The TPS79633DCQR from Texas Instruments is a highly reliable, low-dropout (LDO) linear voltage regulator that offers the benefits of high power supply rejection ratio (PSRR), low noise, and fast start-up times. Designed to meet the stringent requirements of sensitive RF and analog circuitry, the TPS79633DCQR delivers a fixed output voltage of 3.3V, which is ideal for a wide range of applications, including portable and battery-powered devices.

Key Features

• Stable Output: The device provides a stable 3.3V output with an impressive accuracy of ±1% over the full range of load, line, and temperature variations.
• High PSRR: With a high PSRR of 70dB at 1kHz, this voltage regulator significantly reduces the supply noise, which is critical for RF and precision analog applications.
• Low Dropout: The low dropout voltage allows for efficient operation even when the input voltage is close to the output voltage, maximizing battery life.
• Low Noise: The TPS79633DCQR offers an ultra-low noise output, which makes it suitable for noise-sensitive circuits such as VCOs, RF amplifiers, and ADCs.
• Fast Transient Response: It is capable of providing fast transient response, ensuring stable voltage levels during sudden changes in load.
• Thermal Shutdown and Overcurrent Protection: Built-in thermal shutdown and overcurrent protection features safeguard the device and the application from damage due to overheating or excessive load conditions.

Applications

The TPS79633DCQR is versatile and can be used in a variety of applications, including:

• Portable and Battery-Powered Equipment
• Wireless LAN and Communication Devices
• RF and Analog Circuits
• Medical Equipment
• Audio and Video Equipment

Package and Quality

The TPS79633DCQR comes in a compact SOT-223 package, which is suitable for space-constrained applications. It is RoHS compliant and adheres to Texas Instruments' commitment to quality and reliability.

With its combination of features, the TPS79633DCQR is an excellent choice for designers looking for a high-performance voltage regulator that can maintain precision voltage levels in sensitive applications.