Specifications
| Attribute | Value |
| Package | Bulk |
| ProductStatus | Active |
Overview
Description
The TLE4271-2 is a low-dropout (LDO) voltage regulator designed by Infineon Technologies, primarily used in automotive and industrial applications. It delivers a stable output voltage with high accuracy, making it ideal for sensitive electronic components. With a typical dropout voltage of around 250 mV, it efficiently regulates output even with minimal input-to-output voltage differences.
This regulator can provide an output current of up to 450 mA and is often used for applications requiring a stabilized power supply. It features overtemperature and overcurrent protection mechanisms, enhancing durability and reliability under demanding conditions. The TLE4271-2 is available in a variety of fixed output voltage versions, simplifying its integration into standard circuit designs.
Its robust design complies with automotive standards, ensuring performance across a wide temperature range, which is critical for vehicular electronics. Additionally, it features a low quiescent current, making it suitable for battery-powered applications. Overall, the TLE4271-2 offers a reliable and efficient solution for voltage regulation needs in both automotive and industrial sectors.
This regulator can provide an output current of up to 450 mA and is often used for applications requiring a stabilized power supply. It features overtemperature and overcurrent protection mechanisms, enhancing durability and reliability under demanding conditions. The TLE4271-2 is available in a variety of fixed output voltage versions, simplifying its integration into standard circuit designs.
Its robust design complies with automotive standards, ensuring performance across a wide temperature range, which is critical for vehicular electronics. Additionally, it features a low quiescent current, making it suitable for battery-powered applications. Overall, the TLE4271-2 offers a reliable and efficient solution for voltage regulation needs in both automotive and industrial sectors.
Equivalent
The TLE4271-2 is a linear voltage regulator. Equivalent products include the LM2940, LM7812, UA7812, and L78M12, which are also 12V low-dropout regulators. Depending on specific requirements such as current rating and dropout voltage, devices like the MIC29312 or NCP1117 might also be considered suitable alternatives. Always verify electrical characteristics and pin compatibility when selecting a replacement.
Features
The TLE4271-2 is a low-dropout (LDO) voltage regulator designed for automotive applications. Key features include:
1. Output Voltage: Typically provides a fixed 5V output.
2. Low Dropout Voltage: Ensures efficient operation with a small difference between input and output voltage.
3. High Output Current Capability: Supports output currents up to 450 mA.
4. Overtemperature Protection: Guards against overheating by shutting down the regulator if a critical temperature is reached.
5. Overload Protection: Includes current limitation to protect against excessive load conditions.
6. Reverse Polarity Protection: Protects against voltage reversal at the input terminal.
7. Wide Operating Voltage Range: Capable of operating with input voltages ranging from 5.5V to 42V.
8. Low Quiescent Current: Minimizes current consumption when the load is light or the device is in standby.
9. Integrated Enable Function: Allows the device to be turned on or off via an external signal.
10. Robust Design: Suitable for harsh automotive environments with a high degree of reliability.
These features make the TLE4271-2 ideal for use in automotive power supply systems requiring stable and reliable voltage regulation.
1. Output Voltage: Typically provides a fixed 5V output.
2. Low Dropout Voltage: Ensures efficient operation with a small difference between input and output voltage.
3. High Output Current Capability: Supports output currents up to 450 mA.
4. Overtemperature Protection: Guards against overheating by shutting down the regulator if a critical temperature is reached.
5. Overload Protection: Includes current limitation to protect against excessive load conditions.
6. Reverse Polarity Protection: Protects against voltage reversal at the input terminal.
7. Wide Operating Voltage Range: Capable of operating with input voltages ranging from 5.5V to 42V.
8. Low Quiescent Current: Minimizes current consumption when the load is light or the device is in standby.
9. Integrated Enable Function: Allows the device to be turned on or off via an external signal.
10. Robust Design: Suitable for harsh automotive environments with a high degree of reliability.
These features make the TLE4271-2 ideal for use in automotive power supply systems requiring stable and reliable voltage regulation.
Pinout
The TLE4271-2 is a fixed voltage linear voltage regulator IC, commonly used in automotive and industrial applications. It comes in different package types, which influences the pin count. The most common package for the TLE4271-2 is the TO-263, which has 3 pins.
Pin Functions:
1. Input (Pin 1): This pin is connected to the voltage supply that needs to be regulated down. The maximum input voltage rating is typically up to 45V.
2. Ground (Pin 2): This pin is connected to the ground of the system.
3. Output (Pin 3): This pin provides the regulated voltage output, typically fixed at 5V, and is used to power the load.
The TLE4271-2 is designed to provide a stable and precise voltage output even in the presence of voltage fluctuations and is equipped with features like short-circuit protection and thermal shutdown for reliability. Always refer to the datasheet for the specific package type and detailed information on electrical characteristics and pin configuration.
Pin Functions:
1. Input (Pin 1): This pin is connected to the voltage supply that needs to be regulated down. The maximum input voltage rating is typically up to 45V.
2. Ground (Pin 2): This pin is connected to the ground of the system.
3. Output (Pin 3): This pin provides the regulated voltage output, typically fixed at 5V, and is used to power the load.
The TLE4271-2 is designed to provide a stable and precise voltage output even in the presence of voltage fluctuations and is equipped with features like short-circuit protection and thermal shutdown for reliability. Always refer to the datasheet for the specific package type and detailed information on electrical characteristics and pin configuration.
Manufacturer
The TLE4271-2 is manufactured by Infineon Technologies. Infineon Technologies is a German semiconductor manufacturer that specializes in a wide range of electronic components and systems. The company focuses on semiconductor solutions for automotive, industrial, and consumer electronics, as well as security applications. Infineon is known for its innovation and expertise in power semiconductors, microcontrollers, sensors, and connectivity solutions, making it a key player in advancing technologies such as automotive electrification, energy efficiency, and the Internet of Things (IoT).
Application
The TLE4271-2 is a linear voltage regulator commonly used in automotive applications due to its robustness and reliability. Its key application areas include:
1. Automotive Electronic Control Units (ECUs): Provides stable voltage supply for microcontrollers and sensors.
2. Infotainment Systems: Ensures consistent power delivery to audio, visual, and navigation components.
3. Body Control Modules: Supports door control, interior lighting, and other electronic features.
4. Powertrain Systems: Regulates voltage for engine control units and transmission systems.
5. Safety Systems: Powers airbag and ABS control units to ensure reliability in emergency situations.
Its ability to operate under wide temperature ranges and provide overvoltage protection makes it ideal for automotive environments.
1. Automotive Electronic Control Units (ECUs): Provides stable voltage supply for microcontrollers and sensors.
2. Infotainment Systems: Ensures consistent power delivery to audio, visual, and navigation components.
3. Body Control Modules: Supports door control, interior lighting, and other electronic features.
4. Powertrain Systems: Regulates voltage for engine control units and transmission systems.
5. Safety Systems: Powers airbag and ABS control units to ensure reliability in emergency situations.
Its ability to operate under wide temperature ranges and provide overvoltage protection makes it ideal for automotive environments.
Package
The TLE4271-2 is a voltage regulator typically available in a TO-252 package, which is a surface-mount, DPAK-type package. This package type is designed for efficient heat dissipation and is commonly used in automotive and industrial applications.
