• Part: SC171
  • Description: Synchronous Step-Down Regulator
  • Category: Voltage Regulator
  • Manufacturer: SEMTECH
  • Size: 580.42 KB
SC171 Datasheet (PDF) Download
SEMTECH
SC171

Overview

The SC171 is an integrated, synchronous 1A EcoSpeedTM step-down regulator, which incorporates Semtech’s advanced, patented adaptive on-time architecture to achieve best-in-class performance in dynamic point-ofload applications. The input voltage range is 3V to 5.5V with a programmable output voltage from 0.75V up to 95% x VIN.

  • VIN: 3V to 5.5V
  • VOUT: 0.75V to 95% x VIN
  • IOUT: Up to 1A
  • 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