Overview
The LP2985AIM5X-3.0 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 noise and high accuracy. The LP2985AIM5X-3.0 is particularly suitable for portable and battery-powered devices, offering a fixed output voltage of 3.0V with a maximum output current of 150mA. Its compact SOT-23-5 package makes it ideal for space-constrained designs, while its low quiescent current and dropout voltage enhance energy efficiency. This model is widely used in consumer electronics, medical devices, and industrial applications, making it a versatile choice for engineers seeking reliable power management solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.0 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | At 150mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 85 | µA | Typical |
| Package | SOT-23-5 | ||
| Operating Temperature Range | -40 to +125 | °C | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| Noise | 30 | µVrms | 10Hz to 100kHz |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with small input-output differentials.
- Low Quiescent Current: Minimizes power consumption in battery-powered applications.
- High Accuracy: Provides precise voltage regulation with tight tolerances.
- Low Noise: Ideal for noise-sensitive applications such as audio and RF circuits.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety in demanding conditions.
- Compact Package: SOT-23-5 package saves space in compact designs.
Applications
The LP2985AIM5X-3.0 is widely used in various applications, including:
- Portable Electronics: Provides stable power for smartphones, tablets, and wearable devices.
- Medical Devices: Ensures reliable voltage regulation in portable medical equipment.
- Industrial Automation: Supports control systems and sensors in industrial environments.
- Consumer Electronics: Ideal for audio devices, cameras, and other consumer gadgets.
- IoT Devices: Offers efficient power management for connected devices.
Q & A
1. What is the maximum output current of the LP2985AIM5X-3.0?
The maximum output current is 150mA.
2. What is the dropout voltage at 150mA?
The dropout voltage is 300mV at 150mA.
3. What is the input voltage range for this regulator?
The input voltage range is 2.5V to 16V.
4. Is the output voltage fixed or adjustable?
The output voltage is fixed at 3.0V.
5. What is the typical quiescent current?
The typical quiescent current is 85µA.
6. What package does the LP2985AIM5X-3.0 use?
It uses the SOT-23-5 package.
7. Does this regulator have thermal shutdown protection?
Yes, it includes thermal shutdown protection.
8. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
9. Is this regulator suitable for noise-sensitive applications?
Yes, its low noise output makes it ideal for noise-sensitive applications.
10. Can this regulator be used in battery-powered devices?
Yes, its low quiescent current and dropout voltage make it suitable for battery-powered devices.
