References
  • SC431
  • Adjustable Shunt Regulator
  • SC431L
  • Low Voltage Adjustable Shunt Regulator
  • SC4437
  • Wide Input Voltage Range Precision Voltage Reference
Semtech SC4431

Semtech SC4431

Shunt Regulator With Open Collector Output

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Features


  • Open collector output drives Optoisolator with as little as 1.5 V input voltage
  • Trimmed bandgap design – initial accuracies to ± 0.5%
  • 40 mA drive capability
  • Regulates output as low as 50 mV
  • Wide supply voltage range: 1.5 V to 15 V
  • Low supply current: typically 110 µA
  • Full industrial temperature range
  • SOT-23 5-lead package

Applications


  • Telecom power supplies
  • Opto driver for very low output voltage (1.5 V) isolated power supplies
  • Battery-operated applications
  • Point-of-use power supplies

Packaging

SOT-23-5

Order Codes

  • SC4431CSK-.5TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only - Not Recommended for New Designs
  • SC4431CSK-1 TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
  • SC4431CSK-2TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
 
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