Switching Regulators
  • SC195F
  • 3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
  • SC202F
  • 3.5MHz, 500mA Step-down Regulator with Integrated Inductor
  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC21154
  • Tiny 1.2A Synchronous Buck Regulator with Programmable Soft Start
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284A
  • Dual Channel 2.5MHz, 2.0A Synchronous Buck Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
Semtech SC2440

Semtech SC2440

2.5MHz Dual Switching Regulator w/ Integrated 2A Switches

Add to Watch List

Not Recommended for New Designs - Please Use SC2440A 

The SC2440 is an adjustable frequency dual current-mode switching regulator with 2A integrated switches. Its high frequency operation allows the use of small inductors and capacitors, resulting in very compact power supplies.


  • Up to 2.5 MHz/Channel Programmable Switching Frequency
  • Fixed Frequency Current-mode Control
  • Wide Input Voltage Range 2.8V to 20V
  • Out of Phase Switching Reduces Ripple
  • Cycle-by-cycle Current-limiting
  • Independent Shutdown/soft-start Pins
  • Independent Hiccup Overload Protection
  • Independent Power-Good Indicators
  • Two 2A Integrated Switches
  • External Synchronization
  • Thermal Shutdown
  • Thermally Enhanced 16-pin TSSOP Package


  • XDSL and Cable Modems
  • Set-Top Boxes
  • Point of Load Applications
  • CPE Equipment
  • DSP Power Supplies
  • Disk Drives



Order Codes

  • SC2440TETRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
  • SC2440EVB: SC2440 Evaluation Board
- Close -
Add Product to Watch List

Please login to the mySemtech member site to add products to your personal Watch List.

If you're not registered for mySemtech, please Register now. mySemtech member benefits include pre-filled forms for quick and easy online ordering, technical support, new product information and more.