Texas Instruments LP2981IM5-2.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.76 | $2.76 |
| 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 |
Request Quote / Inquiry
| 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) | 2.5V |
| 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 |
| ROHS |  |
The LP2981IM5-2.5 is a precision 2.5V low dropout linear regulator designed for battery-powered and portable applications. It delivers up to 100mA with a dropout voltage of 0.37V, ensuring efficient operation from a 2.87V input. The ultra-low 95 µA quiescent current significantly extends battery life. With a PSRR of 63dB at 1kHz, it effectively filters supply noise. The SOT-23-5 package is ideal for compact designs.
- Ultra-Low Quiescent Current: 95 µA extends battery life in portable devices.
- High PSRR: 63dB at 1kHz provides clean output for noise-sensitive analog circuits.
- Compact SOT-23-5: Saves PCB space for miniaturized designs.
- Low Dropout: 0.37V at 100mA allows operation from near-threshold input voltages.
Battery-Powered Wearables
Ultra-low 95 µA quiescent current extends battery life in fitness trackers and smartwatches, while the 2.5V rail powers low-voltage MCUs and sensors.
Portable Medical Devices
Provides a stable 2.5V supply for glucose monitors and hearing aids, where precision and low power consumption are critical.
Wireless IoT Modules
Powers Bluetooth Low Energy and Zigbee transceivers, maintaining clean voltage for RF performance. The SOT-23-5 package fits tiny PCB layouts.
Analog Sensor Interfaces
Regulates 2.5V for op-amps and ADC references, reducing noise and improving measurement accuracy in industrial sensors.
Handheld Instruments
Supplies a stable rail for multimeters and calibration tools, ensuring consistent readings over battery discharge.
Audio Codec Power
Delivers low-noise 2.5V to audio codecs in portable players, minimizing distortion and preserving signal fidelity.
- Q: What is the output voltage?
- A: The LP2981IM5-2.5 provides a fixed 2.5V output.
- Q: What is the maximum output current?
- A: It can supply up to 100mA of continuous current.
- Q: What is the input voltage range?
- A: Input should be between 2.87V and 16V for proper regulation.
- Q: What is the dropout voltage?
- A: Dropout is 0.37V at 100mA load, allowing operation from a 2.87V rail.
- Q: What is the quiescent current?
- A: Quiescent current is only 95 µA, ideal for battery-powered devices.
- Q: What package is available?
- A: It comes in a SOT-23-5 package, compact for space-constrained designs.
LP2981IM5-2.5/NOPB.pdf
- Q: What is the output voltage?
- A: The LP2981IM5-2.5 provides a fixed 2.5V output.
- Q: What is the maximum output current?
- A: It can supply up to 100mA of continuous current.
- Q: What is the input voltage range?
- A: Input should be between 2.87V and 16V for proper regulation.
- Q: What is the dropout voltage?
- A: Dropout is 0.37V at 100mA load, allowing operation from a 2.87V rail.
- Q: What is the quiescent current?
- A: Quiescent current is only 95 µA, ideal for battery-powered devices.
- Q: What package is available?
- A: It comes in a SOT-23-5 package, compact for space-constrained designs.
