Texas Instruments LP2989IMX-3.3/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) | 3.3V |
| 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 LP2989IMX-3.3/NOPB is a fixed 3.3V low-dropout linear regulator capable of delivering 500mA. It features a low quiescent current of 175 μA and a dropout voltage of just 0.65V at full load, making it highly efficient for battery-operated systems. The device offers excellent power supply rejection of 60dB at 1kHz, ensuring clean output for sensitive analog circuits. Housed in an 8-SOIC package, it provides a compact and reliable power management solution.
- Extended Battery Life: Low 175 μA quiescent current minimizes standby power draw, ideal for portable devices.
- High Noise Rejection: 60dB PSRR at 1kHz filters supply ripple, ensuring stable power for sensitive RF and analog circuits.
- High Current Capacity: 500mA output supports a wide range of microcontrollers, sensors, and peripheral loads.
- Low Dropout Operation: 0.65V dropout at 500mA allows operation from nearly depleted batteries, maximizing usable energy.
Battery-Powered Precision Equipment
The LP2989IMX-3.3/NOPB's low 175 μA quiescent current and 60dB PSRR at 1kHz make it ideal for extending battery life in portable medical devices and precision sensors where supply noise must be minimized.
Automotive Infotainment Systems
With a 500mA output and 0.65V dropout, this regulator provides a stable 3.3V rail for microcontrollers and display drivers in automotive infotainment, ensuring reliable operation under varying input voltages.
Industrial Control Modules
The fixed 3.3V output and robust 8-SOIC package suit industrial PLCs and control modules, delivering clean power to analog-to-digital converters and operational amplifiers.
Networking Equipment
For routers and switches, the LP2989IMX-3.3/NOPB offers low-noise 3.3V power to PHY transceivers and FPGA I/O banks, reducing bit errors in high-speed data lines.
Portable Test Instruments
Its low dropout and high accuracy make it perfect for handheld multimeters and oscilloscopes, maintaining a stable 3.3V reference for measurement circuits even as the battery discharges.
LED Lighting Controllers
Use this LDO to power the logic and communication interfaces in smart LED drivers, benefiting from its thermal shutdown and current limit features for enhanced system safety.
- Q: What is the output voltage?
- A: The LP2989IMX-3.3/NOPB provides a fixed 3.3V 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 range is from 3.3V up to 16V (typical for this series; verify with datasheet).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.65V at a 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 is available in an 8-pin SOIC package.
LP2989IMX-3.3/NOPB.pdf
- Q: What is the output voltage?
- A: The LP2989IMX-3.3/NOPB provides a fixed 3.3V 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 range is from 3.3V up to 16V (typical for this series; verify with datasheet).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.65V at a 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 is available in an 8-pin SOIC package.
