Overview
The LP2985AIM5X-1.8 is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments (formerly National Semiconductor). It is designed to provide a fixed output voltage of 1.8V with a maximum output current of 150mA. This regulator is part of the LP2985 series, known for its high performance and cost-effectiveness in portable and non-portable applications. The LP2985AIM5X-1.8 is housed in a compact SOT-23-5 package, making it suitable for space-constrained designs. Its key features include low dropout voltage, low quiescent current, and protection mechanisms such as overcurrent and thermal shutdown.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.8 | V | Fixed |
| Input Voltage Range | 2.5 to 16 | V | |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Output Current | 150 | mA | Maximum |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 | Surface Mount | |
| Regulator Type | LDO | Linear | |
| Protection Features | Overcurrent, Thermal Shutdown |
Key Features
- Fixed output voltage of 1.8V for stable power supply.
- Low dropout voltage of 0.28V at 150mA, ensuring efficient operation even with low input voltages.
- Compact SOT-23-5 package ideal for space-constrained applications.
- Low quiescent current for power-saving designs.
- Built-in overcurrent and thermal shutdown protection for enhanced reliability.
Applications
The LP2985AIM5X-1.8 is widely used in various applications requiring a stable and efficient power supply. Typical applications include portable devices such as smartphones, tablets, and handheld electronics, where its low dropout voltage and compact size are advantageous. It is also suitable for non-portable applications like industrial control systems, automotive electronics, and consumer electronics, where reliable voltage regulation is critical.
Q & A
1. What is the output voltage of the LP2985AIM5X-1.8?
The LP2985AIM5X-1.8 provides a fixed output voltage of 1.8V.
2. What is the maximum output current?
The maximum output current is 150mA.
3. What is the input voltage range?
The input voltage range is 2.5V to 16V.
4. What is the dropout voltage?
The dropout voltage is 0.28V at 150mA.
5. What package does the LP2985AIM5X-1.8 use?
It uses a SOT-23-5 surface-mount package.
6. What are the protection features?
It includes overcurrent and thermal shutdown protection.
7. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
8. Is the LP2985AIM5X-1.8 suitable for portable devices?
Yes, its low dropout voltage and compact size make it ideal for portable devices.
9. Can it be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design and protection features.
10. What is the quiescent current?
The quiescent current is low, ensuring efficient power consumption in battery-operated devices.
