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 SC4910A

Semtech SC4910A

High-Performance Secondary Side Controller with Synchronous Rectifier

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  • Synchronous rectification with adaptive control
  • Programmable secondary side delay
  • Programmable switching frequency
  • Programmable max. duty cycle
  • Remote voltage sense capability
  • Close-loop soft start with active-low shutdown
  • 0.75 V precision reference for low-output applications
  • Oscillator sychronization
  • Under-voltage lockout
  • Operation to 1 MHz
  • Current-mode or voltage-mode operation
  • Single-stage power conversion with multiphase link capability (with SC4201)
  • Monotonic start-up with pre-biased output
  • Active current-sharing capability
  • 9 V typical start-up threshold
  • 20-pin TSSOP package


  • Telecom isolated DC to DC converters
  • Isolated VRMS
  • Networking power supplies
  • Industrial power supplies
  • Distributed power architectures
  • High-density power modules



Order Codes

  • SC4910AITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
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