SC2646B: 2, 3 or 4 Phase Combi-Sense™ PWM Controller


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Features

  • VRD/VRM10.X compliant
  • Core voltage set point accuracy 0.5%
  • Combi-Sense™ current mode control
  • Intrinsic phase current matching
  • Fast transient responses
  • Active droop to meet load line slope
  • Enable function for power sequencing
  • Cycle-by-cycle peak current limit
  • Intelligent over-current shutdown
  • Over-voltage protection when using Semtech Combi-Sense™ driver SC1211
  • Under-voltage protection built in
  • External programmable soft start
  • Externally programmable switching frequency
  • 2, 3, or 4-phase configurations
  • 24-pin TSSOP package

Diagrams

Typical Application Circuit

SC2646B - Typical Application Circuit

Click diagram to enlarge

Applications

  • Voltage regulator VRD/VRM10.X
  • Voltage regulation modules
  • High-current, low-voltage step-down DC/DC converters

Packaging

TSSOP-24

Order Codes
  • SC2646BTSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets