PWM Controllers
  • SC1102
  • Synchronous Voltage-Mode Controller for Distributed Power-Supply Applications
  • SC1104A
  • Not Recommended For New Designs
  • SC1104B
  • Simple, Synchronous Voltage-Mode PWM Controller
  • SC1109
  • Synchronous PWM Controller With Dual Low-Dropout Regulator Controllers
  • SC1110
  • Sink and Source DC/DC Controller For Termination Power Supply Applications
  • SC1116
  • Linear FET Controller for DDR Supplies
  • SC1175
  • Low-Power Dual Synchronous DC/DC Controller with Current-Sharing Circuitry
  • SC1176
  • Dual Synchronous Voltage-Mode Controller with Current-Sharing Circuitry
Semtech SC1103

Semtech SC1103

Asynchronous Voltage-Mode PWM Controller for 12 V Input

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  • Low cost / small size
  • Switch mode efficiency up to 95%
  • 1% reference voltage accuracy
  • Over-current protection
  • 500 mA output drive
  • 5 V – 12 V input power source
  • SO-8 package


  • Pentium® P55 core supply
  • Low-cost microprocessor supplies
  • Peripheral card supplies
  • Industrial power supplies
  • High-density DC/DC conversion



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