NCP4390
Key Features
- Secondary Side PFM Controller for LLC Resonant Converter with Synchronous Rectifier Control
- Charge Current Control for Better Transient Response and Easy Feedback Loop Design
- Adaptive Synchronous Rectification Control with Dual Edge Tracking
- Closed Loop Soft-Start for Monotonic Rising Output
- Wide Operating Frequency (39 kHz ~ 690 kHz)
- Green Functions to Improve Light-Load Efficiency
- Symmetric PWM Control at Light-Load to Limit the Switching Frequency while Reducing Switching Losses
- Disabling SR at Light-Load Condition
- Protection Functions with Auto-Restart
- Over-Current Protection (OCP)
Applications
- Intelligent 100 W-2 kW+ Off-Line & Industrial Power Supplies
