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DIO8850 - Single Stage Buck PFC Controller

Description

The DIO8850 is a single stage Buck PFC controller targeting at LED lighting applications.

It drives the Buck converter in the quasi-resonant mode to achieve higher efficiency.

It keeps the Buck converter inconstant on time operation to achieve high power factor.

Features

  • Valley turn-on of the MOSFET to achieve low switching losses 0.3V current sense reference voltage leads to a lower sense resistance thus a lower conduction loss Low start up current: 15µA typical Reliable short LED and Open LED protection Power factor >0.9 Compact package: SOT23-6.

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Datasheet Details

Part number DIO8850
Manufacturer DIOO MICROCIRCUITS
File Size 404.91 KB
Description Single Stage Buck PFC Controller
Datasheet download datasheet DIO8850 Datasheet
Additional preview pages of the DIO8850 datasheet.

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Full PDF Text Transcription

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DIO8850 Single Stage Buck PFC Controller for LED Lighting Rev 1.5 Features Valley turn-on of the MOSFET to achieve low switching losses 0.3V current sense reference voltage leads to a lower sense resistance thus a lower conduction loss Low start up current: 15µA typical Reliable short LED and Open LED protection Power factor >0.9 Compact package: SOT23-6 Descriptions The DIO8850 is a single stage Buck PFC controller targeting at LED lighting applications. It drives the Buck converter in the quasi-resonant mode to achieve higher efficiency. It keeps the Buck converter inconstant on time operation to achieve high power factor. Applications LED Lighting Down light Tube lamp & PAR lamp &Bulb lamp Block Diagram www.dioo.com © 2016 DIOO MICROCIRCUITS CO., LTD DIO8850• Rev. 1.
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