SC4524B: 16V 2A Step-Down Switching Regulator

The SC4524B is a constant frequency peak current-mode step-down switching regulator capable of producing 2A output current from an input ranging from 3V to 16V. The switching frequency of the SC4524B is programmable up to 2MHz, allowing the use of small inductors and ceramic capacitors for miniaturization, and high input/output conversion ratio.


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Features

  • Wide input range: 3V to 16V
  • 2A 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

Diagrams

Typical Application Circuit

SC4524B - Typical Application Circuit

Click diagram to enlarge

Efficiency Curve

SC4524B - Efficiency Curve

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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
  • SC4524BSETRT: Lead-Free, RoHS and WEEE Compliant, 2500 pcs.Tape & Reel
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets