Overview
The LP2985IM5X-3.1/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by National Semiconductor. Designed for applications requiring stable and precise voltage regulation, this product is part of the LP2985 series, known for its low quiescent current and high output accuracy. The LP2985IM5X-3.1/NOPB is particularly suited for battery-powered devices, portable electronics, and other low-power applications. Its compact SOT-23 package makes it ideal for space-constrained designs, while its robust performance ensures reliability in diverse operating conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.1 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | At 150 mA |
| Input Voltage Range | 2.3 to 16 | V | |
| Quiescent Current | 75 | µA | Typical |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with small input-output differentials.
- Low Quiescent Current: Ideal for battery-powered applications, extending battery life.
- High Output Accuracy: Provides precise voltage regulation for sensitive electronics.
- Compact Package: SOT-23-5 package saves board space in compact designs.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety in demanding conditions.
Applications
The LP2985IM5X-3.1/NOPB is widely used in various applications, including:
- Portable Electronics: Such as smartphones, tablets, and portable medical devices, where stable voltage regulation is critical.
- Battery-Powered Devices: Including wireless sensors, IoT devices, and handheld instruments, benefiting from its low quiescent current.
- Consumer Electronics: Such as digital cameras, audio players, and wearable devices, ensuring reliable performance.
- Industrial Equipment: For powering low-power control circuits and sensors in harsh environments.
Q & A
1. What is the output voltage of the LP2985IM5X-3.1/NOPB?
The output voltage is fixed at 3.1 V.
2. What is the maximum output current?
The maximum output current is 150 mA.
3. What is the dropout voltage at 150 mA?
The dropout voltage is 300 mV at 150 mA.
4. What is the input voltage range?
The input voltage range is 2.3 V to 16 V.
5. What is the typical quiescent current?
The typical quiescent current is 75 µA.
6. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
7. What package does the LP2985IM5X-3.1/NOPB use?
It uses the SOT-23-5 package.
8. Does it include thermal shutdown protection?
Yes, it includes thermal shutdown and current limit protection.
9. Is this LDO regulator suitable for battery-powered devices?
Yes, its low quiescent current makes it ideal for battery-powered applications.
10. What are typical applications for this voltage regulator?
Typical applications include portable electronics, battery-powered devices, consumer electronics, and industrial equipment.
