Texas Instruments LP2989ILD-3.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.67 | $2.67 |
| 15+ | $2.59 | $38.85 |
| 25+ | $2.53 | $63.25 |
| 50+ | $2.39 | $119.50 |
| 100+ | $2.11 | $211.00 |
| N+ | $0.42 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) |
| ROHS |
The LP2989ILD-3.0/NOPB is a low-power, fixed 3.0V LDO from Texas Instruments. Delivering 500mA with a dropout of just 0.65V, it combines ultra-low quiescent current (175µA) with excellent PSRR (60dB at 1kHz). The compact 8-WSON package is perfect for space-constrained, battery-operated devices.
- Ultra-Low Quiescent Current: 175µA extends battery life in standby and active modes, ideal for portable electronics.
- High PSRR: 60dB rejection at 1kHz ensures clean output for noise-sensitive analog and RF circuits.
- Low Dropout: 0.65V at 500mA maximizes efficiency and allows operation from nearly depleted batteries.
- Compact Package: 8-WSON (4x4mm) saves board space without sacrificing thermal performance.
Battery-Powered IoT Sensors
The 175µA quiescent current extends battery life in always-on sensor nodes, while the 3.0V rail powers microcontrollers and RF transceivers.
Portable Medical Devices
Low noise and stable 3.0V output make it suitable for glucose monitors and hearing aids where precision and low power are critical.
Wireless Headsets
With 60dB PSRR at 1kHz, this LDO rejects power supply noise from RF amplifiers, ensuring clear audio performance.
Wearable Fitness Trackers
The small 8-WSON package and low dropout allow direct connection to a Li-ion battery (3.7V) while maintaining a regulated 3.0V rail.
Smart Home Controllers
Power Zigbee or Z-Wave modules with a clean 3.0V supply, reducing interference and improving wireless range.
Automotive Telematics
Provides a stable 3.0V rail for GPS modules and telematics control units, with thermal protection for harsh environments.
- Q: What is the fixed output voltage?
- A: The LP2989ILD-3.0/NOPB provides a fixed 3.0V output.
- Q: What is the maximum output current?
- A: It can supply up to 500mA of continuous current.
- Q: What is the input voltage range?
- A: The input voltage must be above 3.0V plus dropout (0.65V), typically up to 16V absolute maximum.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.65V at 500mA load, allowing operation with low input-to-output headroom.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 175µA, ideal for battery-powered applications.
- Q: What package is this?
- A: It comes in an 8-WSON (4x4mm) package, suitable for compact PCB designs.
- Q: What is the fixed output voltage?
- A: The LP2989ILD-3.0/NOPB provides a fixed 3.0V output.
- Q: What is the maximum output current?
- A: It can supply up to 500mA of continuous current.
- Q: What is the input voltage range?
- A: The input voltage must be above 3.0V plus dropout (0.65V), typically up to 16V absolute maximum.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.65V at 500mA load, allowing operation with low input-to-output headroom.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 175µA, ideal for battery-powered applications.
- Q: What package is this?
- A: It comes in an 8-WSON (4x4mm) package, suitable for compact PCB designs.

LP2989ILD-3.0/NOPB.pdf