PWM控制器
  • 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

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Features


  • 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

Applications


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

Packaging

TSSOP-28

Order Codes

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