Switching Regulators
  • SC195F
  • 3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
  • SC202F
  • 3.5MHz, 500mA Step-down Regulator with Integrated Inductor
  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC21154
  • Tiny 1.2A Synchronous Buck Regulator with Programmable Soft Start
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284A
  • Dual Channel 2.5MHz, 2.0A Synchronous Buck Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
Semtech SC424

Semtech SC424

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

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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
 
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