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 SC2453

Semtech SC2453

High-Performance Quad-Output Switching Regulator

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  • Two synchronized converters for low noise
  • Power-up sequencing to prevent latch-up
  • Out-of-phase operation for low input ripple
  • Over-current protection
  • Wide input range, 4.5 V to 30 V
  • Programmable frequency up to 700 kHz
  • Two synchronous bucks for high efficiency at high current
  • One dedicated programmable positive linear regulator and one dedicated programmable negative linear regulator
  • Output voltage as low as 0.5 V
  • Small TSSOP-28 package


  • DSL applications with multiple input voltage requirements
  • Mixed-signal applications requiring positive and negative voltages
  • Cable modem power management
  • Base station power management



Order Codes

  • SC2453ITSTR: Package Minimum Tape & Reel Only
  • SC2453ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
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