Overview
The TPS73125DBVRG4 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 TPS731xx series, known for its high performance and reliability. The TPS73125DBVRG4 is specifically engineered to deliver a fixed output voltage of 1.25V with a maximum output current of 150mA. Its NMOS topology ensures low dropout voltage and excellent transient response, making it suitable for a wide range of electronic devices. This LDO is targeted at portable electronics, IoT devices, and other power-sensitive applications where efficiency and compact design are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.25 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 170 | mV | Typical at 150mA |
| Input Voltage Range | 1.7 to 5.5 | V | |
| Quiescent Current | 1.1 | µA | Typical |
| Package | SOT-23-5 | ||
| Operating Temperature | -40 to 125 | °C |
Key Features
- Low dropout voltage for efficient power management.
- Ultra-low quiescent current, ideal for battery-powered applications.
- Stable operation with small ceramic capacitors.
- Thermal shutdown and current limit protection for enhanced reliability.
- Compact SOT-23-5 package for space-constrained designs.
Applications
The TPS73125DBVRG4 is widely used in portable electronics, IoT devices, and embedded systems where a stable and efficient power supply is essential. Its low dropout voltage and ultra-low quiescent current make it particularly suitable for battery-powered applications such as wearables, sensors, and handheld devices. Additionally, its compact form factor and robust protection features ensure reliable performance in industrial and automotive electronics.
Q & A
1. What is the output voltage of the TPS73125DBVRG4?
The TPS73125DBVRG4 provides a fixed output voltage of 1.25V.
2. What is the maximum output current it can deliver?
It can deliver a maximum output current of 150mA.
3. What is the typical dropout voltage at 150mA?
The typical dropout voltage is 170mV at 150mA.
4. What is the input voltage range for this LDO?
The input voltage range is from 1.7V to 5.5V.
5. What is the quiescent current of the TPS73125DBVRG4?
The typical quiescent current is 1.1µA.
6. What package does the TPS73125DBVRG4 come in?
It is available in a compact SOT-23-5 package.
7. What protection features does this LDO include?
It includes thermal shutdown and current limit protection.
8. Is the TPS73125DBVRG4 suitable for battery-powered applications?
Yes, its low dropout voltage and ultra-low quiescent current make it ideal for battery-powered devices.
9. Can it operate with ceramic capacitors?
Yes, it is stable with small ceramic capacitors.
10. What are the typical applications of this LDO?
Typical applications include portable electronics, IoT devices, and embedded systems.
