UCC28700
Features
- 1 < 30-m W No-Load Power for 5-Star Rating
- Primary-Side Regulation (PSR) Eliminates Opto-
Coupler
- ±5% Voltage and Current Regulation
- 130-k Hz Maximum Switching Frequency Enables
High-Power Density Charger Designs
- Quasi-Resonant Valley-Switching Operation for
Highest Overall Efficiency
- Patent-Pending Frequency-Jitter Scheme to Ease
EMI pliance
- Wide VDD Range Allows Small Bias Capacitor
- Clamped Gate-Drive Output for MOSFET
- Protection Functions: Overvoltage, Low-Line, and
Overcurrent
- Programmable Cable pensation (UCC28700
Only)
- NTC Resistor Interface (UCC28701, UCC28702 and UCC28703 Only) With Fixed Cable pensation Options
- SOT-23 Package
2 Applications
- USB-pliant Adapters and Chargers for Consumer Electronics (Cell Phones, Tablets and Cameras)
- AC and DC Power Supplies
3 Description
The UCC28700 family of flyback power supply controllers provides Constant-Voltage (CV) and Constant-Current (CC) output regulation without the use of an optical coupler. The...
