OT1105t180 Low Dropout Linear Regulator

The OT1105t180 is a 150mA CMOS low dropout regulator designed for use in a wide variety of mixed signal device applications. It is designed for use with an external vdd/capacitor pin. (See OT1104 for internal capacitor version.)

Designed for TSMC 0.18µ processes.

Features

  • Input voltage range 3.0V – 5.5V.
  • Output voltage 1.8V ±5%.
  • Output fold back short circuit protection.
  • Over-temperature protection.
  • Works with straight-through IO pads.
  • External 4.7µF decoupling capacitor.
  • Power down/enable input.
  • Fast response to current steps.
  • <1% line and load regulation.
  • Can be back powered.
  • PSRR 70dB @ 1MHz.
  • -40°C to 120°C temperature operation.
  • Base cell area 0.03mm2 in 0.18µ CMOS.

Typical Applications

  • LiFe Battery to 1.8V core voltage regulator.
  • 3.3V or 5V power to 1.8V core voltage regulator.

Deliverables

  • Flat GDS.
  • LEF.
  • LVS netlist.
  • Integration notes.
  • Production test notes.

Contact info@ot1.com for further information.

CMOS LDO
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