Texas Instruments LP2981IM5X-5.0/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) | 5V |
| 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 LP2981IM5X-5.0/NOPB is a fixed 5.0V low-dropout regulator from Texas Instruments, capable of 100mA output. With a quiescent current of 95µA and dropout of 0.37V, it is optimized for battery-powered and noise-sensitive applications. The SOT-23-5 package and 63dB PSRR at 1kHz make it a compact, reliable power solution.
- Low Quiescent Current: 95µA helps prolong battery life in portable 5V systems.
- High Noise Rejection: 63dB PSRR at 1kHz ensures clean power for analog circuits.
- Wide Input Tolerance: Handles up to 16V input, offering design flexibility.
- Small Package: SOT-23-5 saves board space in dense designs.
5V Logic Systems
Provides a clean 5V rail for legacy TTL logic and microcontrollers operating at 5V, with low dropout ensuring stable operation from 5.5V sources.
Analog Sensor Conditioning
63dB PSRR at 1kHz minimizes noise for op-amp circuits and sensor signal conditioning, improving measurement accuracy.
USB Peripheral Power
Regulates 5V from USB bus power (5V±5%) with low dropout, powering small peripherals like dongles and adapters.
Battery-Powered Devices
95µA quiescent current makes it suitable for 5V battery-operated equipment, such as portable radios and test instruments.
Automotive Aftermarket
Wide input range (up to 16V) allows direct connection to vehicle power, providing regulated 5V for dashcams and sensors.
Industrial Interface Boards
Stable 5V output for RS-232/RS-485 transceivers and industrial I/O, ensuring reliable communication in noisy environments.
- Q: What is the output voltage?
- A: The LP2981IM5X-5.0/NOPB provides a fixed 5.0V output.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: Input voltage can range from 5.0V up to 16V (absolute maximum).
- Q: What is the dropout voltage?
- A: Dropout is typically 0.37V at 100mA load.
- Q: What is the quiescent current?
- A: Quiescent current is typically 95µA.
- Q: What package is used?
- A: It is available in a SOT-23-5 package.
LP2981IM5X-5.0/NOPB.pdf
- Q: What is the output voltage?
- A: The LP2981IM5X-5.0/NOPB provides a fixed 5.0V output.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: Input voltage can range from 5.0V up to 16V (absolute maximum).
- Q: What is the dropout voltage?
- A: Dropout is typically 0.37V at 100mA load.
- Q: What is the quiescent current?
- A: Quiescent current is typically 95µA.
- Q: What package is used?
- A: It is available in a SOT-23-5 package.
