Overview
The TPS73401DRVR 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 TPS73xx series, known for its high performance and reliability. The TPS73401DRVR is particularly suitable for portable devices, industrial equipment, and automotive electronics, offering a compact solution with minimal external components. Its key selling points include low dropout voltage, high output accuracy, and excellent transient response, making it a competitive choice in the voltage regulator market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | Adjustable (1.2V to 5.5V) | V | Set via external resistors |
| Output Current | 1 | A | Maximum continuous current |
| Dropout Voltage | 175 | mV | At 1A load |
| Input Voltage Range | 2.7 to 5.5 | V | Operating range |
| Quiescent Current | 85 | µA | Typical value |
| Operating Temperature | -40 to 125 | °C | Industrial-grade |
| Package | DRV (WSON-6) | - | Compact footprint |
| Load Regulation | 0.1 | % | Over full load range |
| Line Regulation | 0.02 | % | Over input voltage range |
| Protection Features | Thermal Shutdown, Current Limit | - | Enhances reliability |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with low input-output differentials.
- High Output Accuracy: Provides precise voltage regulation for sensitive applications.
- Compact Package: The WSON-6 package is ideal for space-constrained designs.
- Low Quiescent Current: Reduces power consumption in battery-operated devices.
- Robust Protection: Includes thermal shutdown and current limit features for enhanced safety.
Applications
The TPS73401DRVR is widely used in various fields due to its reliability and efficiency. In portable electronics, it powers devices such as smartphones, tablets, and wearable technology. In industrial automation, it ensures stable power for control systems and sensors. Additionally, its robust design makes it suitable for automotive electronics, where it supports infotainment systems, lighting, and other vehicle components. Its low dropout voltage and high accuracy also make it a preferred choice for medical devices and IoT applications.
Q & A
1. What is the maximum output current of the TPS73401DRVR?
The TPS73401DRVR can deliver a maximum continuous output current of 1A.
2. How is the output voltage adjusted?
The output voltage is adjustable from 1.2V to 5.5V using external resistors.
3. What is the dropout voltage at full load?
The dropout voltage is 175mV at a 1A load.
4. Is the TPS73401DRVR suitable for automotive applications?
Yes, its industrial-grade temperature range and robust design make it suitable for automotive electronics.
5. What protection features are included?
It includes thermal shutdown and current limit protection.
6. What is the typical quiescent current?
The typical quiescent current is 85µA.
7. What is the input voltage range?
The input voltage range is 2.7V to 5.5V.
8. What package does the TPS73401DRVR use?
It uses a WSON-6 package for compact designs.
9. Can it operate in extreme temperatures?
Yes, it operates in a temperature range of -40°C to 125°C.
10. What are the key advantages of this LDO regulator?
Key advantages include low dropout voltage, high output accuracy, and a compact package.
