• Part: UCC28712
  • Description: Constant-Current Controller
  • Manufacturer: Texas Instruments
  • Size: 1.73 MB
UCC28712 Datasheet (PDF) Download
Texas Instruments
UCC28712

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.

Key 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 pliance
  • Wide VDD Range Allows Small Bias Capacitor
  • Clamped Gate-Drive Output for MOSFET
  • Overvoltage, Low-Line, and Overcurrent Protection Functions

Applications

  • Standby Supply for TV and Desktop