• SC431
  • Adjustable Shunt Regulator
  • SC431L
  • Low Voltage Adjustable Shunt Regulator
  • SC4431
  • Shunt Regulator With Open Collector Output
Semtech SC4437

Semtech SC4437

Wide Input Voltage Range Precision Voltage Reference

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The SC4437 is a low power precision series bandgap reference device. It accepts wide input voltage range VOUT +0.9V to 28V and generates stable output voltage with superior accuracy and low drift over operating temperatures. The SC4437 is ideal for battery powered systems where there can be wide variations in supply voltage and a need to minimize power dissipation.


  • VIN Voltage Range: VOUT + 0.9V  to 28V
  • VOUT: Fixed 3.3V
  • VOUT High Accuracy ( ±1% ) over -40°C to 125°C
  • VOUT Low Temperature Coe#  cient
  • Output Current up to 20mA
  • Low (< 160μA) Quiescent Current
  • Stable without Compensation Capacitor
  • Available with Compact, Surface  Mount  SOT-23 Package
  • Pb-Free,  Halogen Free, RoHS/WEEE compliant product


  • Bias Supplies
  • High Accuracy Micropower Supplies
  • Data Acquisition Systems
  • Medical Devices
  • Portable Battery Powered Equipment
  • Test Equipment
  • Automotive and Industrial



Order Codes

  • SC4437SK-3.3TRT: Pb-Free, Halogen Free, RoHS/WEEE compliant, 3000 pcs Tape and Reel Only
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