text.skipToContent text.skipToNavigation


Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 Package

Availability: 8,900


Package | PIN: SOT-23 (DBV) | 5
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $0.92
10-24 $0.82
25-99 $0.76
100-249 $0.65
250-499 $0.60
500-749 $0.49
750-999 $0.39
1,000+ $0.35


  • Operating Input Voltage Range: 2.1 V to 16 V
  • Ultralow-Dropout Voltage
  • Output Voltage Accuracy 0.75% (A Grade)
  • Specified 100-mA Output Current
  • < 1-μA Quiescent Current when Shutdown
  • Low Ground Pin Current at All Load Currents
  • High Peak Current Capability (300 mA Typical)
  • Wide Supply Voltage Range (16 V Maximum)
  • Fast Dynamic Response to Line and Load
  • Low ZOUT Over Wide Frequency Range
  • Overtemperature and Overcurrent Protection
  • −40°C to 125°C Junction Temperature Range

Texas Instruments  LP2981AIM5-5.0/NOPB

The LP2981-N is a 100-mA, fixed-output voltage regulator designed specifically to meet the requirements of battery-powered applications.

Using an optimized Vertically Integrated PNP (VIP) process, the LP2981-N delivers unequaled performance in all specifications critical to battery-powered designs:

Dropout Voltage: Typically 200 mV at 100-mA load, and 7 mV at 1-mA load.

Ground Pin Current: Typically 600 μA at 100-mA load, and 80 μA at 1-mA load.

Sleep Mode: Less than 1-μA quiescent current when ON/OFF pin is pulled low.

Precision Output: 0.75% tolerance output voltages available (A grade).

Assorted voltage options, from 2.5 V to 5 V, are available as standard products.

For all available packages, see the orderable addendum at the end of the data sheet.