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DATA SHEET
UCC25640x LLC Resonant Controller with Ultra-Low Audible Noise and Standby Power
1 Features
- 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
- Integrated high-voltage gate driver with 0.6 A source and 1.2 A sink capability
- Robust capacitive region (ZCS) avoidance scheme
- Over temperature, output over voltage, input
under voltage protection, three levels
of over current protection - Integrated high voltage startup function
- Active X-capacitor discharge function
2 Applications
- SMPS power supply for TV
- Lighting
- AC-DC adapter
- Power tools
- Medical power supply
- Multi-functional printer
- Enterprise and cinema projector
- PC power supply
- Gaming console power supply
![](//collector-Dl82I3Ui.perimeterx.net/api/v1/collector/pxPixel.gif?appId=Dl82I3Ui)