Texas Instruments LP2981AIM5-3.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.30 | $1.30 |
| 15+ | $1.26 | $18.90 |
| 25+ | $1.23 | $30.75 |
| 50+ | $1.16 | $58.00 |
| 100+ | $1.03 | $103.00 |
| N+ | $0.21 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| 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 LP2981AIM5-3.0/NOPB from Texas Instruments is a fixed 3.0V LDO linear regulator delivering up to 100mA. It features a low dropout voltage of 0.37V at full load and a quiescent current of 95 μA, making it ideal for battery-powered applications. With a PSRR of 63dB at 1kHz, it provides clean, stable power for sensitive analog circuits. The SOT-23-5 package is perfect for space-constrained designs.
- Excellent Noise Rejection: 63dB PSRR at 1kHz ensures clean power for audio and RF circuits.
- Low Dropout: 0.37V at 100mA allows efficient operation from a 3.3V supply.
- Compact Footprint: SOT-23-5 package minimizes PCB area for portable devices.
- Low Quiescent Current: 95 μA extends battery life in always-on applications.
Battery-Powered Wearables
The 100mA output and 95 μA quiescent current are ideal for smartwatches and fitness trackers, extending battery life between charges.
Portable Audio Players
Provides a clean 3.0V rail for audio DACs and amplifiers, with a PSRR of 63dB at 1kHz to reject supply noise.
Wireless Sensor Nodes
The low dropout of 0.37V allows operation from a 3.3V battery down to 3.0V, maximizing usable battery capacity.
Medical Patch Devices
Compact SOT-23-5 package fits tiny wearable health monitors, while the low quiescent current supports long-term continuous monitoring.
IoT Endpoints
Powers low-power MCUs and sensors in smart home devices, with the small footprint enabling dense PCB layouts.
- Q: What is the output voltage of the LP2981AIM5-3.0/NOPB?
- A: The output voltage is fixed at 3.0V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The minimum input voltage is 3V; the maximum is not specified in the provided data.
- 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: The device is available in a SOT-23-5 package.
LP2981AIM5-3.0/NOPB.pdf
- Q: What is the output voltage of the LP2981AIM5-3.0/NOPB?
- A: The output voltage is fixed at 3.0V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The minimum input voltage is 3V; the maximum is not specified in the provided data.
- 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: The device is available in a SOT-23-5 package.
