Overview
The LP2985-30DBVT is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This component is designed to provide a stable 3.0V output voltage with a maximum input voltage of 16V. It is part of the LP2985 series, known for its low quiescent current and high accuracy. The LP2985-30DBVT is particularly suited for battery-powered applications and other scenarios where power efficiency and compact size are critical. Its SOT-23 package makes it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.0 | V | Fixed |
| Input Voltage Range | 2.5 to 16 | V | |
| Dropout Voltage | 0.28 | V | Typical at 150mA |
| Output Current | 150 | mA | Maximum |
| Quiescent Current | 75 | µA | Typical |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.1 | %/mA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with low input voltages.
- Low Quiescent Current: Minimizes power consumption in battery-powered applications.
- High Accuracy: Provides a stable output voltage with minimal deviation.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety in various operating conditions.
- Compact SOT-23 Package: Ideal for space-constrained designs.
Applications
The LP2985-30DBVT is widely used in applications requiring a stable and efficient voltage supply. Common use cases include:
- Battery-Powered Devices: Such as portable electronics, IoT devices, and wearables.
- Consumer Electronics: Including smartphones, tablets, and digital cameras.
- Industrial Equipment: For powering sensors, microcontrollers, and other low-power components.
- Automotive Electronics: Suitable for infotainment systems, sensors, and other in-vehicle applications.
Q & A
1. What is the output voltage of the LP2985-30DBVT?
The LP2985-30DBVT provides a fixed output voltage of 3.0V.
2. What is the maximum input voltage supported?
The maximum input voltage is 16V.
3. What is the dropout voltage of this regulator?
The dropout voltage is typically 0.28V at 150mA load current.
4. Can this regulator be used in battery-powered applications?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered devices.
5. What is the maximum output current?
The maximum output current is 150mA.
6. Does this regulator include protection features?
Yes, it includes thermal shutdown and current limit protection.
7. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
8. What package does the LP2985-30DBVT use?
It is available in a compact SOT-23-5 package.
9. Is this regulator suitable for automotive applications?
Yes, it is suitable for automotive electronics, including sensors and infotainment systems.
10. How does the LP2985-30DBVT ensure stable output voltage?
It achieves stable output voltage through high accuracy and low line and load regulation.
