OB3398 Description
FEATURES OB3398 is a primary side regulation off-line LED High Precise Constant Current Regulation at lighting controller which can achieve accurate LED Universal AC input current. It significantly simplifies LED lighting Primary-side Sensing and Regulation Without system design by eliminating the secondary side TL431 and Opto-coupler feedback circuitry. Proprietary Constant Voltage Floating PSR control scheme with...
OB3398 Key Features
- High Precise Constant Current Regulation at
- Primary-side Sensing and Regulation Without
- Floating PSR control scheme with two
- Adjustable Constant Current and Output
- Built-in Primary winding inductance
- Built-in Leading Edge Blanking (LEB)
- Cycle-by-Cycle Current Limiting
- VDD Under Voltage Lockout with Hysteresis
- Over temperature protection (OTP)
- VDD Clamp