Texas Instruments LP2989AIM-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.18 | $4.18 |
| 15+ | $4.05 | $60.75 |
| 25+ | $3.96 | $99.00 |
| 50+ | $3.74 | $187.00 |
| 100+ | $3.30 | $330.00 |
| N+ | $0.66 | 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) | 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-5.0/NOPB is a precision 5V low dropout linear regulator from Texas Instruments, capable of delivering 500mA of output current. It features a low dropout voltage of 0.65V at full load and a low quiescent current of 175 µA, making it ideal for battery-powered and noise-sensitive applications. The device offers excellent PSRR of 60dB at 1kHz, ensuring clean output for analog circuits. Housed in an 8-pin SOIC package, it provides a compact and reliable power management solution.
- Extended Battery Life: Low 175 µA quiescent current minimizes standby power draw, ideal for portable devices.
- Clean Output for Analog: 60dB PSRR at 1kHz suppresses input noise, protecting sensitive analog loads.
- High Efficiency at Low Dropout: 0.65V dropout at 500mA allows operation from tight voltage margins, reducing power dissipation.
- Robust 500mA Delivery: Sufficient current for microcontrollers, sensors, and interface ICs in a compact SOIC-8 package.
Battery-Powered Precision Instrumentation
The LP2989AIM-5.0/NOPB's low 175 µA quiescent current and 60dB PSRR at 1kHz make it ideal for extending battery life in portable multimeters and data loggers while maintaining clean 5V rails for sensitive analog front-ends.
Automotive Sensor Power Supplies
With a 5V fixed output and 500mA capability, this LDO can power multiple automotive sensors (pressure, temperature) directly from a 12V battery bus, providing stable regulation despite load transients.
Industrial Microcontroller Power
The 0.65V dropout at full load allows efficient 5V regulation from a 5.5V or 6V rail, making it suitable for industrial PLCs and control modules where headroom is limited.
Noise-Sensitive Audio Codec Supplies
The 60dB PSRR at 1kHz reduces power supply noise coupling into audio codecs and DACs, ensuring high-fidelity signal reproduction in portable audio devices.
Telecom Line Card Reference Rails
For 5V logic and interface ICs in telecom line cards, the LP2989 provides a clean, regulated supply with excellent line and load regulation, improving system reliability.
Medical Monitoring Devices
Low quiescent current and stable output make it suitable for wearable or portable medical monitors that require long battery life and consistent 5V operation for sensor signal conditioning.
- Q: What is the output voltage of the LP2989AIM-5.0/NOPB?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 5.0V up to 16V (maximum).
- 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 is available in an 8-pin SOIC package.
LP2989AIM-5.0/NOPB.pdf
- Q: What is the output voltage of the LP2989AIM-5.0/NOPB?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 5.0V up to 16V (maximum).
- 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 is available in an 8-pin SOIC package.
