UCC256403 Overview
The UCC25640x is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC controller to provide a plete power system using a minimum of external ponents. The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter.
UCC256403 Key Features
- 1 Optimized low power mode and burst mode algorithm
- Burst mode with Soft-ON and Soft-OFF periods
- Minimized audible noise at no load and standby
- User option to disable burst mode
- Opto-coupler low power operation
- Efficiency performance exceeds DoE Level VI and EU CoC Tier-2 External Power Supply Standards
- Hybrid hysteretic control (HHC)
- Best-in-class transient response
- Fast exit from burst mode
- Robust adaptive dead-time control
UCC256403 Applications
- SMPS power supply for TV