Switching Regulators
  • SC120
    • Low Voltage Synchronous Boost Converter
  • SC183C
    • 2.5MHz, 2A Synchronous Step-Down Switching Regulator
  • SC189
    • 2.5MHz, 1.5A Synchronous Step Down Switching Regulator in MLPD2X2
  • SC417
    • 10A Integrated FET Regulator with Programmable LDO and Selectable Ultrasonic Power-Save
  • SC427
    • 10A Integrated FET Regulator with Programmable LDO and Selectable Regular Power-Save
  • SC561
    • Dual Output Low Noise LDO Linear Regulator
  • SC810
    • Single Input/Single Mode Single-cell Li-ion Battery Charger
  • SCDAS4F
    • Standard Recovery, High Current Center Tap and Doubler Rectifier Assemblies
Semtech SC2646B

Semtech SC2646B

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

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

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