Overview
The TPS709B50DBVR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and reliable power supply, this LDO regulator delivers a fixed output voltage of 5.0V with a maximum output current of 150mA. It is housed in a compact SOT-23-5 package, making it ideal for space-constrained designs. The TPS709B50DBVR is well-suited for a wide range of applications, including industrial, automotive, and consumer electronics, offering excellent performance in terms of low quiescent current, thermal shutdown, and current limit protection. Its robust design and competitive pricing make it a popular choice among engineers seeking efficient power management solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 5.0 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | At 150mA |
| Input Voltage Range | 2.7 to 30 | V | |
| Quiescent Current | 17 | µA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 | ||
| Thermal Shutdown | Yes | ||
| Current Limit Protection | Yes | ||
| Line Regulation | 0.02 | %/V | Typical |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with low input voltages.
- Low Quiescent Current: Minimizes power consumption in standby or idle modes.
- Thermal Shutdown Protection: Safeguards the device from overheating.
- Current Limit Protection: Protects the regulator and load from overcurrent conditions.
- Wide Input Voltage Range: Supports operation in diverse power supply environments.
- Compact Package: SOT-23-5 package enables use in space-constrained applications.
Applications
The TPS709B50DBVR is widely used in various industries due to its reliability and efficiency. In industrial automation, it powers sensors, controllers, and communication modules. In automotive electronics, it ensures stable voltage for infotainment systems, lighting, and control units. In consumer electronics, it is ideal for portable devices, IoT gadgets, and battery-powered applications. Its low quiescent current and thermal protection make it particularly suitable for energy-efficient and safety-critical designs.
Q & A
1. What is the output voltage of the TPS709B50DBVR?
The TPS709B50DBVR provides a fixed output voltage of 5.0V.
2. What is the maximum output current it can handle?
It can deliver a maximum output current of 150mA.
3. What is the dropout voltage of this LDO regulator?
The dropout voltage is 300mV at 150mA.
4. What is the input voltage range for this device?
The input voltage range is 2.7V to 30V.
5. Does it have thermal shutdown protection?
Yes, the TPS709B50DBVR includes thermal shutdown protection.
6. What is the typical quiescent current?
The typical quiescent current is 17µA.
7. What package does this regulator come in?
It is available in a SOT-23-5 package.
8. Is it suitable for automotive applications?
Yes, it is well-suited for automotive electronics due to its robust design and wide input voltage range.
9. Can it be used in battery-powered devices?
Yes, its low quiescent current and dropout voltage make it ideal for battery-powered applications.
10. Does it have current limit protection?
Yes, the TPS709B50DBVR includes current limit protection to prevent overcurrent conditions.
