UCC28704
Features
- 1 Efficiency Performance Exceeds Do E Level VI and EU Co C V5 Tier-2 External Power Supply Standards
- Primary-Side Regulation Eliminates Opto-Coupler and Secondary Feedback ponents
- patible with Synchronous Rectifier
- Enables <30-m W No-Load Input Power
- ±5% Output Voltage (CV) and Current (CC)
Regulation
- Enhanced Dynamic Load Response
- Constant Current Output Under-Voltage Protection
(CCUV) with Auto-Restart Response
- Cable pensation (300 m V at 5-V Full Load)
- 85-k Hz Maximum Switching Frequency
- DCM Valley-Switching Operation
- Clamped Gate-Drive Output for MOSFET
- NTC Resistor Interface
- Resistor or External HV Depletion-Mode FET
Start-Up
- Fault Protections: Input Low Line, Output Over-
Voltage, Over-Current, and Short-Circuit
- SOT23-6 Package
2 Applications
- Adapters and Chargers for Phones and Tablets
- USB Type-C AC Adapters for Consumer
Electronics
- Low Power AC to DC SMPS
- Industrial and Medical SMPS
+
VAC VAUX NA
Simplified Schematic
VBLK CB1
T1 D1...