Special Functions
  • SC1112
  • Triple Low Dropout Regulator Controllers
  • SC1548
  • Linear FET Controller
  • SC2738
  • Ultra Low Dropout Dual Linear FET Controller
  • SC310
  • High-Side Current-Sense Amplifier with Low Impedance Voltage Output
  • SC338
  • Ultra-Low Output Voltage Dual Linear FET Controller
  • SC338A
  • Ultra-Low Output Voltage Dual Linear FET Controller
  • SC4201
  • Multi-Phase Link Controller
Semtech SC1544

Semtech SC1544

ACPI Controller for Advanced Motherboards

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  • Complete programmable supply for instantly available PC systems
  • Supports 2.5 V memory or 3.3 V memory (-2.5 or -3.3 option in part number)
  • 5 V dual and 3.3 V dual supplies are programmable to be active or inactive in S5
  • Integrated AGP voltage supply with "TYPEDET" signal for 3.3 V or 1.5 V operation
  • Integrated LDO for 1.8 V supply
  • Integrated charge pump removes the need for PMOS FETs, enables single-supply operation
  • Over-current protection on all dual outputs
  • Inherent soft-start capability
  • TSSOP-24 package


  • Instantly available motherboards



Order Codes

  • SC1544TS-2.5TR: Package Minimum Tape & Reel Only
  • SC1544TS-3.3TR: Package Minimum Tape & Reel Only
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