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 SC4809B

Semtech SC4809B

High-Performance Current-Mode PWM Controller

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Features


  • Operation to 1 MHz
  • Accurate programmable maximum duty cycle
  • Line voltage monitoring
  • External frequency synchronization
  • Bi-phase mode of operation for low ripple
  • Under 100 µA start-up current
  • Accessible reference voltage
  • VDD under-voltage lockout
  • -40°C to 105°C operating temperature
  • 10-lead MSOP package

Applications


  • Telecom equipment and power supplies
  • Networking power supplies
  • Power over LAN applications
  • Industrial power supplies
  • Isolated power supplies

Packaging

MSOP-10

Order Codes

  • SC4809BIMSTR: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
  • SC4809BIMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
 
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