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AMS1117-2.5V,1A,SOT-223 Voltage Regulator IC

AMS1117-2.5V, 1A, SOT-223 Voltage Regulator IC is a series of low dropout three -terminal regulators with a dropout of 2.5V at 1A load current. AMS 1117 features a very low standby current 2mA compared to 5mA of a competitor. Other than a fixed version, Vout = 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V, and 12V, AMS1117 has an adjustable version, which can provide an output voltage from 1.25 to 12V with only two external resistors.


  • Low dropout voltage
  • Load regulation: 0.2% typical
  • Optimized for Low Voltage
  • On-chip thermal limiting
  • Built-in thermal shutdown
  • Good noise rejection
  • Standard SOT-223 and TO-252 packages
  • Three-terminal adjustable or fixed low dropout


  • High-Efficiency Linear Regulators
  • Post Regulators for Switching Supplies
  • 5V to 3.3V Linear Regulator
  • Battery Chargers
  • Active SCSI Terminators
  • Power Management for Notebook
  • Battery Powered Instrumentation

Datasheet: Download

Package Content:

1 x AMS1117-2.5V, 1A, SOT-223 Voltage Regulator IC

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