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TLE7272D

TLE7272D Description

The TLE7272D from Infineon Technologies is a linear voltage regulator designed to deliver a fixed output voltage of 5V with a maximum output current of 300mA. This regulator is engineered to operate efficiently within a broad input voltage range, up to a maximum of 42V. The TLE7272D is housed in a TO252-5 package, making it suitable for surface mount applications. Despite its small form factor, it offers robust performance, with a maximum supply current of only 40 µA and a quiescent current of 30 µA, ensuring minimal power consumption even under no-load conditions. The regulator is designed to maintain stability with a low dropout voltage of 0.5V at 200mA, which is advantageous for applications where input voltage levels may vary. Additionally, the TLE7272D features a high power supply rejection ratio (PSRR) of 60dB at 100Hz, which helps in minimizing noise and ripple in the output voltage. The device includes essential protection features such as over-current, over-temperature, and short-circuit protection, ensuring reliable operation and safeguarding against potential faults.

TLE7272D Features

• Fixed Output Voltage: Provides a stable 5V output, ideal for applications requiring a consistent power supply.
• High Input Voltage Range: Capable of handling input voltages up to 42V, offering flexibility in various power supply scenarios.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 200mA, the TLE7272D ensures efficient operation even with lower input voltages.
• Low Quiescent Current: A quiescent current of 30 µA minimizes power consumption, making it suitable for low-power applications.
• High PSRR: A power supply rejection ratio of 60dB at 100Hz ensures minimal noise and ripple in the output voltage.
• Protection Features: Over-current, over-temperature, and short-circuit protections enhance reliability and protect the device from damage.
• Control Features: Inhibit and reset functions provide additional control options for system integration.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures the device is suitable for a wide range of environmental conditions.
• Packaging: Available in a Tape & Reel (TR) package, facilitating easy handling and integration into automated assembly processes.

TLE7272D Applications

The TLE7272D is well-suited for a variety of applications where a stable and efficient power supply is crucial. Its low dropout voltage and high PSRR make it ideal for automotive electronics, where it can maintain stable operation even with fluctuating battery voltages. The regulator's low quiescent current and high input voltage range also make it suitable for industrial control systems, where power efficiency and reliability are paramount. Additionally, the TLE7272D can be used in consumer electronics, such as portable devices, where its small form factor and low power consumption are advantageous. The inclusion of inhibit and reset functions allows for easy integration into complex systems, making it a versatile choice for designers looking to optimize their power supply solutions.

Conclusion of TLE7272D

The TLE7272D from Infineon Technologies stands out as a reliable and efficient linear voltage regulator, offering a fixed 5V output with a maximum current of 300mA. Its low dropout voltage, high PSRR, and comprehensive protection features make it a robust choice for a wide range of applications, from automotive to industrial and consumer electronics. Despite being marked as obsolete, the TLE7272D remains a valuable component for engineers seeking a stable and efficient power supply solution. Its low quiescent current and high input voltage range ensure minimal power consumption and maximum flexibility, making it an ideal choice for applications requiring a reliable and efficient power supply.