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UCC28740

Texas Instruments
Part Number UCC28740
Manufacturer Texas Instruments
Description Constant-Current Flyback Controller
Published Apr 25, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community UCC28740 SLUSBF3D – JULY 2013 – R...
Datasheet PDF File UCC28740 PDF File

UCC28740
UCC28740

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community UCC28740 SLUSBF3D – JULY 2013 – REVISED MARCH 2018 UCC28740 Constant-Voltage Constant-Current Flyback Controller Using Optocoupled Feedback 1 Features •1 Less than 10-mW No-Load Power Capability • Optocoupled Feedback for CV, and Primary-Side Regulation (PSR) for CC • Enables ±1% Voltage Regulation and ±5% Current Regulation Across Line and Load • 700-V Startup Switch • 100-kHz Maximum Switching Frequency Enables High-Power-Density Charger Designs • Resonant-Ring Valley-Switching Operation for Highest Overall Efficiency • Frequency Dithering to Ease EMI Compliance • Clamped Gate-Drive Output for MOSFET • ...


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