National Semiconductor LP2989ILD-285
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.24 | $3.24 |
| 15+ | $0.75 | $11.25 |
| 25+ | $0.73 | $18.25 |
| 50+ | $0.69 | $34.50 |
| 100+ | $0.61 | $61.00 |
| N+ | $0.12 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 2.85V |
| 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-285 is a low dropout linear regulator from National Semiconductor, offering a fixed 2.85V output with a maximum current of 500mA. It features a low dropout voltage of 0.65V at full load and a quiescent current of 175 µA, making it efficient for battery-powered applications. The 8-WSON (4x4) package provides a compact, thermally efficient solution. With 60dB PSRR at 1kHz, it delivers clean power for noise-sensitive circuits.
- High Output Current: Supports up to 500mA, suitable for powering demanding loads like processors and RF modules.
- Low Dropout: The 0.65V dropout at 500mA maximizes efficiency in low-headroom applications.
- Compact Package: The 8-WSON (4x4) package saves board space while offering good thermal performance.
- Stable Output: 60dB PSRR at 1kHz ensures minimal ripple, protecting sensitive analog circuits.
High-Current Portable Devices
With a 500mA output capability, the LP2989ILD-285 is perfect for powering processors and RF circuits in portable devices that require higher current with a stable 2.85V rail.
Battery-Powered Instruments
The low quiescent current of 175 µA helps preserve battery life in handheld instruments, while the 0.65V dropout at full load ensures efficient use of battery voltage.
Noise-Sensitive Analog Circuits
The 60dB PSRR at 1kHz provides good ripple rejection, making it suitable for powering precision analog-to-digital converters and operational amplifiers.
Networking Equipment
This regulator can supply clean power to networking chipsets requiring 2.85V, ensuring reliable data transmission and signal integrity.
Medical Devices
The stable output and low noise characteristics make the LP2989ILD-285 a reliable choice for portable medical monitoring equipment.
- Q: What is the output voltage of the LP2989ILD-285?
- A: The output voltage is fixed at 2.85V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 175 µA.
- Q: What package is available?
- A: The LP2989ILD-285 is available in the 8-WSON (4x4) package.
LP2989ILD-285.pdf
- Q: What is the output voltage of the LP2989ILD-285?
- A: The output voltage is fixed at 2.85V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.65V at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 175 µA.
- Q: What package is available?
- A: The LP2989ILD-285 is available in the 8-WSON (4x4) package.
