Overview
The LP2985AITP-2.7 is a low dropout (LDO) voltage regulator produced by National Semiconductor, now part of Texas Instruments. It is designed to provide a stable 2.7V output voltage with a maximum input voltage of 16V. This component is widely used in applications requiring precise voltage regulation, such as portable electronics, industrial control systems, and automotive electronics. Its compact SOT-23 package makes it suitable for space-constrained designs. The LP2985AITP-2.7 is known for its low quiescent current, high accuracy, and excellent transient response, making it a reliable choice for power management in various electronic devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.7 | V | Fixed |
| Input Voltage Range | 2.5 to 16 | V | |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | At 150mA |
| Quiescent Current | 75 | µA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23 | 5-pin | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| Accuracy | ±2 | % | Over temperature |
Key Features
- Low dropout voltage of 300mV at 150mA load current.
- Low quiescent current of 75µA, ideal for battery-powered applications.
- High accuracy output voltage of ±2% over temperature.
- Excellent transient response for stable operation in dynamic load conditions.
- Thermal shutdown and current limit protection for enhanced reliability.
- Compact SOT-23 package for space-constrained designs.
Applications
The LP2985AITP-2.7 is suitable for a wide range of applications, including portable electronics such as smartphones, tablets, and wearables, where efficient power management is critical. It is also used in industrial control systems, automotive electronics, and medical devices, where stable and reliable voltage regulation is essential. Its low dropout voltage and high accuracy make it ideal for battery-powered devices, ensuring extended battery life and consistent performance.
Q & A
1. What is the output voltage of the LP2985AITP-2.7?
The output voltage is fixed at 2.7V.
2. What is the maximum input voltage supported by this regulator?
The maximum input voltage is 16V.
3. What is the typical quiescent current of the LP2985AITP-2.7?
The typical quiescent current is 75µA.
4. What is the dropout voltage at 150mA load current?
The dropout voltage is 300mV at 150mA.
5. What package does the LP2985AITP-2.7 come in?
It comes in a 5-pin SOT-23 package.
6. Is this regulator suitable for battery-powered applications?
Yes, its low quiescent current and dropout voltage make it ideal for battery-powered devices.
7. Does the LP2985AITP-2.7 include protection features?
Yes, it includes thermal shutdown and current limit protection.
8. What is the operating temperature range of this regulator?
The operating temperature range is -40°C to 125°C.
9. What is the accuracy of the output voltage over temperature?
The accuracy is ±2% over temperature.
10. What are typical applications for the LP2985AITP-2.7?
Typical applications include portable electronics, industrial control systems, and automotive electronics.
