Texas Instruments

TPS79518DCQ  

Linear & Switching Voltage Regulators

TPS79518DCQ Description

The TPS79518DCQ is a high-performance linear voltage regulator from Texas Instruments, designed to deliver a fixed output voltage of 1.8V with a maximum output current of 500mA. This regulator is housed in a compact SOT223-6 package, making it ideal for surface mount applications. It features a maximum input voltage of 5.5V, ensuring compatibility with a wide range of power sources. The TPS79518DCQ is equipped with advanced protection features, including over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO), which enhance its reliability and robustness in various operating conditions. With a quiescent current of only 385 µA and a power supply rejection ratio (PSRR) ranging from 59dB to 39dB across frequencies from 100Hz to 100kHz, this regulator offers superior performance and efficiency. The TPS79518DCQ is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. It is available in a tube package and is classified under HTSUS code 8542.39.0001.

TPS79518DCQ Features

• Fixed Output Voltage: Provides a stable 1.8V output, ideal for applications requiring precise voltage regulation.
• High Output Current: Capable of delivering up to 500mA, making it suitable for powering various electronic components and systems.
• Wide Input Voltage Range: Accepts input voltages up to 5.5V, ensuring compatibility with diverse power sources.
• Low Quiescent Current: Consumes only 385 µA in quiescent state, optimizing power efficiency in low-power applications.
• High PSRR: Offers a power supply rejection ratio of 59dB to 39dB across a frequency range of 100Hz to 100kHz, minimizing noise and ripple in the output voltage.
• Protection Features: Includes over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO) protections, enhancing reliability and safety.
• Enable Control: Features an enable control input, allowing users to turn the regulator on or off as needed.
• Compliance and Sustainability: REACH unaffected and RoHS3 compliant, ensuring adherence to environmental regulations.
• Compact Packaging: Housed in a surface mount SOT223-6 package, suitable for space-constrained designs.

TPS79518DCQ Applications

The TPS79518DCQ is well-suited for a variety of applications where precise voltage regulation and high reliability are critical. Its fixed 1.8V output and 500mA current capability make it ideal for powering microcontrollers, FPGAs, and other digital circuits. The regulator's low quiescent current and high PSRR ensure minimal power loss and noise, making it suitable for battery-powered devices and sensitive analog circuits. The compact SOT223-6 package and surface mount design allow for easy integration into PCBs, making it a preferred choice for consumer electronics, industrial controls, and automotive electronics. The advanced protection features provide robustness against common power supply issues, ensuring long-term reliability in harsh operating environments.

Conclusion of TPS79518DCQ

The TPS79518DCQ from Texas Instruments is a versatile and high-performance linear voltage regulator that offers a unique combination of precise voltage regulation, high output current, and advanced protection features. Its low quiescent current and high PSRR make it an excellent choice for applications requiring high efficiency and low noise. The compact SOT223-6 package and surface mount design ensure ease of integration into various electronic systems. With its compliance to environmental regulations and robust protection features, the TPS79518DCQ stands out as a reliable and efficient solution for powering a wide range of electronic devices and circuits.

TPS79518DCQ Documents

Download datasheets and manufacturer documentation for TPS79518DCQ

PCN Assembly/Origin :

Assembly/Test Site Add 18/Nov/2011      

Datasheets :

TPS795xx      

PCN Obsolescence/ EOL :

LDO Dev EOL 31/May/2023      

HTML Datasheet :

TPS795xx      

PCN Design/Specification :

Die Attach Update RevB1 18/Apr/2017       Die Attach Rev B 1/Mar/2017