National Semiconductor LP2989ILD-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.12 | $2.12 |
| 15+ | $2.05 | $30.75 |
| 25+ | $2.01 | $50.25 |
| 50+ | $1.90 | $95.00 |
| 100+ | $1.67 | $167.00 |
| N+ | $0.33 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| 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-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) |
| ROHS |  |
The LP2989ILD-5.0/NOPB from Texas Instruments is a fixed 5V linear regulator capable of delivering 500mA of output current. It features a low dropout voltage of 0.65V at full load and a quiescent current of 175 µA, making it an efficient choice for battery-powered applications. With 60dB PSRR at 1kHz, it ensures a clean and stable output for noise-sensitive circuits. The device is housed in an 8-WSON (4x4) package, offering excellent thermal performance in a compact footprint. This LDO is well-suited for audio, industrial, and wireless applications.
- High Ripple Rejection: 60dB PSRR at 1kHz ensures a stable output, critical for RF and audio circuits.
- Low Power Loss: The 0.65V dropout at 500mA reduces heat generation, improving overall system efficiency.
- Compact Thermal Package: The 8-WSON (4x4) package with exposed pad allows for efficient heat sinking in space-limited designs.
- Balanced Efficiency: A 175 µA quiescent current offers a good trade-off between performance and battery life.
Noise-Sensitive Audio Equipment
With 60dB PSRR at 1kHz, the LP2989ILD-5.0/NOPB provides a clean 5V supply for audio codecs and amplifiers, minimizing hum and interference.
Portable GPS and Navigation Devices
The 175 µA quiescent current helps conserve battery power in handheld GPS units, while the 500mA output supports GPS modules and displays.
Industrial Sensor Interfaces
For 5V industrial sensors, this LDO offers a stable, low-noise rail, ensuring accurate data acquisition in noisy factory environments.
Wireless Communication Modules
Its high PSRR at 1kHz makes it ideal for powering RF transceivers and microcontrollers in IoT devices, reducing spurious emissions.
Automotive Infotainment Clusters
The 8-WSON package with exposed pad provides robust thermal performance, suitable for dashboard electronics operating in high-temperature environments.
Battery-Powered Test Instruments
The low dropout and moderate quiescent current make it a great fit for portable multimeters and oscilloscopes that require a stable 5V rail.
- Q: What is the output voltage of the LP2989ILD-5.0/NOPB?
- A: This device provides a fixed 5V 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 is 5V, with a dropout of 0.65V at full load.
- Q: What is the quiescent current?
- A: The quiescent current is 175 µA, balancing performance and efficiency.
- Q: What is the PSRR performance?
- A: It offers 60dB of power supply rejection at 1kHz, ensuring clean output.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4) package with excellent thermal characteristics.
LP2989ILD-5.0/NOPB.pdf
- Q: What is the output voltage of the LP2989ILD-5.0/NOPB?
- A: This device provides a fixed 5V 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 is 5V, with a dropout of 0.65V at full load.
- Q: What is the quiescent current?
- A: The quiescent current is 175 µA, balancing performance and efficiency.
- Q: What is the PSRR performance?
- A: It offers 60dB of power supply rejection at 1kHz, ensuring clean output.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4) package with excellent thermal characteristics.
