Texas Instruments LP2989IM-3.0/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 | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 3V |
| 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 Texas Instruments LP2989IM-3.0/NOPB is a precision 3.0V LDO linear regulator designed for 500mA loads. It features a low dropout voltage of 0.65V at full load and a quiescent current of 175µA, balancing performance and efficiency. With a PSRR of 60dB at 1kHz, it provides excellent ripple rejection for noise-sensitive applications. The 8-SOIC package is suitable for a wide range of portable and industrial electronics.
- Low Dropout: 0.65V at 500mA enables efficient operation from batteries with minimal headroom.
- Good Ripple Rejection: 60dB PSRR at 1kHz ensures a clean output for audio and RF circuits.
- Balanced Quiescent Current: 175µA provides a good trade-off between standby power and transient response.
- Standard Package: 8-SOIC is widely used and easy to integrate into PCB designs.
FPGA and DSP Core Supplies
The 3.0V output at 500mA is suitable for powering the core logic of FPGAs and DSPs in portable and embedded systems, providing a stable and low-noise supply.
Battery-Powered Audio Equipment
With a PSRR of 60dB at 1kHz, this LDO is excellent for audio codecs and amplifiers, minimizing power supply noise that could degrade sound quality.
Portable Instrumentation
The low dropout voltage of 0.65V allows efficient operation from a 3.6V lithium-ion battery, making it ideal for handheld multimeters and sensors.
Wireless Communication Modules
This regulator can power 3.0V RF transceivers and baseband processors, ensuring a clean supply for reliable wireless communication.
Industrial Control Systems
The 8-SOIC package and 500mA capability make it a versatile choice for powering 3.0V logic and interface circuits in industrial controllers.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can provide up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- 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 175 µA.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can provide up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- 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 175 µA.
- Q: What package is available?
- A: It is available in an 8-SOIC package.

LP2989IM-3.0/NOPB.pdf