Overview
The LP2985IM5X-2.8/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and reliable power supply, this LDO regulator is part of the LP2985 series, known for its high accuracy and low quiescent current. The device is specifically tailored for battery-powered and portable electronics, offering a fixed output voltage of 2.8V. Its compact SOT-23-5 package makes it suitable for space-constrained designs, while its low dropout voltage and low noise performance enhance its appeal in sensitive applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.8 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | At 150mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 75 | µA | Typical |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.05 | %/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: Minimizes power consumption, ideal for battery-powered devices.
- High Accuracy: Provides precise output voltage regulation.
- Low Noise: Suitable for noise-sensitive applications such as RF and audio circuits.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety.
Applications
The LP2985IM5X-2.8/NOPB is widely used in various applications, including:
- Portable Electronics: Such as smartphones, tablets, and wearables, where low power consumption and compact size are critical.
- Wireless Communication Devices: Including RF modules and IoT devices, benefiting from its low noise performance.
- Consumer Electronics: Such as digital cameras and portable media players.
- Industrial Control Systems: Where reliable power regulation is essential for stable operation.
Q & A
1. What is the output voltage of the LP2985IM5X-2.8/NOPB?
The output voltage is fixed at 2.8V.
2. What is the maximum output current it can handle?
The maximum output current is 150mA.
3. What is the dropout voltage at 150mA?
The dropout voltage is 300mV at 150mA.
4. What is the input voltage range?
The input voltage range is 2.5V to 16V.
5. What is the typical quiescent current?
The typical quiescent current is 75µA.
6. What package does the LP2985IM5X-2.8/NOPB come in?
It comes in a SOT-23-5 package.
7. Is this LDO regulator suitable for battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered applications.
8. Does it include protection features?
Yes, it includes thermal shutdown and current limit protection.
9. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
10. Can it be used in noise-sensitive applications?
Yes, its low noise performance makes it suitable for noise-sensitive applications like RF and audio circuits.
