Overview
The LP2985AIM5-3.8 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and precise 3.8V output, this component is part of the LP2985 series, known for its low quiescent current and high accuracy. The LP2985AIM5-3.8 is ideal for battery-powered devices, portable electronics, and other applications where power efficiency and compact size are critical. Its small SOT-23-5 package makes it suitable for space-constrained designs, while its low dropout voltage ensures efficient operation even with low input voltages.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.8 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | Typical at 150 mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 85 | µA | Typical |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with low input voltages.
- Low Quiescent Current: Enhances battery life in portable applications.
- High Accuracy: Provides a stable and precise 3.8V output.
- Compact Package: SOT-23-5 package is ideal for space-constrained designs.
- Wide Input Voltage Range: Supports input voltages from 2.5V to 16V.
Applications
The LP2985AIM5-3.8 is widely used in applications requiring a stable 3.8V power supply. Its key application areas include:
- Portable Electronics: Such as smartphones, tablets, and wearable devices, where power efficiency is critical.
- Battery-Powered Devices: Including wireless sensors, remote controls, and handheld instruments.
- Industrial Automation: For powering low-voltage sensors and control circuits.
- Consumer Electronics: Such as digital cameras, audio players, and gaming devices.
Q & A
1. What is the output voltage of the LP2985AIM5-3.8?
The output voltage is fixed at 3.8V.
2. What is the maximum output current?
The maximum output current is 150 mA.
3. What is the dropout voltage?
The typical dropout voltage is 300 mV at 150 mA.
4. What is the input voltage range?
The input voltage range is 2.5V to 16V.
5. What is the quiescent current?
The typical quiescent current is 85 µA.
6. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
7. What package does the LP2985AIM5-3.8 come in?
It comes in a SOT-23-5 package.
8. Is this LDO regulator suitable for battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered applications.
9. Can it be used in industrial applications?
Yes, it is suitable for powering low-voltage sensors and control circuits in industrial automation.
10. What are the key advantages of this regulator?
The key advantages include low dropout voltage, low quiescent current, high accuracy, and a compact package.
