Texas Instruments LP2989IM-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.61 | $7.61 |
| 15+ | $1.75 | $26.25 |
| 25+ | $1.71 | $42.75 |
| 50+ | $1.62 | $81.00 |
| 100+ | $1.43 | $143.00 |
| N+ | $0.29 | 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) | 1.8V |
| 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-1.8/NOPB from Texas Instruments is a precision LDO regulator offering a fixed 1.8V output with up to 500mA current. It features a low dropout voltage of 0.65V at full load and a quiescent current of 175 µA. With 60dB PSRR at 1kHz, it provides clean power for noise-sensitive digital and analog circuits. The 8-SOIC package is suitable for a wide range of applications, from consumer electronics to industrial systems.
- High Output Current: 500mA supports demanding digital loads like FPGAs and DSPs.
- Low Noise: 60dB PSRR at 1kHz ensures clean supply for sensitive components.
- Low Dropout: 0.65V dropout maximizes efficiency in 3.3V to 1.8V conversion.
- Versatile Package: 8-SOIC is widely used and easy to integrate.
FPGA Core Power
The 500mA output and 1.8V rail are perfect for low-voltage FPGA cores, with 60dB PSRR ensuring stable operation during logic switching.
DSP and Processor Supplies
Powers digital signal processors and application processors requiring 1.8V I/O or core voltages, with low dropout for efficiency.
High-Speed ADC/DAC Reference
Provides clean 1.8V for analog-to-digital converters, minimizing noise-induced errors in high-resolution data acquisition.
Networking Equipment
Regulates 3.3V down to 1.8V for Ethernet PHYs and switch ASICs, ensuring reliable data transmission.
Consumer Electronics
Powers DDR memory termination and low-voltage logic in set-top boxes and gaming consoles.
Medical Imaging Systems
Delivers stable 1.8V for image sensors and processing FPGAs in ultrasound and MRI equipment.
- Q: What is the output voltage?
- A: Fixed 1.8V output.
- Q: What is the maximum output current?
- A: 500mA.
- Q: What is the dropout voltage?
- A: 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: 175 µA.
- Q: What is the PSRR at 1kHz?
- A: 60dB.
- Q: What package is available?
- A: 8-SOIC.
LP2989IM-1.8/NOPB.pdf
- Q: What is the output voltage?
- A: Fixed 1.8V output.
- Q: What is the maximum output current?
- A: 500mA.
- Q: What is the dropout voltage?
- A: 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: 175 µA.
- Q: What is the PSRR at 1kHz?
- A: 60dB.
- Q: What package is available?
- A: 8-SOIC.
