Switching Regulators
  • SC4525D
  • 18V, 3A, 350kHz Step-Down Switching Regulator
  • SC4525C
  • 28V 3A 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
Semtech SC2440

Semtech SC2440

2.5MHz Dual Switching Regulator w/ Integrated 2A Switches

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-up 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