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TB9931 - Unity Power Factor LED Lamp Driver

This page provides the datasheet information for the TB9931, a member of the TB9931-Top Unity Power Factor LED Lamp Driver family.

Datasheet Summary

Features

  • ± Constant output current ± Large step-down ratio ± Unity power factor ± Low input current harmonic distortion ± Fixed frequency or fi xed off-time operation ± Internal 450V linear regulator ± Input and output current sensing ± Input current limit ± Enable, PWM and phase dimming.

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Datasheet preview – TB9931

Datasheet Details

Part number TB9931
Manufacturer Top-Best
File Size 171.01 KB
Description Unity Power Factor LED Lamp Driver
Datasheet download datasheet TB9931 Datasheet
Additional preview pages of the TB9931 datasheet.

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Full PDF Text Transcription

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TB9931 Unity Power Factor LED Lamp Driver Description Features ± Constant output current ± Large step-down ratio ± Unity power factor ± Low input current harmonic distortion ± Fixed frequency or fi xed off-time operation ± Internal 450V linear regulator ± Input and output current sensing ± Input current limit ± Enable, PWM and phase dimming Applications ± Offl ine LED lamps and fi xtures ± Street lamps ± Traffi c signals ± Decorative lighting General Description The TB9931 is a fi xed frequenc
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