Texas Instruments LP2989ILDX-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.97 | $6.97 |
| 15+ | $1.60 | $24.00 |
| 25+ | $1.57 | $39.25 |
| 50+ | $1.48 | $74.00 |
| 100+ | $1.31 | $131.00 |
| N+ | $0.26 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| 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-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) |
| ROHS |  |
The LP2989ILDX-3.3/NOPB is a fixed 3.3V low-dropout linear regulator from Texas Instruments, capable of delivering 500mA of output current. It features a low dropout voltage of 0.65V at full load and a quiescent current of 175 μA. With 60dB of power supply rejection at 1kHz, it provides clean power for noise-sensitive applications. The 8-WSON (4x4) package offers a compact footprint for space-constrained designs.
- High Output Current: 500mA capability supports a wide range of digital and analog loads.
- Low Dropout: 0.65V dropout at 500mA maximizes efficiency with low input-output voltage differentials.
- Good Noise Rejection: 60dB PSRR at 1kHz ensures stable operation in noisy environments.
- Compact Package: 8-WSON (4x4) saves board space in portable designs.
Noise-Sensitive Audio Circuits
With 60dB PSRR at 1kHz, this LDO effectively suppresses mid-frequency noise, making it ideal for powering audio codecs and amplifiers.
FPGA and DSP Core Supplies
The 500mA output current can power digital cores, while the low dropout of 0.65V allows operation from a 3.6V to 5V input rail.
Battery-Powered Handheld Instruments
The 175 μA quiescent current helps extend battery life in portable multimeters and field instruments without sacrificing load regulation.
Communication Interfaces
Provides a clean 3.3V rail for RS-232/RS-485 transceivers, reducing bit errors caused by power supply noise.
Precision Reference Buffers
Its stable output and low noise characteristics make it suitable for buffering voltage references in data acquisition systems.
- Q: What is the output voltage?
- A: The LP2989ILDX-3.3/NOPB provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can supply up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; consult the datasheet for details.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.65V at a 500mA load, enabling efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 175 μA, balancing performance with power efficiency.
- Q: What package is available?
- A: This device comes in an 8-WSON (4x4) package.
LP2989ILDX-3.3/NOPB.pdf
- Q: What is the output voltage?
- A: The LP2989ILDX-3.3/NOPB provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can supply up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; consult the datasheet for details.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.65V at a 500mA load, enabling efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 175 μA, balancing performance with power efficiency.
- Q: What package is available?
- A: This device comes in an 8-WSON (4x4) package.
