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BP3309 - PSR Single-Stage APFC Offline LED Controller

Description

The BP3309 is a high precision primary-side regulation isolated flyback controller with single-stage Active PFC, specially designed for offline constant current LED lighting.

Features

  • are auto-recovery. Typical.

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Datasheet preview – BP3309

Datasheet Details

Part number BP3309
Manufacturer BPS
File Size 366.19 KB
Description PSR Single-Stage APFC Offline LED Controller
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Full PDF Text Transcription

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BP3309 PSR Single-Stage APFC Offline LED Controller Description The BP3309 is a high precision primary-side regulation isolated flyback controller with single-stage Active PFC, specially designed for offline constant current LED lighting. The controller with on-chip PFC circuit operates in critical conduction mode to achieve high power factor and reduce the power MOSFET switching loss. Using proprietary current sensing scheme, the controller can precisely control the LED current without secondary side sense and feedback circuit including opto-coupler. It uses source driver architecture and patent pending internal charging circuit for low primary side switching loss, ultra fast VCC startup and LED turn on.
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