Overview
The LP2985AIM5-1.5 is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. This component is designed to provide a stable 1.5V output voltage with a maximum output current of 150mA. It is part of the PMIC - Linear Regulators category and is widely used in applications requiring precise voltage regulation. The LP2985AIM5-1.5 is packaged in a compact SOT-23-5 form factor, making it suitable for space-constrained designs. Its key features include low dropout voltage, low noise, and high power supply rejection ratio (PSRR), making it ideal for battery-powered and noise-sensitive applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.5 | V | Fixed |
| Input Voltage Range | 2.5 to 16 | V | |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Output Current | 150 | mA | |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 | Surface Mount |
Key Features
- Low dropout voltage for efficient operation in low input voltage conditions.
- Low noise output, making it suitable for noise-sensitive applications.
- High PSRR (Power Supply Rejection Ratio) for stable performance in noisy environments.
- Compact SOT-23-5 package for space-constrained designs.
- Wide input voltage range (2.5V to 16V) for versatile applications.
Applications
The LP2985AIM5-1.5 is commonly used in battery-powered devices, portable electronics, and noise-sensitive applications such as audio equipment and medical devices. Its ability to provide a stable 1.5V output with low dropout and low noise makes it ideal for powering microcontrollers, sensors, and other low-power components in these fields. Additionally, its compact size and surface-mount package make it suitable for integration into small form factor designs.
Q & A
1. What is the output voltage of the LP2985AIM5-1.5?
The output voltage is fixed at 1.5V.
2. What is the maximum input voltage supported?
The maximum input voltage is 16V.
3. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
4. What is the maximum output current?
The maximum output current is 150mA.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LP2985AIM5-1.5 use?
It uses a SOT-23-5 surface-mount package.
7. Is this regulator suitable for battery-powered devices?
Yes, its low dropout voltage and low noise make it ideal for battery-powered applications.
8. Can it be used in noise-sensitive applications?
Yes, it features low noise output and high PSRR, making it suitable for such applications.
9. What is the typical dropout voltage?
The typical dropout voltage is 0.28V at 150mA.
10. Is the output voltage adjustable?
No, the output voltage is fixed at 1.5V.
