Texas Instruments LP2981IM5X-3.0/NOPB

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 16V
Voltage - Output (Min/Fixed) 3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.37V @ 100mA
Current - Output 100mA
Current - Quiescent (Iq) 95 µA
Current - Supply (Max) 1.7 mA
PSRR 63dB (1kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LP2981IM5X-3.0/NOPB from Texas Instruments is a fixed 3.0V LDO regulator delivering 100mA. It features a low 95 µA quiescent current and a dropout voltage of 0.37V at full load. Housed in a compact SOT-23-5 package, it offers 63dB PSRR at 1kHz, making it suitable for space-constrained, battery-powered applications.

  • Ultra-Compact: SOT-23-5 package minimizes PCB footprint.
  • Low Power: 95 µA quiescent current ideal for battery devices.
  • Stable Output: 63dB PSRR at 1kHz for noise-sensitive loads.
  • Low Dropout: 0.37V at 100mA improves efficiency.

Compact Wearable Devices

The tiny SOT-23-5 package and 100mA output are perfect for smartwatches and fitness trackers.

Sensor Power Supplies

Provides clean 3.0V for MEMS sensors, temperature sensors, and pressure transducers.

Low-Power IoT Modules

95 µA quiescent current extends battery life in wireless sensor nodes and beacons.

Audio Codec Supplies

63dB PSRR at 1kHz reduces noise for portable audio codecs and amplifiers.

Automotive Interior Electronics

Reliable 3.0V for dashboard displays, infotainment controllers, and interior lighting logic.

Q: What is the output voltage of the LP2981IM5X-3.0/NOPB?
A: The fixed output voltage is 3.0V.
Q: What is the maximum output current?
A: It can deliver up to 100mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.37V at 100mA load.
Q: What is the quiescent current?
A: The quiescent current is 95 µA.
Q: What package is available?
A: It comes in a SOT-23-5 package.
Base Product Number : LP2981IM5X-3.0
100mA 3.0V LDO Linear Regulator Low Quiescent Current SOT-23-5 Texas Instruments
Q: What is the output voltage of the LP2981IM5X-3.0/NOPB?
A: The fixed output voltage is 3.0V.
Q: What is the maximum output current?
A: It can deliver up to 100mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.37V at 100mA load.
Q: What is the quiescent current?
A: The quiescent current is 95 µA.
Q: What package is available?
A: It comes in a SOT-23-5 package.