Texas Instruments LP2989AIMM-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.63 | $3.63 |
| 15+ | $3.51 | $52.65 |
| 25+ | $3.44 | $86.00 |
| 50+ | $3.25 | $162.50 |
| 100+ | $2.87 | $287.00 |
| N+ | $0.57 | 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-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-VSSOP |
| ROHS |  |
The LP2989AIMM-3.3/NOPB from Texas Instruments is a fixed 3.3V low-dropout regulator rated for 500mA. It features a low 175μA quiescent current and 60dB PSRR at 1kHz, making it well-suited for battery-powered and noise-sensitive applications. The compact 8-VSSOP package is ideal for space-constrained designs.
- Low Quiescent Current: 175μA extends battery life in portable devices.
- Good Noise Rejection: 60dB PSRR at 1kHz ensures clean power for sensitive electronics.
- Compact Size: 8-VSSOP package saves PCB space for miniaturized designs.
- Balanced Performance: 500mA output with 0.65V dropout offers a good trade-off for mid-power applications.
Portable Consumer Electronics
The 175μA quiescent current and 500mA output make it ideal for smartphones, tablets, and portable media players requiring efficient 3.3V power.
Wireless Connectivity Modules
With 60dB PSRR at 1kHz, it provides clean power for Wi-Fi, Bluetooth, and cellular modules, ensuring reliable wireless performance.
Battery-Powered Medical Devices
The low quiescent current extends battery life in glucose monitors, hearing aids, and portable diagnostic tools.
Sensor Signal Conditioning
Provides stable 3.3V for op-amps and ADCs in sensor interfaces, maintaining measurement accuracy in industrial and automotive applications.
Embedded Systems
Powers 3.3V microcontrollers, memory, and peripherals in IoT devices, home automation, and smart sensors.
Audio Processing Equipment
Delivers low-noise 3.3V for audio codecs and DACs, preserving sound quality in portable audio players and headphones.
- Q: What is the output voltage of the LP2989AIMM-3.3?
- A: It provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of continuous current.
- Q: What is the input voltage range?
- A: The input must be at least 3.95V (3.3V + 0.65V dropout) and within the absolute maximum ratings.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 175μA.
- Q: What package is available?
- A: It comes in an 8-VSSOP package.
LP2989AIMM-3.3/NOPB.pdf
- Q: What is the output voltage of the LP2989AIMM-3.3?
- A: It provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of continuous current.
- Q: What is the input voltage range?
- A: The input must be at least 3.95V (3.3V + 0.65V dropout) and within the absolute maximum ratings.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 175μA.
- Q: What package is available?
- A: It comes in an 8-VSSOP package.
