The TLE8366EV50 is a monolithic integrated low-dropout voltage regulator designed for automotive applications, manufactured by Infineon Technologies. It provides a stable 5V output voltage and incorporates various protection features, making it suitable for supplying power to microcontrollers, sensors, and other electronic components in automotive systems.

Applications

• Automotive electronic control units (ECUs)
• Automotive sensor power supplies
• Engine management systems
• Body control modules
• Dashboard electronics

Features

• 5V fixed output voltage
• Low dropout voltage (typically 400mV at 400mA)
• Wide input voltage range (up to 40V)
• Overvoltage protection
• Reverse polarity protection
• Short-circuit protection
• Overtemperature protection
• Reset function with adjustable delay time
• Enable function
• Small package (PG-DSO-8)

Benefits

• Stable 5V output voltage: Provides a reliable power supply for sensitive electronic components.
• Low dropout voltage: Allows operation with low input voltages, extending battery life.
• Comprehensive protection features: Protects the regulator and connected circuits from damage.
• Reset function: Ensures proper microcontroller startup after a power interruption.
• Enable function: Allows for convenient power control.
• Small package: Saves board space.
• Automotive qualified: Suitable for harsh automotive environments.

Additional Details

The TLE8366EV50 incorporates a low-dropout (LDO) regulator, which allows it to maintain a stable output voltage even when the input voltage is close to the output voltage. The wide input voltage range allows the regulator to operate from a variety of automotive power sources. The overvoltage protection circuit protects the regulator from damage caused by voltage spikes. The reverse polarity protection circuit protects the regulator from damage if the input voltage is connected in reverse. The short-circuit protection circuit limits the output current in the event of a short circuit, preventing damage to the regulator and connected circuits. The overtemperature protection circuit shuts down the regulator if the junction temperature exceeds a safe level. The reset function provides a reset signal to the microcontroller after a power interruption, ensuring proper startup. The enable function allows the regulator to be turned on and off remotely. The TLE8366EV50 is available in a small PG-DSO-8 package for surface mount assembly. Refer to the datasheet for detailed specifications, application notes, and safety certifications.