Overview
The LP2985-30DBVR is a low-dropout (LDO) voltage regulator produced by Texas Instruments. This model is designed to deliver a fixed output voltage of 3.0V, making it suitable for a wide range of applications requiring stable and efficient power management. The LP2985-30DBVR is part of Texas Instruments' LP2985 series, known for its low quiescent current, high accuracy, and excellent transient response. It is ideal for battery-powered devices, portable electronics, and other applications where power efficiency and reliability are critical. Its compact SOT-23 package makes it a versatile choice for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.0 | 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 | % | Typical |
| Load Regulation | 0.04 | % | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 | DBV |
Key Features
- Low dropout voltage for efficient power management.
- Low quiescent current, ideal for battery-powered applications.
- High accuracy output voltage (±2%).
- Excellent transient response for stable operation.
- Thermal shutdown and current limit protection.
- Compact SOT-23 package for space-constrained designs.
Applications
The LP2985-30DBVR is widely used in applications requiring stable and efficient voltage regulation. It is particularly suited for battery-powered devices such as portable electronics, medical devices, and wireless communication systems. Its low dropout voltage and low quiescent current make it an excellent choice for extending battery life. Additionally, it is used in industrial control systems, automotive electronics, and consumer electronics where reliable power management is essential.
Q & A
1. What is the output voltage of the LP2985-30DBVR?
The output voltage is fixed at 3.0V.
2. What is the maximum output current it can handle?
The maximum output current is 150 mA.
3. What is the dropout voltage of this regulator?
The dropout voltage is 300 mV at 150 mA.
4. What is the input voltage range?
The input voltage range is 2.3V to 16V.
5. Is this regulator suitable for battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered applications.
6. Does it 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 LP2985-30DBVR come in?
It comes in a compact SOT-23-5 package.
9. What is the typical quiescent current?
The typical quiescent current is 75 µA.
10. Can it be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design and wide operating temperature range.
