PWM Controllers
  • SC508A
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC508
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC493
    • EcoSpeed® Step-down Controller with I2C Interface
  • SC419
    • Single Phase DC-DC Converter with Integrated Boost Diode
  • SC418
    • EcoSpeed® DC-DC Buck Controller with Programmable LDO
  • 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
Semtech SC2447

Semtech SC2447

Dual-Phase, Single or Dual Output Synchronous Step-Down Controller

The SC2447 is a versatile high-frequency dual phase PWM step-down controller optimized for Philips and Renesas
DrMOS™.

Features


  • 2-Phase Step-down Controller optimized for Philips or Renesas DrMOS™
  • Out of Phase Operation for Low Input Current Ripple
  • Outputs Source and Sink Current
  • Fixed Frequency Peak Current-Mode Control
  • Lossless Inductor DCR Current Sensing
  • Optional Resistor Current-Sensing for Precise Current-Limit
  • Dual 30A Outputs or 2-Phase 60A Single Output Operation
  • Wide Input Voltage Range: 4.65V to 15V
  • Individual Closed-Loop Soft-Start, Overload Shutdown Timer and Enable
  • Output Voltage as Low as 0.5V
  • Starts into Pre-Bias Output
  • Tri-State PWM Output during Shutdown
  • Programmable Frequency Up to 1MHz Per Phase
  • External Synchronization
  • TSSOP-28 Lead-free Package. Fully WEEE and RoHS Compliant

Applications


  • Telecommunication Power Supplies
  • DDR Memory Power Supplies
  • Graphic Power Supplies
  • Servers and Base Stations

Packaging

TSSOP-28

Order Codes

  • SC2447TSTRT: Lead-Free, RoHS and WEEE Compliant, 2500 pcs.Tape & Reel