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