Overview
The TPS71710DCKT is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. Designed for applications requiring high power supply rejection ratio (PSRR) and low noise, this component is ideal for portable and battery-powered devices. It delivers a fixed output voltage with a maximum current of 150mA, making it suitable for a wide range of electronic systems. The TPS71710DCKT is housed in a compact SC70-5 package, ensuring minimal footprint on PCBs. Its market positioning targets industries such as consumer electronics, industrial automation, and medical devices, where stable and efficient power management is critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Current | 150 | mA | Maximum |
| Input Voltage Range | 2.5 to 6.5 | V | |
| Output Voltage | Fixed (e.g., 1V, 3V) | V | Depends on variant |
| Dropout Voltage | 0.3 | V | @ 150mA |
| Quiescent Current | 80 | µA | |
| PSRR | 70 to 45 | dB | 100Hz to 1MHz |
| Operating Temperature | -40 to 125 | °C | |
| Package | SC70-5 |
Key Features
- High PSRR for noise-sensitive applications.
- Low quiescent current for extended battery life.
- Stable operation with a 1µF ceramic output capacitor.
- Compact SC70-5 package for space-constrained designs.
- Protection features include overcurrent, overtemperature, and reverse polarity protection.
Applications
The TPS71710DCKT is widely used in applications requiring stable and efficient power management. Typical use cases include portable electronics such as smartphones and tablets, industrial control systems, and medical devices. Its high PSRR and low noise characteristics make it particularly suitable for RF and analog circuits, where power supply noise can significantly impact performance. Additionally, its compact size and low power consumption make it an excellent choice for IoT devices and wearable technology.
Q & A
1. What is the maximum output current of the TPS71710DCKT?
The maximum output current is 150mA.
2. What is the input voltage range for this component?
The input voltage range is 2.5V to 6.5V.
3. Does the TPS71710DCKT require an external capacitor for stability?
Yes, it requires a 1µF ceramic output capacitor for stable operation.
4. What is the dropout voltage at 150mA?
The dropout voltage is 0.3V at 150mA.
5. What is the quiescent current of this LDO?
The quiescent current is 80µA.
6. What is the PSRR of the TPS71710DCKT?
The PSRR ranges from 70dB at 100Hz to 45dB at 1MHz.
7. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
8. What package does the TPS71710DCKT use?
It uses the SC70-5 package.
9. Is the TPS71710DCKT suitable for battery-powered devices?
Yes, its low quiescent current makes it ideal for battery-powered applications.
10. What protection features does this LDO offer?
It includes overcurrent, overtemperature, and reverse polarity protection.
