PWM Controllers
  • SC1102
  • Synchronous Voltage-Mode Controller for Distributed Power-Supply Applications
  • SC1103
  • Asynchronous Voltage-Mode PWM Controller for 12 V Input
  • 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
Semtech SC4806

Semtech SC4806

Multiple Function Double Ended PWM Controller

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The SC4806 is a double ended, high speed, highly integrated PWM controller optimized for applications requiring minimum space. The device is easily configurable for current mode or voltage mode operation and contains all the control circuitry required for isolated  applications, where a secondary side error amplifier is used.


  • 90 µA starting current
  • Pulse-by-pulse current limit for both voltage/current modes
  • Programmable operating frequency up to 1MHz
  • Programmable external soft start
  • Programmable line undervoltage lockout
  • Programmable external slope compensation
  • Over current shutdown with separate pin
  • Dual output drive stages on push-pull configuration
  • Programmable mode of operation (peak current mode or voltage mode)
  • External frequency synchronization
  • Bi-phase mode of operation
  • -40 to 105 °C operating temperature
  • Lead free MLP-12 package, WEEE and RoHS compliant


  • Telecom equipment and power supplies
  • Networking power supplies
  • Industrial power supplies
  • Push-pull converter
  • Half bridge converter
  • Full bridge converter
  • Isolated VRMs



Order Codes

  • SC4806MLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
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