Switching Regulators
  • SC417
    • 10A EcoSpeed™ Integrated FET Regulator with Programmable LDO
  • SC427
    • 10A EcoSpeed™ Integrated FET Regulator with Programmable LDO
  • SC122
    • Low Voltage Synchronous Boost Converter
  • SC121
    • Low Voltage Synchronous Boost Regulator
  • 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 SC417

Semtech SC417

10A EcoSpeed™ Integrated FET Regulator with Programmable LDO

The SC417/SC427 is a stand-alone synchronous EcoSpeed™ buck regulator which incorporates Semtech’s advanced, patented adaptive on-time control architecture to provide excellent light-load efficiency and fast transient response.

For selectable regular power-save see SC427 product page.

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Features


  • Power system:
    • Input voltage — 3V to 28V
    • Integrated bootstrap switch
    • Programmable LDO output — 200mA
    • 1% reference tolerance -40 to +85 °C
    • Selectable internal/external bias power supply
    • EcoSpeed™ architecture with pseudo-fixed frequency adaptive on-time control
  • Logic input/output control
    • Independent control EN for LDO and switcher
    • Programmable VIN UVLO threshold
    • Power good output
    • Selectable ultrasonic/power save methods
  • Protections
    • Over-voltage/under-voltage
    • TC compensated RDS(ON) sensed current limit
    • Thermal shutdown
  • Output capacitor types
    • High ESR — SP, POSCAP, OSCON
    • Ceramic capacitors
  • Package — 5x5mm, 32-pin MLPQ
  • Lead-free and halogen free
  • RoHS and WEEE compliant

Applications


  • Office automation and computing
  • Networking and telecommunication equipment
  • Point-of-load power supplies and module replacement.

Packaging

  • MLPQ-32 5x5mm

Order Codes

  • SC417MLTRT: Lead-Free, RoHS and WEEE Compliant, 3000 pcs Tape and Reel
  • SC427MLTRT: Lead-Free, RoHS and WEEE Compliant, 3000 pcs Tape and Reel