• Part: OB339F
  • Description: High Precision Off-line Primary-Side PWM Power Switch
  • Manufacturer: On-Bright
  • Size: 777.05 KB
OB339F Datasheet (PDF) Download
On-Bright
OB339F

Description

OB339F is a primary side regulation off-line LED lighting controller which can achieve accurate LED current.

Key Features

  • High Precise Constant Current Regulation at Universal AC input
  • Primary-side Sensing and Regulation Without TL431 and Opto-coupler
  • Programmable CC Regulation
  • Adjustable Constant Current and Output
  • Built-in Secondary Constant Current Control
  • Built-in Adaptive Current Peak Regulation
  • Built-in Primary winding inductance
  • Power on Soft-start
  • Built-in Leading Edge Blanking (LEB)
  • Cycle-by-Cycle Current Limiting

Applications

  • LED applications