Switching Regulators
  • SC4525D
    • 18V, 3A, 350kHz Step-Down Switching Regulator
  • SC4525C
    • 28V 3A Step-Down Switching Regulator
  • SC4524D
    • 18V 2A Step-Down Switching Regulator
  • SC4524C
    • 28V 2A Step-Down Switching Regulator
  • SC427
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC417
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC410
    • 3A, 24V EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
Semtech SC173

Semtech SC173

3A EcoSpeed® Synchronous Step-Down Regulator with Optional Ultrasonic Power Save

The SC173 is an integrated, synchronous 3A EcoSpeed® step-down regulator, which incorporates Semtech’s advanced, patented adaptive on-time architecture to achieve best-in-class performance in dynamic point-of load applications.

For 4A EcoSpeed Synchronous Step-Down Regulator, see SC174 product page.

Features


  • VIN: 3V to 5.5V
  • VOUT: 0.75V to 95% x VIN
  • IOUT: Up to 3A
  • Low RDS(ON) Switches
    • Up to 95% Peak Efficiency
  • High Output Accuracy
  • Small Ceramic Capacitors
  • Power Good Pin (Open-Drain)
  • Patented Adaptive On-Time Control:
    • Excellent Transient Response
    • Programmable Pseudo-fixed Frequency
  • Fault Protection Features:
    • Cycle-by-Cycle Current Limit
    • Short Circuit Protection
    • Over and Under Output Voltage Protection
    • Over-Temperature
  • Internal Soft start
  • Ultrasonic Power Save
  • Smart Power Save
  • Ultra-Small Lead-Free 3x3mm, 10-Pin MLPD Package
  • Fully WEEE and RoHS Compliant

Applications


  • Networking Equipment, Embedded Systems
  • Medical Equipment, Office Automation
  • Instrumentation, Portable Systems
  • Consumer Devices (DTV, Set-top Box, ... )
  • 5V POL Converters

Packaging

  • MLPD-10 3x3

Order Codes

  • SC173MLTRT - 3000 pcs, Tape and Reel, WEEE and RoHS Compliant
  • SC173EVB: SC173 Evaluation Board