BP3319 Datasheet PDF (PSR Single-Stage APFC Offline LED Controller)

BP3319 - PSR Single-Stage APFC Offline LED Controller

Description

The BP3319 is a high precision primary-side regulation PWM controller with single stage Active PFC, specially designed for universal input offline flyback or buck-boost constant current LED lighting.

The controller with on-chip PFC circuit achieves high power factor and low THD.

Features

Single-Stage Active PFC for High Power Factor and Low THD.
Primary Side Control Constant Current Operation, No Opto-Coupler required.
±3% LED Current Accuracy.
Excellent Line and Load Regulation.
Critical Conduction Mode Operation.
Ultra-Low (33uA) Startup Current.
High Resistance Feedback Resistor for Improved Efficiency.
LED Open and Short Circuit Protection.
CS Resistor Open Circuit Protection.
Cycle-by-Cycle Current Limit.
VCC Over-volt.

Datasheet Details

Part number	BP3319
Manufacturer	BPS
File Size	404.09 KB
Description	PSR Single-Stage APFC Offline LED Controller
Datasheet	BP3319 Datasheet
Additional preview pages of the BP3319 datasheet.

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Full PDF Text Transcription

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BP3319 PSR Single-Stage APFC Offline LED Controller Description The BP3319 is a high precision primary-side regulation PWM controller with single stage Active PFC, specially designed for universal input offline flyback or buck-boost constant current LED lighting. The controller with on-chip PFC circuit achieves high power factor and low THD. Operating in critical conduction mode, the power MOSFET switching loss is reduced and the inductor is fully utilized. The BP3319 adopts proprietary primary side current sensing scheme. It can precisely control the LED current without secondary side sense and feedback circuits. The system size and cost are optimized, as well as the system reliability.

Published: Nov 7, 2014 |