The TPS79901QDRVRQ1 is a high-performance, 200-mA low-dropout linear regulator (LDO) from Texas Instruments, designed to meet the rigorous standards of automotive and industrial applications. This device offers a significant advantage in terms of power efficiency and reliability, making it suitable for a wide range of electronic systems.

Key Features

• Stable with Ceramic Capacitors: The TPS79901QDRVRQ1 is optimized to work with low-cost, space-saving ceramic capacitors, reducing the overall footprint and cost of the power supply design.
• Low Dropout Voltage: With a dropout voltage of typically 40 mV at a 200-mA load, this LDO ensures efficient operation even when the supply voltage is close to the output voltage, making it ideal for battery-powered applications.
• High PSRR: The device features a high power supply rejection ratio (PSRR) of 65 dB at 1 kHz, which helps to maintain a stable output voltage despite variations in the input voltage, beneficial for sensitive analog circuits.
• Low Quiescent Current: It boasts a low quiescent current of typically 40 µA in active mode and 1 µA in shutdown mode, contributing to energy savings and prolonged battery life.
• Thermal Shutdown and Overcurrent Protection: Built-in thermal shutdown and overcurrent protection features safeguard the device and the system from damage due to excessive heat and load conditions.
• Adjustable Output Voltage: The output voltage is adjustable from 1.2 V to 6.5 V with external resistors, providing design flexibility to cater to various application needs.
• Automotive-Qualified: As a Q1 device, it meets the stringent quality and reliability standards required for automotive applications, ensuring performance under extreme conditions.

Applications

The TPS79901QDRVRQ1 is versatile and can be used in a variety of applications, including:

• Automotive infotainment and telematics
• Power supplies for sensors and microcontrollers
• Portable and battery-powered equipment
• Analog and digital loads requiring precise voltage regulation

With its compact SON-6 package, the TPS79901QDRVRQ1 is an excellent choice for space-constrained applications that require a high-quality power supply solution. Texas Instruments' commitment to innovation and quality makes this LDO a reliable and efficient component for your power management needs.