UCC28704 Description
The UCC28704 Off-line flyback controller is a highly integrated, 6-pin primary-side regulated PWM controller for designing high efficiency AC-to-DC power supplies with low standby power consumption to ply with global efficiency standards. The controller has ultra-low current consumption at startup to enable designs with <30-mW no-load input power and save standby mode energy consumption. Intelligent primary-side...
UCC28704 Key Features
- 1 Efficiency Performance Exceeds DoE Level VI and EU CoC V5 Tier-2 External Power Supply Standards
- Primary-Side Regulation Eliminates Opto-Coupler and Secondary Feedback ponents
- patible with Synchronous Rectifier
- Enables <30-mW No-Load Input Power
- ±5% Output Voltage (CV) and Current (CC)
- Enhanced Dynamic Load Response
- Constant Current Output Under-Voltage Protection
- Cable pensation (300 mV at 5-V Full Load)
- 85-kHz Maximum Switching Frequency
- DCM Valley-Switching Operation
UCC28704 Applications
- Adapters and Chargers for Phones and Tablets
- USB Type-C AC Adapters for Consumer
- Low Power AC to DC SMPS