Texas Instruments LP2981IM5X-3.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.00 | $1.00 |
| 15+ | $0.97 | $14.55 |
| 25+ | $0.95 | $23.75 |
| 50+ | $0.89 | $44.50 |
| 100+ | $0.79 | $79.00 |
| N+ | $0.16 | Price Inquiry |
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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 |
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.
- 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.

LP2981IM5X-3.0/NOPB.pdf