Texas Instruments

TPS79430DCQG4

TPS79430DCQG4 Description

The TPS79430DCQG4 is a high-performance linear voltage regulator designed by Texas Instruments. It offers a fixed output voltage of 3V with a maximum input voltage of 5.5V, making it suitable for a wide range of applications requiring stable power supply. This regulator is capable of delivering up to 250mA of output current, ensuring reliable operation in various electronic systems. The device features a low dropout voltage of 0.21V at 250mA, which enhances efficiency and minimizes power loss, especially in low-voltage applications.

The TPS79430DCQG4 is housed in a surface-mount SOT223-6 package, which is ideal for compact designs and high-density PCB layouts. It includes an enable control feature, allowing users to turn the regulator on and off as needed, which can be particularly useful for power management in battery-operated devices. The regulator also offers comprehensive protection features, including over-current protection, over-temperature protection, reverse polarity protection, and under-voltage lockout (UVLO), ensuring robustness and reliability in harsh operating conditions.

TPS79430DCQG4 Features

• Fixed Output Voltage: Provides a stable 3V output voltage, ensuring consistent performance.
• Low Dropout Voltage: With a maximum dropout voltage of 0.21V at 250mA, it maintains high efficiency even at low input voltages.
• Enable Control Feature: Allows for dynamic power management, enhancing flexibility in system design.
• Comprehensive Protection: Features over-current, over-temperature, reverse polarity, and under-voltage lockout protections to safeguard the device and connected components.
• Low Quiescent Current: Consumes only 220 µA in quiescent state, making it suitable for low-power applications.
• High Power Supply Rejection Ratio (PSRR): Ranging from 65dB at 100Hz to 40dB at 100kHz, it effectively filters out noise from the input power supply.
• Surface-Mount Package: The SOT223-6 package is ideal for compact and high-density PCB designs.
• Compliance: Meets REACH and ROHS3 compliance standards, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level: MSL 2 (1 Year), suitable for standard manufacturing processes.

TPS79430DCQG4 Applications

The TPS79430DCQG4 is well-suited for a variety of applications where a stable, low-dropout voltage regulator is required. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics where efficiency and low power consumption are critical.
• Embedded Systems: Suitable for microcontroller and microprocessor-based systems that require a stable power supply.
• Telecommunications: Can be used in low-voltage power supplies for communication modules and IoT devices.
• Industrial Controls: Provides reliable power for sensors, actuators, and other industrial components.
• Consumer Electronics: Suitable for a wide range of consumer devices that require a stable 3V supply.

Conclusion of TPS79430DCQG4

The TPS79430DCQG4 from Texas Instruments stands out as a reliable and efficient linear voltage regulator, offering a fixed 3V output with a low dropout voltage and comprehensive protection features. Its low quiescent current and high PSRR make it suitable for low-power and noise-sensitive applications. The enable control feature adds versatility, allowing for dynamic power management. With its compact surface-mount package and compliance with environmental standards, the TPS79430DCQG4 is an excellent choice for a wide range of electronic systems, from portable devices to industrial controls.