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Semtech SC2440A

Semtech SC2440A

Dual 30V Step-Down Switching Regulator with 2A Switches

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The SC2440A is a constant frequency dual current-mode step-down regulator with integrated 30V switches. It produces two independent outputs from a common input power supply. Channel switching frequency can be programmed up to 2.5MHz. The two regulators switch in opposite phase, reducing input ripple current. As a result, a smaller input filtering capacitor can be used.


  •  Wide Input Voltage Range: 2.8V to 30V
  • Two Integrated 2A Switches
  • Up to 2.5MHz per Channel Programmable Constant Switching Frequency
  • Out of Phase Switching Reduces Input Ripple
  • Both Switching Regulators share a single Input Filtering Capacitor, Reducing Cost
  • External Synchronization
  • Cycle-by-Cycle Current-limiting
  • Independent Soft-Start/Enable Pins
  • Independent Hiccup Overload Protection
  • Power Good Indicators Ease Output Sequencing
  • Low Shutdown Current
  • Thermally Enhanced 16-pin TSSOP Lead Free Package
  • Fully WEEE and RoHS Compliant


  • XDSL and Cable Modems
  • Point of Load Applications
  • Security Cameras


  • TSSOP-16 EDP

Order Codes

  •  SC2440ATETRT - Device is WEEE and RoHS compliant, Tape & Reel, 2,500 pcs.
  • SC2440AEVB - Device is WEEE and RoHS compliant, Tape & Reel, 2,500 pcs.
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