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1A Low Dropout Positive Voltage Regulator

BIT1117 series fixed output regulators are designed to provide 1A output current. All internal circuitry is designed to operate down to 1.3V input to output differential. On-chip trimming adjusts the reference voltage to 1.8%. Current limit of typical value of 1.5A allows to minimize the stress on both regulator and power source circuitry under overload conditions.


  • Dual comparators with two outputs
  • 1.5V to 10V operating voltage
  • Open-Drain Active Low Output Stage
  • 1.8V , 2.5V, 3.3V or ADJ output
  • Output current of 1A.
  • Dropout voltage (typ.) 1.3V @ 1A.
  • Line regulation 0.2% max.
  • Load regulation 0.4% max.
  • 100% thermal limit burn-in
  • Thermal shut down protection
  • SOT223 & SOT89-3 packages
Linear Regulator 1225196