UCC28911
Features
- 1 Constant-Voltage (CV) and Constant-Current (CC) Output Regulation Without Optical-Coupler
- ±5% Output Voltage Regulation Accuracy
- ±5% Output Current Regulation With AC Line and
Primary Inductance Tolerance pensation
- 700-V Start-Up and Smart Power Management
Enables <30-m W Standby Power
- 115-k Hz Maximum Switching Frequency Design for High-Power Density
- Valley Switching and Frequency Dithering to Ease
EMI pliance
- Thermal Shut Down
- Low Line and Output Over-Voltage Protection
2 Applications
- Home and Building Automation
- Power Metering Bias
- Bias Power for Smoke Alarm, Fire Alarm and
Thermostat
- Wall Adapters, Chargers for Mobile Phones
- Smart plug, Io T, MCU and Wi Fi Power
- Aux power for TV, Server, White Goods
- LED Lighting
3 Description
The UCC28910 and UCC28911 are high-voltage flyback switchers that provide output voltage and current regulation without the use of an optical coupler. Both devices incorporate a 700-V power FET and a controller that...