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UCC28740D

Switching Controllers Constant-VTG-Crnt Flyback Cntlr

Quantity Unit Price(USD) Ext. Price
1 $1.354 $1.35
10 $1.145 $11.45
30 $1.028 $30.84
100 $0.890 $89.00
500 $0.833 $416.50
1000 $0.806 $806.00

Inventory:5,130

*The price is for reference only.
  • 90-day after-sales guarantee
  • 365 Days Quality Guarantee
  • Genuine Product Guarantee
  • 7*24 hours service quarantee

Quick Inquiry

Please submit RFQ for UCC28740D or email to us: Email: [email protected], we will contact you in 12 hours.

Overview of UCC28740D

In addition, the UCC28740D is equipped with robust protection features to safeguard primary and secondary components, ensuring durability and longevity of the power-supply system. With a minimum switching frequency of 170 Hz, the controller achieves less than 10-mW no-load power consumption, making it an energy-efficient solution for a wide range of applications requiring stable and efficient power delivery

Key Features

  • 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
  • Overvoltage, Low-Line, and Overcurrent Protection Functions
  • SOIC-7 Package
  • Create a Custom Design Using the UCC28740 With the WEBENCH® Power Designer

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Control mode Secondary-side regulation UVLO thresholds on/off (V) 21/7.75
Switching frequency (max) (kHz) 100 Features Current limiting, DCM, High voltage startup, High-voltage startup, Light load efficiency, Light-load efficiency, Overcurrent protection, Overvoltage protection, SSR, Secondary-side regulated, Soft start, Valley switching
Operating temperature range (°C) -40 to 125 Rating Catalog
Topology Flyback

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package

    Shipping:For example, FedEx, SF, UPS, or DHL.UPS, or DHL.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

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