Overview
The LP2985A-18DBVT is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. This component is designed to provide a stable 1.8V output voltage with a maximum output current of 150 mA. It is part of the LP2985A series, known for its low noise and high accuracy, making it suitable for applications requiring precise voltage regulation. The LP2985A-18DBVT is housed in a compact SOT-23-5 package, making it ideal for space-constrained designs. Its target user groups include designers of portable electronics, IoT devices, and other low-power applications where efficiency and reliability are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.8 | V | Fixed |
| Input Voltage Range | 2.2 to 16 | V | |
| Output Current | 150 | mA | Minimum |
| Dropout Voltage | 0.28 | V | @ 150 mA |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 | SC-74A, SOT-753 | |
| Regulator Topology | Positive, Fixed | ||
| Voltage Accuracy | 1 | % | |
| Line Regulation | 0.014 | %/V | |
| Load Regulation | 0.3 | % |
Key Features
- Low dropout voltage of 0.28V at 150 mA ensures efficient operation even with low input voltages.
- High accuracy output voltage with ±1% tolerance for precise regulation.
- Low noise performance, making it suitable for noise-sensitive applications.
- Compact SOT-23-5 package for space-constrained designs.
- Wide input voltage range of 2.2V to 16V for versatile applications.
- Robust operating temperature range from -40°C to 125°C.
Applications
The LP2985A-18DBVT is widely used in applications requiring stable and low-noise voltage regulation. Typical application fields include portable electronics, IoT devices, medical devices, and consumer electronics. Its low dropout voltage and high accuracy make it particularly suitable for battery-powered devices, where maximizing battery life is critical. Additionally, its compact size and robust performance make it an excellent choice for embedded systems and industrial automation.
Q & A
1. What is the output voltage of the LP2985A-18DBVT?
The output voltage is fixed at 1.8V.
2. What is the maximum output current?
The maximum output current is 150 mA.
3. What is the input voltage range?
The input voltage range is 2.2V to 16V.
4. What is the dropout voltage at 150 mA?
The dropout voltage is 0.28V at 150 mA.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LP2985A-18DBVT use?
It uses a SOT-23-5 package.
7. Is this component suitable for noise-sensitive applications?
Yes, it features low noise performance.
8. What is the voltage accuracy?
The voltage accuracy is ±1%.
9. Can this regulator be used in battery-powered devices?
Yes, its low dropout voltage makes it ideal for battery-powered applications.
10. What are typical applications for this component?
Typical applications include portable electronics, IoT devices, and medical devices.
