SC1403: Mobile Multi-Output PWM Controller with Lossless Current Sense


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Features

  • 3.3 V and 5 V dual synchronous outputs, resistor programmable to 2.5 V
  • Fixed frequency or PSAVE operation for maximum efficiency over wide load range
  • 5 V / 50 mA linear regulator
  • Virtual Current Sense™ for enhanced stability
  • Lossless current limiting
  • Out of phase switching reduces input capacitance
  • External compensation supports wide range of output filter components
  • Programmable power-up sequence
  • Power-good output
  • Output over-voltage and over-current protection with output under-voltage shutdown
  • 6 µA typical shutdown current
  • 6 mW typical quiescent power
  • TSSOP-28 package

Diagrams

Typical Application Circuit

SC1403 - Typical Application Circuit

Click diagram to enlarge

Applications

  • Notebook and subnotebook computers
  • Tablet PCs
  • Embedded applications

Packaging

TSSOP-28

Order Codes

  • SC1403ITSTR: Package Minimum Tape & Reel Only
  • SC1403ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets