Switching Regulators
  • SC4525D
    • 18V, 3A, 350kHz Step-Down Switching Regulator
  • SC4524D
    • 18V 2A Step-Down Switching Regulator
  • SC4524C
    • 28V 2A Step-Down Switching Regulator
  • SC427
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC417
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC410
    • 3A, 24V EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC403
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
Semtech SC4525C

Semtech SC4525C

28V 3A Step-Down Switching Regulator

The SC4525C is a constant frequency peak current-mode step-down switching regulator capable of producing 3A output current from an input ranging from 3V to 28V. The switching frequency of the SC4525C is programmable up to 2MHz, allowing the use of small inductors and ceramic capacitors for miniaturization, and high input/output conversion ratio. The SC4525C is suitable for next generation XDSL modems, high-definition TVs and various point of load applications.

To convert your designs from SC4525A, please refer to our

"SC4525A/B to SC4525C/D Design Guide"

Features


  • Wide input range: 3V to 28V
  • 3A Output Current
  • 200kHz to 2MHz Programmable Frequency
  • Precision 1V Feedback Voltage
  • Peak Current-Mode Control
  • Cycle-by-Cycle Current Limiting
  • Hiccup Overload Protection with Frequency Foldback
  • Soft-Start and Enable
  • Thermal Shutdown
  • Thermally Enhanced 8-pin SOIC Package
  • Fully RoHS and WEEE compliant

Applications


  • XDSL and Cable Modems
  • Set Top Boxes
  • Point of Load Applications
  • CPE Equipment
  • DSP Power Supplies
  • LCD and Plasma TVs

Packaging

  • SOIC-8 EDP

Order Codes

  • SC4525CSETRT: (SOIC-8 EDP) Lead Free, WEEE and RoHS Compliant, Halogen-free, 2,500 pcs, Tape and Reel only.
  • SC4525CEVB: Evaluation Board