PWM Controllers
  • SC1102
  • Synchronous Voltage-Mode Controller for Distributed Power-Supply Applications
  • SC1103
  • Asynchronous Voltage-Mode PWM Controller for 12 V Input
  • SC1104A
  • Not Recommended For New Designs
  • SC1104B
  • Simple, Synchronous Voltage-Mode PWM Controller
  • SC1109
  • Synchronous PWM Controller With Dual Low-Dropout Regulator Controllers
  • SC1110
  • Sink and Source DC/DC Controller For Termination Power Supply Applications
  • SC1116
  • Linear FET Controller for DDR Supplies
  • SC1175
  • Low-Power Dual Synchronous DC/DC Controller with Current-Sharing Circuitry
Semtech SC418

Semtech SC418

EcoSpeed® DC-DC Buck Controller with Programmable LDO

Add to Watch List

The SC418 is a synchronous EcoSpeed® DC-DC Buck Controller with Programmable LDO buck regulator which incorporates Semtech’s advanced, patented adaptive on-time control architecture to provide excellent light-load efficiency and fast transient response. It features an integrated bootstrap switch and programmable LDO in a 3 x 3mm package.

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 power save mode
    • Programmable ultrasonic power save mode
  • Protections
    • Over-voltage/under-voltage
    • TC compensated RDS(ON) sensed current limit
    • Thermal shutdown
    • Smart power save
  • Output capacitor types
    • High ESR — SP, POSCAP, OSCON
    • Ceramic capacitors
  • Package — 3 x 3mm, 20-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-20

Order Codes

  • SC418ULTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
  • SC418EVB: SC418 Evaluation Board
 
- Close -
Add Product to Watch List

Please login to the mySemtech member site to add products to your personal Watch List.

If you're not registered for mySemtech, please Register now. mySemtech member benefits include pre-filled forms for quick and easy online ordering, technical support, new product information and more.