Overview
The LP2985AITPX-3.3/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring stable and precise voltage regulation, this device delivers a fixed output voltage of 3.3V with a maximum output current of 150mA. Its compact SOT-23 package makes it ideal for space-constrained designs. The LP2985AITPX-3.3/NOPB is tailored for portable electronics, IoT devices, and other low-power applications, offering exceptional performance, low quiescent current, and thermal shutdown protection. Its market competitiveness lies in its reliability, efficiency, and ease of integration.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.3 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | Typical at 150mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 75 | µA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23 | 5-Pin | |
| Load Regulation | 0.1 | % | Typical |
| Line Regulation | 0.02 | %/V | Typical |
| Thermal Shutdown | Yes | Protection feature |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with small input-output differentials.
- Low Quiescent Current: Ideal for battery-powered applications, extending battery life.
- Thermal Shutdown Protection: Safeguards the device from overheating.
- Compact SOT-23 Package: Suitable for space-constrained designs.
- Stable Output: Provides precise 3.3V regulation for sensitive electronics.
Applications
The LP2985AITPX-3.3/NOPB is widely used in various applications, including:
- Portable Electronics: Such as smartphones, tablets, and wearable devices, where low power consumption and compact size are critical.
- IoT Devices: Provides stable voltage for sensors, microcontrollers, and wireless modules.
- Consumer Electronics: Used in audio devices, cameras, and other low-power gadgets.
- Industrial Automation: Ensures reliable voltage regulation in control systems and sensors.
- Medical Devices: Suitable for portable medical equipment requiring precise voltage control.
Q & A
1. What is the output voltage of the LP2985AITPX-3.3/NOPB?
The output voltage is fixed at 3.3V.
2. What is the maximum output current?
The maximum output current is 150mA.
3. What is the dropout voltage at 150mA?
The dropout voltage is typically 300mV at 150mA.
4. What is the input voltage range?
The input voltage range is 2.5V to 16V.
5. Does this device have thermal shutdown protection?
Yes, it includes thermal shutdown protection.
6. What is the quiescent current?
The quiescent current is typically 75µA.
7. What package does the LP2985AITPX-3.3/NOPB use?
It uses a 5-pin SOT-23 package.
8. Is this device suitable for battery-powered applications?
Yes, its low quiescent current makes it ideal for battery-powered devices.
9. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
10. Can this LDO be used in industrial applications?
Yes, it is suitable for industrial automation and control systems.
