Switching Regulators
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC402B
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC401B
    • 15A 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
Semtech SC424

Semtech SC424

6A Integrated FET Regulator with 5V LDO and Selectable Regular Power-Save

The SC424 is a stand-alone synchronous buck power supply. It features integrated power MOSFETs, a bootstrap switch, and a 5V LDO in a spacesaving MLPQ- 4x4mm 28-pin package. Press Release . . .

For selectable ultrasonic power-save see SC414 product page.

Features


  • Input voltage - 3V to 28V
  • Internal power MOSFETs - 6A
  • Integrated bootstrap switch
  • Smart power-save protection
  • Integrated 5V, 150mA LDO with bypass capability
  • TC compensated RDS(ON) sensed current limit
  • Pseudo-fixed frequency adaptive on-time control
  • Designed for use with ceramic capacitors
  • Programmable VIN UVLO threshold
  • Independent enable for switcher and LDO
  • Selectable power-save (SC424)
  • Internal soft-start and soft-shutdown at output
  • Internal reference - 1% tolerance
  • Over-voltage/under-voltage fault protection
  • Power good output
  • SmartDrive™
  • Lead-free 4x4mm, 28 Pin MLPQ package
  • Fully WEEE and RoHS compliant

Applications


  • Notebook, desktop, tablet, and server computers
  • Networking and telecommunication equipment
  • Printers, DSL, and STB applications
  • Embedded applications
  • Power supply modules
  • Point of load power supplies

Packaging

MLPQ-28 4x4mm

Order Codes

  • SC424MLTRT: Lead-free, WEEE and RoHS Compliant, 3000 pcs, Tape and Reel Only
  • SC424EVB: SC424 Evaluation Board