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Semtech SC4212L

Semtech SC4212L

High PSRR, Very Low Input, Very Low Dropout, 1A Linear Regulator

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The SC4212L is a high performance linear regulator designed for applications requiring very low dropout voltage at load currents up to 1 Ampere. It operates with VIN as low as 1.6V and up to 6V, making it useful for a wide range of different applications and rails. The output voltage is programmable down to 0.5V, set via an external resistor divider, or to a fixed setting of 0.5V depending upon how the FB pin is configured.


  • Input Voltage Range from 1.6V to 6.0V
  • 150mV Maximum Dropout @ 1A
  • Adjustable Output from 0.5V with ± 1% Accuracy
  • High PSRR (76dB Typical at 1.8Vin to 0.5Vo, 1A)
  • Noise Bypass Pin
  • Programmable Soft-Start
  • 12μA Quiescent Current in Shutdown
  • Enable Input
  • Power Good Indicator
  • Over Current and Over Temperature Protection
  • Reverse Blocking from Output to Input
  • Full Industrial Temperature Range
  • 3mm x 3mm x 1mm MLPD-8 Package
  • Fully WEEE and RoHS Compliant


  • Telecom and Networking Cards
  • Motherboards and Peripheral Cards
  • Industrial Applications
  • Wireless Infrastructure
  • Medical Equipment


  • 3mm x 3mm x 1mm MLPD-8 - tape and reel only (3,000 devices)

Order Codes

  • SC4212MLTRC - Fully WEEE and RoHS Compliant
  • SC4212LEVB
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