Texas Instruments LP2989IM-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.51 | $9.51 |
| 15+ | $2.19 | $32.85 |
| 25+ | $2.14 | $53.50 |
| 50+ | $2.02 | $101.00 |
| 100+ | $1.79 | $179.00 |
| N+ | $0.36 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| 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 LP2989IM-5.0/NOPB is a fixed 5V low dropout linear regulator from Texas Instruments, capable of delivering 500mA with a dropout voltage of just 0.65V. Its low quiescent current of 175 μA and high PSRR of 60dB at 1kHz make it an excellent choice for noise-sensitive and battery-powered applications. Housed in a compact 8-SOIC package, this regulator offers reliable, clean power conversion with built-in protection features.
- Extended Battery Life: Low 175 μA quiescent current minimizes standby power draw in portable devices.
- Clean Output: 60dB PSRR at 1kHz effectively filters switching noise for sensitive analog circuits.
- High Efficiency at Low Dropout: 0.65V dropout at 500mA allows operation from near-fully discharged batteries.
- Compact Design: 8-SOIC package fits space-constrained PCBs without sacrificing thermal performance.
Battery-Powered Industrial Sensors
With a low quiescent current of 175 μA and a fixed 5V output, the LP2989IM-5.0/NOPB is ideal for precision industrial sensors that require stable voltage over long battery life.
Automotive Infotainment Systems
The 500mA current capability and 60dB PSRR at 1kHz ensure clean power for audio codecs and display drivers in automotive infotainment, minimizing noise interference.
Portable Medical Devices
Low dropout (0.65V) allows operation from a 6V battery down to 5.65V, extending usable battery range in handheld medical monitors and diagnostic tools.
Networking Equipment
Stable 5V rail for Ethernet PHY transceivers and small switches, with the 8-SOIC package fitting compact PCB layouts.
Precision Analog Front-Ends
The 60dB PSRR at 1kHz reduces supply ripple from switching regulators, preserving ADC/DAC accuracy in data acquisition systems.
FPGA Core Logic
Provides a clean 5V auxiliary rail for FPGA I/O banks, with thermal shutdown and current limiting for robust operation.
- Q: What is the output voltage of the LP2989IM-5.0/NOPB?
- A: This LDO provides a fixed 5.0V output.
- 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 must be at least 5V plus the dropout voltage (0.65V typical at full load), so typically 5.65V or higher.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a low 175 μA, making it suitable for battery-powered applications.
- Q: What package is available?
- A: It comes in an 8-pin SOIC package.
LP2989IM-5.0/NOPB.pdf
- Q: What is the output voltage of the LP2989IM-5.0/NOPB?
- A: This LDO provides a fixed 5.0V output.
- 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 must be at least 5V plus the dropout voltage (0.65V typical at full load), so typically 5.65V or higher.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a low 175 μA, making it suitable for battery-powered applications.
- Q: What package is available?
- A: It comes in an 8-pin SOIC package.
