Texas Instruments LP2989AIM-2.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.84 | $3.84 |
| 15+ | $3.72 | $55.80 |
| 25+ | $3.64 | $91.00 |
| 50+ | $3.43 | $171.50 |
| 100+ | $3.03 | $303.00 |
| N+ | $0.61 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| 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) | 0.65V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 175 µA |
| Current - Supply (Max) | 9 mA |
| PSRR | 60dB (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 | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |
The LP2989AIM-2.5/NOPB from Texas Instruments is a fixed 2.5V LDO linear regulator designed for high-performance, low-power applications. It delivers up to 500mA of output current with a dropout voltage of 0.65V at full load, making it suitable for powering digital cores in portable devices. The low quiescent current of 175 µA extends battery life, while the 60dB PSRR at 1kHz ensures clean power for sensitive analog and mixed-signal circuits. Housed in an 8-SOIC package, this regulator offers a reliable and efficient power solution for a wide range of electronics.
- 500mA Output: Provides ample current for power-hungry digital cores and peripherals.
- Low Quiescent Current: At 175 µA, it helps maximize battery life in portable devices.
- High PSRR: 60dB rejection at 1kHz ensures clean power for precision analog circuits.
- Stable Fixed Output: The 2.5V output is ideal for modern low-voltage logic and DSPs.
DSP and FPGA Core Power
Many DSPs and FPGAs require a 2.5V core supply. The LP2989AIM-2.5/NOPB delivers up to 500mA with low noise, ensuring stable operation of high-speed digital processors.
Battery-Powered GPS Receivers
With a low quiescent current of 175 µA, this LDO is ideal for portable GPS devices, providing a clean 2.5V rail for the GPS receiver and reducing battery drain during navigation.
Precision Analog Circuits
The 60dB PSRR at 1kHz makes this regulator suitable for powering precision op-amps, ADCs, and voltage references, minimizing power supply induced errors in measurement systems.
Portable Medical Monitors
For battery-operated patient monitors, this LDO provides a stable 2.5V supply for microcontrollers and sensors, ensuring reliable readings and long battery life.
Networking Equipment
In routers and switches, this regulator can power low-voltage logic and PHY chips, providing a clean, stable supply that reduces bit errors and improves data integrity.
Consumer Electronics
Use the LP2989AIM-2.5/NOPB in digital cameras, MP3 players, and gaming controllers to power low-voltage digital cores, ensuring consistent performance and extended battery life.
- Q: What is the output voltage of the LP2989AIM-2.5/NOPB?
- A: It provides a fixed 2.5V output.
- Q: What is the maximum output current?
- A: The LP2989AIM-2.5/NOPB can supply up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range starts from 2.5V, requiring a minimum headroom above the output.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.65V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 175 µA.
- Q: What package is available?
- A: It comes in an 8-SOIC package.
- Q: What is the output voltage of the LP2989AIM-2.5/NOPB?
- A: It provides a fixed 2.5V output.
- Q: What is the maximum output current?
- A: The LP2989AIM-2.5/NOPB can supply up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range starts from 2.5V, requiring a minimum headroom above the output.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.65V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 175 µA.
- Q: What package is available?
- A: It comes in an 8-SOIC package.

LP2989AIM-2.5/NOPB.pdf