Overview
The TPS70939DBVR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This component is designed to provide a stable and reliable power supply in various electronic applications. It is part of the TPS709xx series, known for its low quiescent current and high accuracy. The TPS70939DBVR is particularly suitable for battery-powered devices and other applications where power efficiency is critical. Its compact SOT-23 package makes it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.9 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | At 150 mA |
| Quiescent Current | 1.2 | µA | Typical |
| Input Voltage Range | 2.5 to 5.5 | V | |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 |
Key Features
- Low dropout voltage for efficient power management.
- Ultra-low quiescent current extends battery life in portable devices.
- High accuracy output voltage ensures reliable performance.
- Thermal shutdown and current limit protection enhance safety.
- Compact SOT-23 package for space-constrained applications.
Applications
The TPS70939DBVR is widely used in battery-powered devices such as smartphones, tablets, and wearable electronics. It is also suitable for industrial applications, including sensors and IoT devices, where stable and efficient power supply is essential. Additionally, it finds use in consumer electronics and automotive systems, particularly in low-power modules and control units.
Q & A
1. What is the output voltage of the TPS70939DBVR?
The output voltage is fixed at 3.9 V.
2. What is the maximum output current it can handle?
The maximum output current is 150 mA.
3. What is the dropout voltage at 150 mA?
The dropout voltage is 300 mV at 150 mA.
4. What is the typical quiescent current?
The typical quiescent current is 1.2 µA.
5. What is the input voltage range?
The input voltage range is 2.5 V to 5.5 V.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. What package does the TPS70939DBVR come in?
It comes in an SOT-23-5 package.
8. Is this component suitable for battery-powered devices?
Yes, its low quiescent current and dropout voltage make it ideal for battery-powered applications.
9. Does it include protection features?
Yes, it includes thermal shutdown and current limit protection.
10. What are some typical applications?
Typical applications include smartphones, tablets, wearable electronics, sensors, and IoT devices.
