Texas Instruments

TPS79433DCQRG4  

Linear & Switching Voltage Regulators

TPS79433DCQRG4 Description

The TPS79433DCQRG4 is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 3.3V and capable of delivering up to 250mA of current. This regulator is optimized for low dropout voltage operation, with a maximum dropout voltage of 0.2V at full load, making it suitable for applications where input voltage levels are close to the desired output voltage. The device is housed in a compact SOT223-6 package, ideal for surface mount applications, and is RoHS3 compliant, ensuring environmental sustainability.

TPS79433DCQRG4 Features

• Output Type: Fixed 3.3V output voltage, ensuring stable power supply for sensitive electronics.
• Input Voltage Range: Capable of operating with input voltages up to 5.5V, providing flexibility in power source selection.
• Output Current: Delivers a maximum output current of 250mA, suitable for a wide range of low-power applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.2V at 250mA ensures efficient power conversion even at low input-to-output voltage differentials.
• Enable Control: Features an enable pin, allowing for dynamic control of the regulator’s operation, which can be useful for power management in systems with multiple power states.
• Protection Features: Includes over current, over temperature, reverse polarity, and under voltage lockout (UVLO) protections, enhancing reliability and safeguarding against various fault conditions.
• Power Supply Rejection Ratio (PSRR): Offers a PSRR of 65dB to 40dB across the frequency range of 100Hz to 100kHz, ensuring minimal noise and ripple in the output voltage.
• Quiescent Current: Low quiescent current of 220 µA, contributing to high efficiency and reduced power consumption in standby mode.
• Compliance and Packaging: Complies with REACH and RoHS3 standards, and is available in a moisture sensitivity level (MSL) 2 package, suitable for long-term storage and assembly processes.

TPS79433DCQRG4 Applications

The TPS79433DCQRG4 is well-suited for a variety of applications requiring a stable and efficient power supply. Its low dropout voltage and fixed output voltage make it ideal for battery-powered devices, portable electronics, and embedded systems where space and power efficiency are critical. The enable control feature allows for seamless integration into systems with dynamic power management requirements. The comprehensive protection features ensure robustness in harsh operating conditions, making it suitable for industrial and automotive applications. Additionally, its low quiescent current and high PSRR make it an excellent choice for applications sensitive to noise and power consumption, such as communication modules and precision sensors.

Conclusion of TPS79433DCQRG4

The TPS79433DCQRG4 from Texas Instruments stands out as a reliable and efficient linear regulator, offering a combination of low dropout voltage, fixed output voltage, and comprehensive protection features. Its compact SOT223-6 package and surface mount compatibility make it easy to integrate into modern electronic designs. The device’s low quiescent current and high PSRR ensure minimal power loss and noise, making it ideal for a wide range of applications from portable devices to industrial systems. For engineers and designers seeking a high-performance, low-power linear regulator, the TPS79433DCQRG4 is a compelling choice that meets stringent industry standards and offers significant advantages over similar models.

TPS79433DCQRG4 Documents

Download datasheets and manufacturer documentation for TPS79433DCQRG4

Datasheets :

TPS79425DGNTG4