LD7837 High Performance Primary Side Flyback LED Controller

Leadtrend

Description

LD7837 04/06/2017 High Performance Primary Side Flyback LED Controller with HV Start-up REV.00 General .
The LD7837 is a high performance primary side Flyback or Buck Boost LED Controller with HV start-up special design for LED lighting.

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Datasheet Specifications

Part number: LD7837
Manufacturer: Leadtrend
File Size: 778.94 KB
Datasheet: LD7837-Leadtrend.pdf
Description: High Performance Primary Side Flyback LED Controller

Features

* High voltage 700V startup circuit
* Primary Side PFC controller
* Optimize THDi Over Wide Universal Range
* High LED Current Accuracy
* Line Regulation 1%
* +/-10% output voltage variation Regulation +/-1%
* ± 5% Inductance variation ± 2%
* Power Saving 0.3W @ No Lo

Applications

* This chip provides High Current Accuracy at full input voltage range form from 85V to 277V Vac. The constant on time PFC control and THDi compensator could easily achieve PF>0.90 and THDi

LD7837 Distributors

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LD7837 High Performance Primary Side Flyback LED Controller Leadtrend

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