Description
The UCC2871x family of flyback power supply controllers provides isolated-output Constant-Voltage (CV) and Constant-Current (CC) output regulation without the use of an optical coupler.
UCC28710 VDD HV
VS DRV CBC CS
GND
UDG-12200
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use i
Features
- 1 < 10-mW No-Load Power.
- Primary-Side Regulation (PSR) Eliminates Opto-
Coupler.
- ±5% Voltage and Current Regulation Across Line
and Load.
- 700-V Start-Up Switch.
- 100-kHz Maximum Switching Frequency Enables
High-Power Density Charger Designs.
- Resonant Valley-Switching Operation for Highest
Overall Efficiency.
- Frequency Jitter to Ease EMI Compliance.
- Wide VDD Range Allows Small Bias Capacitor.
- Clamped Gate-Drive Output.
UCC28710-etcTI.pdf