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

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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.

Features


  • 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

Applications


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

Packaging

TSSOP-16 EDP

Order Codes

  • SC2440TETRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
  • SC2440EVB: SC2440 Evaluation Board
 
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