National Semiconductor LP2981IM5-3.1
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.96 | $0.96 |
| 15+ | $0.22 | $3.30 |
| 25+ | $0.22 | $5.50 |
| 50+ | $0.20 | $10.00 |
| 100+ | $0.18 | $18.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 3.1V |
| 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 |
The LP2981IM5-3.1 is a low dropout linear regulator delivering a fixed 3.1V output. Rated for 100mA, it features a dropout voltage of 0.37V at full load, ensuring efficient operation. With a quiescent current of only 95 µA, it is optimized for battery-powered devices. The SOT-23-5 package provides a practical solution for compact electronic designs.
- Higher Current Capacity: 100mA supports a wider range of loads.
- Low Quiescent Current: 95 µA reduces idle power consumption.
- Reasonable Dropout: 0.37V at 100mA balances efficiency and cost.
- Industry-Standard Package: SOT-23-5 is widely used and easy to assemble.
3.1V Microcontroller Power
100mA capacity supports modern low-power MCUs with integrated peripherals.
Wireless Sensor Nodes
Low 95 µA quiescent current and 0.37V dropout maximize energy harvesting efficiency.
Portable GPS Modules
Stable 3.1V rail ensures consistent performance in navigation devices.
Battery-Powered Remote Controls
Efficient regulation extends battery life in consumer remotes.
Industrial IoT Endpoints
SOT-23-5 package and reliable operation suit factory automation sensors.
Medical Wearables
Compact size and low power make it ideal for continuous health monitoring patches.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.1V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA.
- Q: What is the quiescent current?
- A: The quiescent current is 95 µA.
- Q: What package is available?
- A: It is available in a SOT-23-5 package.
LP2981IM5-3.1.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 3.1V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA.
- Q: What is the quiescent current?
- A: The quiescent current is 95 µA.
- Q: What package is available?
- A: It is available in a SOT-23-5 package.
