Overview
The LP2985AIM5-5.3/NOPB is a low-noise, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and precise voltage supply, this component is part of the LP2985 series, known for its high efficiency and compact design. The LP2985AIM5-5.3/NOPB is particularly suitable for battery-powered devices, portable electronics, and other low-power systems where noise and power consumption are critical factors. Its fixed 5.3V output and robust performance make it a reliable choice for engineers and designers in the consumer electronics, industrial, and automotive sectors.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.5 to 16 | V | |
| Output Voltage | 5.3 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 280 | mV | @ 150mA |
| Quiescent Current | 95 | μA | |
| PSRR | 45 | dB | |
| Operating Temperature | -40 to +125 | °C | |
| Package | SOT-23-5 |
Key Features
- Fixed 5.3V output with ±1% accuracy.
- Low dropout voltage of 280mV at 150mA load.
- Low quiescent current of 95μA, ideal for battery-powered applications.
- High power supply rejection ratio (PSRR) of 45dB.
- Compact SOT-23-5 package for space-constrained designs.
- Built-in overcurrent, overtemperature, and short-circuit protection.
Applications
The LP2985AIM5-5.3/NOPB is widely used in various applications, including portable electronics, medical devices, and automotive systems. Its low noise and high efficiency make it ideal for powering sensitive analog and digital circuits. In consumer electronics, it is commonly used in smartphones, tablets, and wearable devices. In industrial settings, it provides stable voltage regulation for sensors and control systems. Additionally, its robust design ensures reliable performance in automotive applications, such as infotainment systems and advanced driver-assistance systems (ADAS).
Q & A
1. What is the input voltage range of the LP2985AIM5-5.3/NOPB?
The input voltage range is 2.5V to 16V.
2. What is the fixed output voltage of this regulator?
The fixed output voltage is 5.3V.
3. What is the maximum output current it can handle?
The maximum output current is 150mA.
4. What is the dropout voltage at 150mA load?
The dropout voltage is 280mV at 150mA load.
5. What is the quiescent current of the LP2985AIM5-5.3/NOPB?
The quiescent current is 95μA.
6. What is the PSRR of this regulator?
The power supply rejection ratio (PSRR) is 45dB.
7. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
8. What package does this regulator come in?
It comes in a SOT-23-5 package.
9. Does it have built-in protection features?
Yes, it includes overcurrent, overtemperature, and short-circuit protection.
10. What are some typical applications of this regulator?
Typical applications include portable electronics, medical devices, automotive systems, and industrial sensors.
