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BP3319MB - PSR Single-Stage APFC Offline LED Controller

Description

The BP3319MB 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.

📥 Download Datasheet

Datasheet Details

Part number BP3319MB
Manufacturer BPS
File Size 451.30 KB
Description PSR Single-Stage APFC Offline LED Controller
Datasheet download datasheet BP3319MB Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
BP3319MB PSR Single-Stage APFC Offline LED Controller Description The BP3319MB 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 BP3319MB 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.
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