Texas Instruments LP2989IMX-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.01 | $3.01 |
| 15+ | $2.92 | $43.80 |
| 25+ | $2.85 | $71.25 |
| 50+ | $2.69 | $134.50 |
| 100+ | $2.38 | $238.00 |
| N+ | $0.48 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| 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 LP2989IMX-5.0/NOPB from Texas Instruments is a fixed 5.0V low-dropout linear regulator capable of delivering 500mA. It features a dropout voltage of 0.65V at full load and a quiescent current of 175µA. Housed in an 8-SOIC package, this LDO offers 60dB PSRR at 1kHz, making it suitable for noise-sensitive applications.
- High Output Current (500mA): Supports multiple loads or higher-power devices, providing design flexibility.
- Low Quiescent Current (175µA): Reduces power consumption in standby and active modes, improving efficiency.
- Good PSRR (60dB @ 1kHz): Effectively filters switching and audio-band noise, ensuring clean power delivery.
- Fixed 5.0V Output: Simplifies design for standard 5V systems, eliminating external components.
5V Logic and Peripheral Supplies
The LP2989 provides a stable 5V rail for legacy logic ICs, microcontrollers, and peripheral devices, with 500mA capacity for multiple loads.
Automotive Infotainment
With 60dB PSRR at 1kHz, this LDO effectively filters alternator noise, providing clean 5V power for infotainment systems and displays.
Industrial Control Systems
The 500mA output is ideal for powering industrial sensors, actuators, and control logic, with the 8-SOIC package aiding thermal management.
Networking Equipment
Provides a regulated 5V rail for Ethernet PHYs and switches, with low quiescent current reducing standby power consumption.
Test and Measurement Instruments
The high PSRR at 1kHz ensures clean power for precision measurement circuits, improving accuracy in lab equipment.
Consumer Audio Devices
For audio DACs and amplifiers, the LP2989 delivers a clean 5V supply, minimizing hum and noise in audio output.
- Q: What is the output voltage of the LP2989IMX-5.0/NOPB?
- A: This is a fixed-output LDO providing a stable 5.0V output.
- Q: What is the maximum output current?
- A: The LP2989 can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the official datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.65V at 500mA, suitable for 5V applications with moderate headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 175µA, making it efficient for higher-current applications.
- Q: What package is available?
- A: The device comes in an 8-SOIC package.
- Q: What is the output voltage of the LP2989IMX-5.0/NOPB?
- A: This is a fixed-output LDO providing a stable 5.0V output.
- Q: What is the maximum output current?
- A: The LP2989 can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the official datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.65V at 500mA, suitable for 5V applications with moderate headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 175µA, making it efficient for higher-current applications.
- Q: What package is available?
- A: The device comes in an 8-SOIC package.

LP2989IMX-5.0/NOPB.pdf