Overview
The TPS73131DBVR is a linear voltage regulator produced by Texas Instruments, designed for applications requiring a stable and low-noise power supply. This component falls under the category of PMIC (Power Management Integrated Circuits) and is specifically a low-dropout (LDO) regulator. It is targeted at portable and battery-powered devices, offering high efficiency and low quiescent current, making it ideal for energy-sensitive applications. Its compact SOT-23-5 package and robust performance make it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Configuration | Positive | - | - |
| Output Type | Fixed | - | - |
| Number of Regulators | 1 | - | - |
| Input Voltage | Up to 6V | V | - |
| Output Voltage | 3.1V | V | Fixed |
| Dropout Voltage | 0.31V @ 200mA | V | - |
| Output Current | 200mA | mA | - |
| Quiescent Current | 300 nA | nA | - |
| PSRR | 55dB @ 1kHz | dB | - |
| Protection Features | Overcurrent, Overtemperature, UVLO | - | - |
| Operating Temperature | -40°C to 125°C | °C | - |
| Package | SOT-23-5 | - | - |
Key Features
- Low dropout voltage for efficient operation in low-input voltage scenarios.
- Ultra-low quiescent current, making it suitable for battery-powered devices.
- High PSRR (Power Supply Rejection Ratio) for stable output in noisy environments.
- Integrated protection features such as overcurrent, overtemperature, and UVLO (Undervoltage Lockout).
- Compact SOT-23-5 package for space-constrained applications.
Applications
The TPS73131DBVR is widely used in portable and battery-powered devices, such as smartphones, tablets, and wearable electronics. It is also suitable for industrial applications where stable and low-noise power is critical, including sensors, IoT devices, and embedded systems. Its low quiescent current and high efficiency make it an excellent choice for energy-sensitive designs.
Q & A
1. What is the input voltage range for TPS73131DBVR?
The input voltage range is up to 6V.
2. What is the output voltage of TPS73131DBVR?
The output voltage is fixed at 3.1V.
3. What is the dropout voltage of TPS73131DBVR?
The dropout voltage is 0.31V at 200mA output current.
4. What is the quiescent current of TPS73131DBVR?
The quiescent current is 300 nA.
5. What are the protection features of TPS73131DBVR?
It includes overcurrent, overtemperature, and undervoltage lockout (UVLO) protection.
6. What is the PSRR of TPS73131DBVR?
The PSRR is 55dB at 1kHz.
7. What is the operating temperature range of TPS73131DBVR?
The operating temperature range is -40°C to 125°C.
8. What package does TPS73131DBVR use?
It uses the SOT-23-5 package.
9. Is TPS73131DBVR suitable for battery-powered devices?
Yes, its low quiescent current and high efficiency make it ideal for battery-powered applications.
10. What are typical applications of TPS73131DBVR?
Typical applications include portable electronics, IoT devices, and industrial sensors.
