Switching Regulators
  • SC4525D
    • 18V, 3A, 350kHz Step-Down Switching Regulator
  • SC4525C
    • 28V 3A Step-Down Switching Regulator
  • SC4524D
    • 18V 2A Step-Down Switching Regulator
  • SC4524C
    • 28V 2A Step-Down Switching Regulator
  • SC417
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC410
    • 3A, 24V EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC403
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
Semtech SC427

Semtech SC427

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 ultrasonic power-save see SC417 product page.

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

  • SC427MLTRT: Lead-free, WEEE and RoHS Compliant, 3000 pcs, Tape and Reel Only
  • SC427EVB: SC427 Evaluation Board