Texas Instruments

TPS79930DDCTG4

TPS79930DDCTG4 Description

The TPS79930DDCTG4 is a high-performance linear regulator from Texas Instruments, designed to deliver a fixed output voltage of 3V with a maximum output current of 200mA. This device is optimized for low dropout voltage, ensuring efficient operation even at low input-to-output voltage differentials. The regulator is housed in a compact SOT23-5 package, making it suitable for space-constrained applications. With a maximum input voltage of 6.5V and a dropout voltage of only 0.18V at 200mA, the TPS79930DDCTG4 offers superior performance in terms of power efficiency and thermal management.

TPS79930DDCTG4 Features

• Fixed Output Voltage: The TPS79930DDCTG4 provides a stable 3V output, ideal for applications requiring a precise and consistent power supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.18V at 200mA, this regulator ensures high efficiency, especially in battery-powered devices where the input voltage may drop close to the output voltage.
• Low Quiescent Current: The device features a low quiescent current of 60 µA, which is crucial for minimizing power consumption in low-power and battery-operated systems.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 70dB at 100Hz and 38dB at 100kHz, effectively filtering out noise from the input supply and providing a clean output voltage.
• Protection Features: The TPS79930DDCTG4 includes comprehensive protection mechanisms such as over-current protection, over-temperature protection, reverse polarity protection, and under-voltage lockout (UVLO), ensuring robust and reliable operation.
• Enable Control: The regulator features an enable pin, allowing for dynamic control of the output voltage, which can be useful in power sequencing and power management applications.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, making it suitable for environmentally conscious designs. It is available in a surface-mount package (Tape & Reel), facilitating automated assembly processes.

TPS79930DDCTG4 Applications

The TPS79930DDCTG4 is well-suited for a variety of applications where a reliable and efficient power supply is required. Its low dropout voltage and high PSRR make it ideal for battery-powered devices, such as portable electronics, where maintaining a stable output voltage is critical. The compact SOT23-5 package allows for integration into space-limited designs, such as wearable devices, IoT sensors, and medical equipment. The enable control feature makes it suitable for applications requiring power sequencing, such as microcontroller-based systems and embedded devices. Additionally, its robust protection features ensure reliable operation in harsh environments, making it a reliable choice for industrial and automotive applications.

Conclusion of TPS79930DDCTG4

The TPS79930DDCTG4 from Texas Instruments stands out as a versatile and efficient linear regulator, offering a combination of low dropout voltage, high PSRR, and comprehensive protection features. Its compact SOT23-5 package and low quiescent current make it an excellent choice for space-constrained and low-power applications. The enable control and robust protection mechanisms further enhance its suitability for a wide range of applications, from portable electronics to industrial systems. With its compliance to environmental standards and surface-mount packaging, the TPS79930DDCTG4 is a reliable and future-proof solution for power management needs.