Infineon TLE6368-G2: A Comprehensive Overview of the 5-V Low-Drop Voltage Regulator

The Infineon TLE6368-G2 is a monolithic integrated low-drop voltage regulator designed to deliver a precise 5-V output from a higher input voltage. As a critical component in automotive and industrial electronics, it provides a stable and clean voltage supply to microcontrollers, sensors, and other sensitive circuitry, even under the challenging conditions typical of these applications.

Engineered for robustness, the TLE6368-G2 features a very low dropout voltage, ensuring efficient operation even when the input voltage dips close to the output level. This characteristic is vital in automotive environments, where cold-crank conditions can cause significant battery voltage sag. The device can handle a wide input voltage range from approximately 3.5 V up to 42 V, offering exceptional flexibility and protection against load dump transients.

A key strength of this regulator is its very low current consumption in standby mode, making it an excellent choice for applications requiring always-on functionality without draining the battery. Furthermore, it incorporates a comprehensive suite of built-in protection features, including overtemperature shutdown, short-circuit protection, and reverse polarity protection. These safeguards enhance system reliability and longevity by preventing damage under fault conditions.

The TLE6368-G2 also boasts excellent electromagnetic compatibility (EMC) performance, a non-negotiable requirement in the crowded electromagnetic environments of modern vehicles. Its low electromagnetic emission minimizes interference with nearby radio receivers and other sensitive devices.

Available in a PG-TO263-5-31 (DPAK) package, the regulator offers good thermal performance, allowing it to dissipate heat effectively. This package choice is well-suited for the high-reliability demands of the automotive industry, as defined by the AEC-Q100 qualification.

ICGOODFIND Summary: The Infineon TLE6368-G2 stands out as a highly robust and efficient 5-V low-drop regulator. Its combination of a wide input voltage range, comprehensive protection mechanisms, low quiescent current, and automotive-grade qualification makes it an ideal power management solution for demanding automotive and industrial systems where reliability is paramount.

Keywords: Low-Dropout Regulator, Automotive Grade, Wide Input Voltage, Protection Features, Low Quiescent Current