• SC1102
  • 同步电压模式控制器,用于分布式电源应用
  • SC1103
  • 异步电压模式PWM控制器,12 V输入。
  • SC1104A
  • Not Recommended For New Designs
  • SC1104B
  • 简单,同步电压模式PWM控制器
  • SC1109
  • 同步PWM控制器的双低压差稳压器控制器
  • SC1110
  • 接收器和源的直流/直流电源控制器终止应用程序
  • SC1116
  • 为DDR供应 Linear FET的线性控制器
  • SC1175
  • 低功耗双同步DC-DC控制器和电流共享电路
Semtech SC2441

Semtech SC2441

Very Low Input Voltage 2-Phase Synchronous Step-Down Controller with Step-Up Converter



  • 2-phase synchronous step-down controller
    • 2-phase synchronous continuous conduction mode for high-efficiency step-down converters
    • Out-of-phase operation for low input current ripples
    • Operates up to 1 MHz per channel
    • Configurable dual outputs or 2-phase single-output operation with peak current-mode control
    • Excellent current sharing between phases
    • Wide input voltage range: 1.8 V to 15 V
    • Duty cycle up to 90%
    • 0.5 V feedback voltages for low-voltage outputs
    • Precision 50 mV current-limit threshold
    • Patented Combi-Sense™ technique for high SNR of current-sensing
    • Individual soft-start, overload shutdown and enable
  • Step-up regulator
    • Wide input voltage range: 1.8 V to 15 V
    • Operates at twice the individual channel frequency of the buck controllers
    • 0.3 V VCESAT switch at 1 A
    • Fixed frequency with current-mode control
  • Common features
    • External synchronization
    • Industrial temperature range
    • TSSOP-28 package


  • Low-voltage distributed DC-DC converters
  • Telecommunication power supplies
  • Servers and base stations



Order Codes

  • SC2441ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
- 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.