Overview
The LP2985AIM5-3.1 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and efficient power supply, this component is part of the LP2985 series, known for its low noise and high accuracy. The LP2985AIM5-3.1 is particularly suitable for portable devices, IoT applications, and other battery-powered systems where power efficiency and compact size are critical. Its key selling points include a fixed output voltage of 3.1V, low quiescent current, and a wide input voltage range, making it a competitive choice in the LDO market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.5 to 16 | V | |
| Output Voltage | 3.1 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 0.58 | V | @ 150mA |
| Quiescent Current | 71 | µA | @ ILOAD = 0mA |
| PSRR | 70 | dB | @ 1kHz |
| Operating Temperature | -40 to +125 | °C | |
| Package | SOT-23-5 |
Key Features
- Fixed output voltage of 3.1V with high accuracy (±1%).
- Low dropout voltage of 580mV at 150mA load current.
- Low quiescent current of 71µA, enhancing battery life in portable devices.
- High power supply rejection ratio (PSRR) of 70dB at 1kHz, ensuring stable output in noisy environments.
- Compact SOT-23-5 package, ideal for space-constrained designs.
- Built-in protection features, including overcurrent and thermal shutdown.
Applications
The LP2985AIM5-3.1 is widely used in various applications, including portable electronics, IoT devices, and battery-powered systems. Its low noise and high efficiency make it suitable for powering sensitive analog and digital circuits in consumer electronics, such as smartphones and tablets. Additionally, it is commonly employed in industrial automation, medical devices, and automotive electronics, where reliable and stable power supply is essential. Its compact size and low power consumption also make it a preferred choice for wearable technology and other miniaturized devices.
Q & A
What is the input voltage range of the LP2985AIM5-3.1?
The input voltage range is 2.5V to 16V.
What is the output voltage of this component?
The output voltage is fixed at 3.1V.
What is the maximum output current it can handle?
The maximum output current is 150mA.
What is the dropout voltage at 150mA load?
The dropout voltage is 580mV at 150mA load.
What is the quiescent current of the LP2985AIM5-3.1?
The quiescent current is 71µA when there is no load.
What is the PSRR of this LDO regulator?
The PSRR is 70dB at 1kHz.
What are the built-in protection features?
It includes overcurrent and thermal shutdown protection.
What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
What package does the LP2985AIM5-3.1 use?
It uses a SOT-23-5 package.
Is this component suitable for battery-powered devices?
Yes, its low quiescent current and high efficiency make it ideal for battery-powered applications.
