SC2621A: Voltage-Mode PWM Controller With Linear Power Regulator

The SC2621A provides the control and protection features necessary for a synchronous buck converter and a linear regulator in high performance graphic card applications.


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Features

  • 4 V to 25 V power rails
  • Internal LDO for optimum gate drive voltage
  • 1.5 A gate drive current
  • Adaptive non-overlapping gate drives provide shoot-through protection for MOSFETs
  • Programmable output voltages
  • Internal soft start for both outputs
  • Power rail under-voltage lockout
  • Hiccup-mode short circuit protection
  • SOIC-14 package, fully RoHS and WEEE compliant

Diagrams

Typical Application Circuit

SC2621A - Typical Application Circuit

Click diagram to enlarge

Applications

  • Graphics processor power supplies on PCI-Express platform
  • Embedded, low-cost, high-efficiency converters
  • Point-of-load power supplies

Packaging

MLP-16, QSOP-16, SOIC-14

Order Codes
  • SC2621ASTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets