TLE4291E

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LDO Voltage Regulators OPTIREG LINEAR

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Especificações

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StandardPackQty 2500
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Description

The TLE4291E is a fixed output low-dropout (LDO) voltage regulator, commonly used in automotive and industrial applications. Manufactured by Infineon Technologies, this device is designed to provide a stable and precise voltage output even with varying input voltages and load conditions. It supports an output voltage of 5V and can deliver up to 450 mA of current.
Key features include a wide input voltage range, low dropout voltage, and low quiescent current, making it suitable for battery-operated systems. It also incorporates various protection mechanisms such as over-temperature shutdown and short-circuit protection, enhancing its reliability in harsh environments. The TLE4291E's robust design is complemented by its ability to maintain output voltage accuracy and stability under different operating conditions.
This LDO is housed in a small PG-SOT223-4 package, which facilitates space-saving designs on printed circuit boards (PCBs). Its automotive-grade qualification (AEC-Q100) ensures that it meets stringent quality and performance standards necessary for automotive applications. Overall, the TLE4291E is ideal for applications that demand efficiency, reliability, and precision.

Equivalent

The TLE4291E is a linear voltage regulator commonly used in automotive applications. Equivalent products might include the LM2940, LM7805, and NCP1117, which are also linear voltage regulators with similar functionalities. It's important to verify the specifications such as output voltage, current, and package type to ensure compatibility with your specific application. Always consult datasheets and manufacturer guidelines when selecting a replacement.

Features

The TLE4291E is a voltage regulator with the following key features:
1. Output Voltage: It provides a fixed output voltage, typically 5V, suitable for various applications in automotive and industrial environments.
2. Maximum Output Current: The regulator can deliver up to 450 mA of output current, making it versatile for powering microcontrollers and other peripheral devices.
3. Low Dropout Voltage: With a typical dropout voltage of 200 mV at 100 mA load current, it ensures efficient regulation even with low input-output voltage differentials.
4. Wide Input Voltage Range: It supports an input voltage range from 4.4V to 45V, accommodating fluctuations in supply voltage.
5. Low Quiescent Current: It features a low quiescent current, which is crucial for battery-powered applications to extend battery life.
6. Protection Features: The TLE4291E includes built-in protection such as overtemperature shutdown, short-circuit protection, and overcurrent protection, enhancing reliability and durability.
7. Thermal Shutdown: It automatically turns off in case of overheating to prevent damage.
8. Package Options: Available in various package types like TO-252, enhancing design flexibility.
These features make the TLE4291E an efficient and reliable choice for voltage regulation in demanding applications.

Pinout

The TLE4291E is a low-dropout voltage regulator with a fixed output voltage, commonly used in automotive applications. It typically comes in a TO-252-5 package, which has 5 pins. Here's a brief overview of its pin functions:
1. Pin 1 (I): Input - This is where the unregulated voltage is supplied to the regulator.
2. Pin 2 (GND): Ground - This pin is connected to the system ground.
3. Pin 3 (RADJ): Reset Adjust - It allows adjusting the reset threshold voltage.
4. Pin 4 (Q): Output - This provides the regulated output voltage.
5. Pin 5 (RO): Reset Output - This pin gives a signal to indicate if the output voltage is below a certain threshold, which can be used for system reset purposes.
The TLE4291E is designed for high precision and stability, making it ideal for automotive environments where voltage regulation is critical for reliable electronic control units (ECUs).

Manufacturer

The TLE4291E is manufactured by Infineon Technologies. Infineon is a German semiconductor company that specializes in designing, developing, and manufacturing a wide range of semiconductor solutions for various industries. These industries include automotive, industrial, consumer electronics, communication, and security applications. Infineon is known for its expertise in power semiconductors, microcontrollers, sensors, and security solutions.

Application

The TLE4291E is a low-dropout voltage regulator commonly used in automotive applications. Its key areas of application include providing a stable power supply for microcontrollers, sensors, and communication modules within vehicles. This regulator is well-suited for automotive environments because of its robustness against voltage fluctuations and ability to maintain output stability under varying conditions. Additionally, its low power consumption and high precision make it ideal for use in battery-operated systems, infotainment systems, and electronic control units (ECUs). Its features ensure reliable performance in environments requiring stringent voltage regulation and thermal management.

Package

The TLE4291E is a voltage regulator integrated circuit from Infineon Technologies. It typically comes in a PG-TO252-5 package, which is a DPAK (TO-252) style with 5 pins. This surface-mount package is designed for efficient thermal performance and compact design, making it suitable for automotive and industrial applications.

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