Overview
The LP2985AIM5X-2.9 is a low-noise, low-dropout (LDO) voltage regulator produced by Texas Instruments. This component is designed for applications requiring a stable and precise voltage supply with minimal noise. It is part of the LP2985 series, known for its high performance in power management solutions. The LP2985AIM5X-2.9 is particularly suited for portable devices, consumer electronics, and industrial applications where efficiency and reliability are critical. Its compact SOT-23-5 package makes it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.5 to 16 | V | |
| Output Voltage | 2.9 | V | Fixed |
| Output Current | 150 | mA | |
| Dropout Voltage | 300 | mV | Typical |
| Quiescent Current | 71 | µA | ILOAD = 0mA |
| Noise | 30 | µV RMS | With 10nF bypass capacitor |
| PSRR | 70 | dB | At 1kHz |
| Operating Temperature | -40 to +125 | °C | |
| Package | SOT-23-5 |
Key Features
- Low dropout voltage for efficient power conversion.
- Ultra-low noise output, ideal for sensitive analog circuits.
- High power supply rejection ratio (PSRR) for stable operation in noisy environments.
- Wide input voltage range supports diverse applications.
- Compact SOT-23-5 package for space-saving designs.
- Built-in current limit and thermal protection for enhanced reliability.
Applications
The LP2985AIM5X-2.9 is widely used in portable electronics, such as smartphones, tablets, and wearable devices, where a stable and low-noise power supply is essential. It is also suitable for industrial control systems, medical devices, and automotive electronics, thanks to its robust performance and reliability. Additionally, this regulator is ideal for powering microcontrollers, sensors, and other low-power components in IoT devices.
Q & A
1. What is the output voltage of the LP2985AIM5X-2.9?
The output voltage is fixed at 2.9V.
2. What is the maximum output current?
The maximum output current is 150mA.
3. What is the dropout voltage of this regulator?
The typical dropout voltage is 300mV.
4. Is this regulator suitable for battery-powered devices?
Yes, its low dropout voltage and low quiescent current make it ideal for battery-powered applications.
5. Does it include thermal protection?
Yes, the LP2985AIM5X-2.9 features built-in thermal protection.
6. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
7. What is the noise level of the output?
The output noise is 30µV RMS with a 10nF bypass capacitor.
8. Can it be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design.
9. What is the PSRR of this regulator?
The PSRR is 70dB at 1kHz.
10. What package does it come in?
It is available in a SOT-23-5 package.
