TPS76301QDBVRG4Q1

The TPS76301QDBVRG4Q1 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments, designed for high-performance applications requiring a stable output voltage with minimal noise. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Low-Dropout Voltage Regulator
• Manufacturer: Texas Instruments
• Part Number: TPS76301QDBVRG4Q1
• Package Type: QFN (Quad Flat No-lead) with a 16-pin configuration, which allows for a compact design and efficient thermal performance.

Key Features:

• Input Voltage Range: The device typically operates with an input voltage range of 2.5V to 5.5V, making it suitable for a variety of power supply applications.
• Output Voltage: The TPS76301QDBVRG4Q1 provides a fixed output voltage of 3.3V, which is commonly used in digital circuits and microcontroller applications.
• Output Current: It can deliver up to 1A of output current, making it capable of powering various loads while maintaining stability.
• Low Dropout Voltage: The LDO features a low dropout voltage of approximately 300mV at full load, which allows for efficient operation even when the input voltage is close to the output voltage.
• Power Supply Rejection Ratio (PSRR): The device exhibits excellent PSRR, ensuring that variations in the input voltage do not significantly affect the output voltage, which is crucial for sensitive analog applications.
• Thermal Protection: Integrated thermal shutdown protection helps prevent damage due to overheating, enhancing the reliability of the device in various operating conditions.
• Short-Circuit Protection: The TPS76301QDBVRG4Q1 includes short-circuit protection, which safeguards the device and the load in case of a fault condition.

Electrical Characteristics:

• Quiescent Current: The device has a low quiescent current, which is beneficial for battery-powered applications, as it helps extend battery life.
• Temperature Range: It operates over an extended temperature range, typically from -40°C to +125°C, making it suitable for automotive and industrial applications.

Applications:

• Microcontrollers and DSPs: Ideal for powering microcontrollers, digital signal processors, and other low-voltage logic devices.
• Portable Devices: Suitable for battery-operated devices due to its low dropout and quiescent current.
• Communication Equipment: Used in various communication devices where stable voltage is critical.
• Automotive Applications: The device is qualified for automotive applications, adhering to AEC-Q100 standards.

Conclusion:

The TPS76301QDBVRG4Q1 from Texas Instruments is a versatile and reliable LDO voltage regulator that combines low dropout voltage, high output current capability, and robust protection features, making it an excellent choice for a wide range of electronic applications. Its compact QFN package and high performance make it particularly suitable for space-constrained designs.