Switching Regulators
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC402B
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC284
    • Dual Channel 2.5MHz, 1.8A Synchronous Step-Down Regulator
  • SC220
    • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC4911
    • Bias/Primary Side PWM Controller with Ultra-Low Start-up Current
  • SC4910B
    • High-Performance Secondary Side Controller with Synchronous Rectifier
  • SC4910A
    • High-Performance Secondary Side Controller with Synchronous Rectifier
  • SC4905B
    • High-Performance Voltage-Mode PWM Controller
Semtech SC401B

Semtech SC401B

15A Integrated FET Regulator with Programmable LDO

The SC401B is a stand-alone synchronous EcoSpeedTM buck power supply which incorporates Semtech’s advanced patented adaptive on-time control architecture.

Features


  • Power System
    • Input voltage — 3V to 17V
    • Bias voltage — 3V to 5.5V LDO or external
    • Up to 96% peak efficiency
    • Integrated bootstrap switch
    • Programmable LDO output — 200mA
    • Reference tolerance — 1% TJ= -40 to +125 °C
    • Programmable soft-start time
  • Logic Input/Output Control
    • Independent EN controls for LDO and switcher
    • Programmable VIN UVLO threshold
    • Power good output
    • Selectable PSAVE or FCM mode
  • Protection
    • Over-voltage and under-voltage
    • TC compensated RDS(ON) sensed current limit
    • Thermal Shutdown
  • Output Capacitor Types
    • High ESR — SP, POSCAP, OSCON
    • Ceramic capacitors
  • Package
    • Lead-free package — 5x5mm, 32-Pin MLPQ
    • RoHS/WEEE compliant and Halogen free

Applications


  • Networking and telecommunication equipment
  • Printers, DSL, and STB applications
  • Embedded systems and power supply modules
  • Point of load power supplies

Packaging

  • MLPQ 32-Pin - 5x5mm

Order Codes

  • SC401BMLTRT