TPS79333DBVRG4Q1

The TPS79333DBVRG4Q1 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments, designed for automotive applications. It is part of the TPS793 family of LDOs, which are known for their high performance and efficiency in providing a stable output voltage.

Key Features:

1. Output Voltage: The TPS79333 provides a fixed output voltage of 3.3V, making it suitable for powering various digital circuits and components that require a stable voltage supply.

2. Input Voltage Range: The device operates with an input voltage range of 2.5V to 5.5V, allowing it to be used in a variety of applications where the input voltage may vary.

3. Low Dropout Voltage: The LDO features a low dropout voltage of approximately 300mV at a 200mA load, which means it can maintain regulation even when the input voltage is close to the output voltage. This is particularly beneficial in battery-powered applications where maximizing battery life is crucial.

4. Output Current: The TPS79333 can deliver up to 200mA of output current, making it suitable for powering low to moderate current loads.

5. Quiescent Current: It has a low quiescent current, typically around 30µA, which helps in reducing power consumption, especially in battery-operated devices.

6. Thermal Protection: The device includes thermal shutdown protection, which prevents damage due to overheating by shutting down the regulator if the junction temperature exceeds a certain threshold.

7. Package Type: The TPS79333DBVRG4Q1 comes in a small, compact SOT-23 package, which is ideal for space-constrained applications. The SOT-23 package allows for easy integration into printed circuit boards (PCBs).

8. Automotive Grade: This part is specifically designed for automotive applications, meeting stringent automotive standards for reliability and performance.

9. Stability: The LDO is stable with a wide range of output capacitors, including ceramic capacitors, which are commonly used in modern electronic designs.

10. Applications: Typical applications include automotive electronics, microcontrollers, sensors, and other low-power devices that require a stable 3.3V supply.

Electrical Characteristics:

• Input Voltage (Vin): 2.5V to 5.5V
• Output Voltage (Vout): 3.3V
• Output Current (Iout): Up to 200mA
• Dropout Voltage (Vdo): 300mV at 200mA
• Quiescent Current (Iq): 30µA (typical)
• Operating Temperature Range: -40°C to +125°C

Conclusion:

The TPS79333DBVRG4Q1 is a versatile and efficient LDO voltage regulator suitable for a wide range of automotive and low-power applications. Its combination of low dropout voltage, low quiescent current, and robust thermal protection makes it an excellent choice for designers looking to ensure reliable performance in their electronic systems.