 类别：集成电路（IC） LED 驱动器 描述：IC LED DRIVER OFFL PWM 8SOIC

Microchip

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