OB3663 Description
The OB3663 is a high performance single stage AC/DC fly-back controller for dimmable LED luminaires. The OB3663 integrates advanced digital processing core to eliminate visible flicker. OB3663 offers fast startup.
OB3663 Key Features
- Primary-Side Control with Single Stage PFC Topology
- No visible flicker
- No bleeder design
- Total harmonic distortion <20% with PF>0.9
- Fast startup time (<0.5s without dimmer)
- Transition Mode (TM) operation to achieve
- High current accuracy
- Source driving operation mode
- Cycle-by-Cycle Current Limiting (OCP)
- VDD Over Voltage Protection