Special Functions
  • SC1112
    • Triple Low Dropout Regulator Controllers
  • SC1544
    • ACPI Controller for Advanced Motherboards
  • 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
  • SH3000
    • MicroBuddy® Low-Power Programmable Multifunction Support IC for Microcontrollers
  • SH3001
    • MicroBuddy® Real-Time Clock and Clock Management support IC for microcontrollers
  • SH3002
    • MicroBuddy® Reset Management and Clock Management support IC for microcontrollers
  • SH3003
    • MicroBuddy® Support IC for Microcontrollers
  • SH3100
    • MicroBuddy® Supervisory IC with I2C Interface and PWM
  • SC561
    • Dual Output Low Noise LDO Linear Regulator
  • SC810
    • Single Input/Single Mode Single-cell Li-ion Battery Charger
  • SCDAS4F
    • Standard Recovery, High Current Center Tap and Doubler Rectifier Assemblies
Semtech SC1544

Semtech SC1544

ACPI Controller for Advanced Motherboards

Features


  • 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

Applications


  • Instantly available motherboards

Packaging

TSSOP-24

Order Codes

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