Overview
The LP2985AIM5-3.1/NOPB is a high-precision, low-dropout (LDO) voltage regulator produced by Texas Instruments. This component is designed for portable and non-portable applications, offering excellent performance and cost-efficiency. It is part of the LP2985 series, which provides fixed output voltages with a 1% tolerance. The LP2985AIM5-3.1/NOPB is particularly suited for applications requiring stable and low-noise power supply, such as consumer electronics, industrial automation, and automotive systems. Its compact SOT-23-5 package makes it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.1 | V | Fixed |
| Output Current | 150 | mA | Continuous |
| Input Voltage Range | 2.5 to 16 | V | |
| Dropout Voltage | 0.58 | V | @ 150 mA |
| Quiescent Current | 95 | μA | |
| PSRR | 45 | dB | @ 1 kHz |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 |
Key Features
- Fixed output voltage of 3.1 V with 1% tolerance.
- Low dropout voltage of 0.58 V at 150 mA load current.
- Low quiescent current of 95 μA for power efficiency.
- High power supply rejection ratio (PSRR) of 45 dB at 1 kHz.
- Compact SOT-23-5 package suitable for space-constrained applications.
- Protection features include overcurrent, overtemperature, and short-circuit protection.
Applications
The LP2985AIM5-3.1/NOPB is widely used in various applications requiring stable and low-noise power supply. In consumer electronics, it is employed in portable devices such as smartphones, tablets, and digital cameras. In industrial automation, it provides reliable power to sensors, actuators, and control systems. In automotive systems, it ensures stable voltage for infotainment systems, navigation units, and other electronic components. Its robust design and protection features make it suitable for harsh environments.
Q & A
1. What is the output voltage of the LP2985AIM5-3.1/NOPB?
The output voltage is fixed at 3.1 V.
2. What is the maximum output current?
The maximum continuous output current is 150 mA.
3. What is the input voltage range?
The input voltage range is from 2.5 V to 16 V.
4. What is the dropout voltage at 150 mA?
The dropout voltage is 0.58 V at 150 mA.
5. What is the quiescent current?
The quiescent current is 95 μA.
6. What is the PSRR at 1 kHz?
The PSRR is 45 dB at 1 kHz.
7. What is the operating temperature range?
The operating temperature range is from -40°C to 125°C.
8. What package does the LP2985AIM5-3.1/NOPB use?
It uses the SOT-23-5 package.
9. What protection features are included?
Protection features include overcurrent, overtemperature, and short-circuit protection.
10. What are typical applications for this regulator?
Typical applications include consumer electronics, industrial automation, and automotive systems.
