PWM Controllers
  • SC508A
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC508
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC493
    • EcoSpeed® Step-down Controller with I2C Interface
  • SC419
    • Single Phase DC-DC Converter with Integrated Boost Diode
  • SC418
    • EcoSpeed® DC-DC Buck Controller with Programmable LDO
  • 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 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