概览

The SC508/SC508A is a 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.

封装

  • MLPQ 20-pin 3 x 3(mm)

订购代码

  • SC508ULTR - Lead-free packaging only. Device is WEEE and RoHS compliant and halogen-free
  • SC508AULTRT - Lead-free packaging only. Device is WEEE and RoHS compliant and halogen-free

PB Free/ROHS

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功能

  • Power system
    • Input voltage — 4.5V to 46V
    • Integrated bootstrap switch
    • Fixed 5V 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 and output control
    • Independent control EN for LDO and switcher
    • Programmable soft-start time
    • Programmable VIN UVLO threshold
    • Power Good output
    • Selectable power-save mode
    • Programmable ultrasonic power-save mode
  • Protections
    • Automatic restart on fault shutdown
    • Over-voltage and under-voltage
    • TC compensated RDS(ON) sensed current limit
    • Thermal shutdown
    • Smart power-save
    • Pre-bias start-up
  • Capacitor types: SP, POSCAP, OSCON, and ceramic
  • Package — 3 x 3(mm), 20-pin MLPQ
  • Lead-free and halogen-free
  • RoHS and WEEE compliant
  • AEC-Q100 Qualified available in SC508A

应用

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

Inventory

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