Texas Instruments

TPS79433DCQG4  

Linear & Switching Voltage Regulators

TPS79433DCQG4 Description

The TPS79433DCQG4 is a high-performance linear regulator from Texas Instruments, designed to deliver a fixed 3.3V output voltage with a maximum output current of 250mA. This device is housed in a Surface Mount SOT223-6 package, making it suitable for compact and space-constrained applications. The regulator operates efficiently within an input voltage range up to 5.5V and features a low dropout voltage of 0.2V at 250mA, ensuring optimal performance even under low input-to-output voltage differentials.

TPS79433DCQG4 Features

• Fixed Output Voltage: The TPS79433DCQG4 provides a stable 3.3V output voltage, ideal for applications requiring a precise and consistent power supply.
• High Efficiency: With a low dropout voltage of 0.2V at 250mA, this regulator maintains high efficiency across a wide range of operating conditions, minimizing power loss and heat generation.
• Low Quiescent Current: The device features a low quiescent current of 220 µA, which is crucial for battery-powered and low-power applications, ensuring minimal power consumption during standby or low-load conditions.
• Enhanced Protection Features: The TPS79433DCQG4 includes comprehensive protection mechanisms such as over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO), safeguarding the regulator and connected circuits from potential damage.
• Control Features: The regulator includes an enable pin, allowing for dynamic control of the output voltage, which is particularly useful in applications requiring power sequencing or power management.
• High Power Supply Rejection Ratio (PSRR): The device offers a PSRR of 65dB to 40dB across a frequency range of 100Hz to 100kHz, ensuring excellent noise rejection and stable output voltage under varying input conditions.
• Compliance and Reliability: The TPS79433DCQG4 is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. The device also has a moisture sensitivity level (MSL) of 2, making it suitable for long-term storage and assembly processes.

TPS79433DCQG4 Applications

The TPS79433DCQG4 is well-suited for a variety of applications due to its robust performance and compact form factor. Key applications include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables, where space and power efficiency are critical.
• Industrial Equipment: Suitable for embedded systems, sensors, and IoT devices that require reliable and stable power supply solutions.
• Telecommunications: Can be used in base stations, routers, and other communication equipment where low noise and high efficiency are essential.
• Automotive Electronics: Applicable in various automotive systems, including infotainment, telematics, and advanced driver-assistance systems (ADAS), where high reliability and protection features are paramount.

Conclusion of TPS79433DCQG4

The TPS79433DCQG4 from Texas Instruments stands out as a versatile and reliable linear regulator, offering a unique combination of high efficiency, low dropout voltage, and comprehensive protection features. Its fixed 3.3V output and low quiescent current make it an excellent choice for low-power and battery-operated applications. With its compact SOT223-6 package and robust performance characteristics, the TPS79433DCQG4 is an ideal solution for designers looking to optimize power management in their electronic systems.

TPS79433DCQG4 Documents

Download datasheets and manufacturer documentation for TPS79433DCQG4