Texas Instruments

TPS73233DCQRG4

TPS73233DCQRG4 Description

The TPS73233DCQRG4 is a fixed output linear voltage regulator from Texas Instruments, designed to deliver a stable 3.3V output voltage with a maximum output current of 250mA. This regulator is part of the TPS732xx series and is housed in a surface-mount SOT223-6 package, making it suitable for compact and high-density PCB designs. The device operates within an input voltage range up to 5.5V and features a low dropout voltage of 0.15V at 250mA, ensuring efficient power conversion even at low input-to-output differentials.

TPS73233DCQRG4 Features

• Fixed Output Voltage: The TPS73233DCQRG4 provides a fixed output voltage of 3.3V, ideal for applications requiring a stable and precise power supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.15V at 250mA, this regulator maintains high efficiency even when the input voltage is close to the output voltage.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) ranging from 58dB at 100Hz to 37dB at 10kHz, effectively filtering out noise from the input supply.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator's operation, enabling power savings and controlled startup/shutdown sequences.
• Protection Features: The TPS73233DCQRG4 includes comprehensive protection features such as over-current, over-temperature, short-circuit, and reverse polarity protection, ensuring robust and reliable operation.
• Low Quiescent Current: The regulator has a low quiescent current of 550 µA, minimizing power consumption during normal operation.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is available in a tape and reel (TR) package, facilitating automated assembly processes.

TPS73233DCQRG4 Applications

The TPS73233DCQRG4 is well-suited for a variety of applications where a stable and efficient power supply is required. Key applications include:

• Embedded Systems: Ideal for powering microcontrollers and other low-power embedded devices that require a stable 3.3V supply.
• Consumer Electronics: Suitable for portable devices and consumer electronics where compact size and low power consumption are critical.
• Industrial Controls: Provides reliable power for sensors, actuators, and other industrial control components.
• Telecommunications: Can be used in communication modules and base stations where stable voltage regulation is essential.
• Automotive Electronics: Suitable for automotive applications requiring a robust and reliable power supply with comprehensive protection features.

Conclusion of TPS73233DCQRG4

The TPS73233DCQRG4 from Texas Instruments is a versatile and efficient linear voltage regulator designed to meet the demands of modern electronic systems. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the TPS73233DCQRG4 remains a valuable component for designers seeking a stable 3.3V power supply with minimal power loss and high noise rejection. Its compact SOT223-6 package and surface-mount configuration ensure ease of integration into space-constrained designs.