Texas Instruments LP2989ILD-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.46 | $3.46 |
| 15+ | $3.35 | $50.25 |
| 25+ | $3.28 | $82.00 |
| 50+ | $3.09 | $154.50 |
| 100+ | $2.73 | $273.00 |
| N+ | $0.55 | 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-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) |
The LP2989ILD-3.3 from Texas Instruments is a fixed 3.3V low dropout regulator capable of sourcing 500mA. It features a dropout voltage of 0.65V at full load and a quiescent current of 175μA. The 8-WSON package provides excellent thermal performance, making it suitable for space-constrained, power-sensitive applications.
- High Output Current in Small Package: 500mA capability in a 4x4mm WSON package saves board space while powering multiple loads.
- Good Ripple Rejection: 60dB PSRR at 1kHz reduces high-frequency noise, critical for RF and audio circuits.
- Low Dropout Voltage: 0.65V dropout at 500mA improves efficiency and allows operation from lower input rails.
- Low Quiescent Current: 175μA quiescent current helps extend battery life in portable devices.
Wireless Connectivity Modules
With 500mA output and 60dB PSRR at 1kHz, the LP2989ILD-3.3 is ideal for powering Wi-Fi and Bluetooth modules that require clean 3.3V for RF performance.
Portable Audio Players
Low dropout and good ripple rejection ensure minimal noise on the 3.3V rail, preserving audio fidelity in portable DACs and headphone amplifiers.
FPGA and CPLD Core Supplies
For low-power FPGAs with 3.3V I/O banks, this LDO provides a stable, low-noise supply from a 5V USB or battery source.
Industrial Sensor Nodes
The 8-WSON package's thermal pad aids heat dissipation, making it suitable for industrial sensors operating in high ambient temperatures.
Medical Wearables
Its small footprint and 175μA quiescent current support compact, battery-powered medical patches that need reliable 3.3V for analog front-ends.
Automotive Infotainment
With a wide input range and 500mA capability, it can power display controllers and touchscreen interfaces in car infotainment systems.
- Q: What is the output voltage of the LP2989ILD-3.3?
- A: It provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.3V to 16V (typical for this family; verify with datasheet).
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 175μA.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4) package.
LP2989ILD-3.3/NOPB.pdf
- Q: What is the output voltage of the LP2989ILD-3.3?
- A: It provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.3V to 16V (typical for this family; verify with datasheet).
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 175μA.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4) package.
