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TLE4251D
+StücklisteTLE4251 - LINEAR VOLTAGE REGULAT
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HerstellerInfineon-Technologien
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Herstellerteil #TLE4251D
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Datenblatt TLE4251D DataSheet
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Paket TO-252-5
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Auf Lager3381
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Bulk |
| Series | Automotive, AEC-Q100 |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | Tracking |
| Voltage-Output(Max) | 40V |
| VoltageDropout(Max) | 0.52V @ 300mA |
| Current-Output | 400mA |
| Current-Quiescent(Iq) | 300 µA |
| Current-Supply(Max) | 20 mA |
| PSRR | 60dB (100Hz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-252-5, DPak (4 Leads + Tab), TO-252AD |
Übersicht
Description
The TLE4251D is a high-precision low-dropout (LDO) voltage regulator primarily used in automotive and industrial applications. Manufactured by Infineon Technologies, it is designed to provide a stable output voltage with high accuracy and low noise, even under varying load conditions. The device can deliver up to 450 mA of output current and operates with an input voltage range from 4.4V to 45V, making it suitable for a wide range of applications.
Key features of the TLE4251D include low dropout voltage, high power supply rejection ratio (PSRR), and overtemperature protection, which ensures reliability and safety in harsh environments. It also includes an enable pin for easy control and a watchdog function to monitor microcontroller operation. The TLE4251D comes in a PG-TO252-5 package, which is compact and facilitates efficient thermal management.
Overall, the TLE4251D is valued for its robust performance, precision, and ability to support complex electronic systems in demanding automotive and industrial settings.
Key features of the TLE4251D include low dropout voltage, high power supply rejection ratio (PSRR), and overtemperature protection, which ensures reliability and safety in harsh environments. It also includes an enable pin for easy control and a watchdog function to monitor microcontroller operation. The TLE4251D comes in a PG-TO252-5 package, which is compact and facilitates efficient thermal management.
Overall, the TLE4251D is valued for its robust performance, precision, and ability to support complex electronic systems in demanding automotive and industrial settings.
Equivalent
The TLE4251D is a linear voltage regulator. Equivalent products may include:
1. LM317 by Texas Instruments
2. LT1086 by Analog Devices
3. L78xx series by STMicroelectronics
4. MIC29152 by Microchip Technology
These alternatives offer similar functionality, but exact compatibility in terms of pin configuration and performance specifications should be verified based on your application requirements.
1. LM317 by Texas Instruments
2. LT1086 by Analog Devices
3. L78xx series by STMicroelectronics
4. MIC29152 by Microchip Technology
These alternatives offer similar functionality, but exact compatibility in terms of pin configuration and performance specifications should be verified based on your application requirements.
Features
The TLE4251D is a high precision low dropout voltage regulator designed for automotive applications. Key features include:
1. Output Voltage: It provides a fixed output voltage of 5V with high accuracy.
2. Input Voltage Range: It supports a wide input voltage range, typically from 4.5V to 45V, making it suitable for various automotive power systems.
3. Low Dropout Voltage: The regulator has a low dropout voltage, ensuring efficient operation even when input voltages are just above the required output voltage.
4. High Stability: It offers excellent line and load regulation, ensuring stable performance under varying conditions.
5. Protection Features: The TLE4251D includes several protective features like over-temperature protection, output current limitation, and reverse polarity protection to enhance reliability and safety.
6. Quiescent Current: It has a low quiescent current, which is essential for energy-efficient designs, especially in automotive battery-powered systems.
7. Package Options: Available in standard DPAK packages, facilitating easy integration into existing designs.
These features make the TLE4251D a reliable choice for regulating voltage in automotive electronic systems.
1. Output Voltage: It provides a fixed output voltage of 5V with high accuracy.
2. Input Voltage Range: It supports a wide input voltage range, typically from 4.5V to 45V, making it suitable for various automotive power systems.
3. Low Dropout Voltage: The regulator has a low dropout voltage, ensuring efficient operation even when input voltages are just above the required output voltage.
4. High Stability: It offers excellent line and load regulation, ensuring stable performance under varying conditions.
5. Protection Features: The TLE4251D includes several protective features like over-temperature protection, output current limitation, and reverse polarity protection to enhance reliability and safety.
6. Quiescent Current: It has a low quiescent current, which is essential for energy-efficient designs, especially in automotive battery-powered systems.
7. Package Options: Available in standard DPAK packages, facilitating easy integration into existing designs.
These features make the TLE4251D a reliable choice for regulating voltage in automotive electronic systems.
Pinout
The TLE4251D is a linear voltage regulator manufactured by Infineon Technologies. It features an 8-pin Small Outline Package (DSO-8). This device is commonly used in automotive applications due to its robust performance and reliability.
The primary function of the TLE4251D is to provide a stable, regulated output voltage. It is designed to supply microcontrollers and other components requiring a constant voltage, typically 5V, from a higher input voltage source such as a car battery. The TLE4251D includes several protection features such as over-temperature shutdown, output current limitation, and reverse polarity protection, making it suitable for demanding environments.
Each pin has a specific function:
1. Pin 1 (IN): Input voltage.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (Q): Regulated output voltage.
4. Pin 4 (EN): Enable input.
5. Pin 5 (D): Delay for reset time.
6. Pin 6 (RO): Reset output.
7. Pin 7 (SO): Sense output.
8. Pin 8 (SI): Sense input.
These pins support the regulator’s main purpose of delivering a reliable power supply while offering diagnostic and control capabilities.
The primary function of the TLE4251D is to provide a stable, regulated output voltage. It is designed to supply microcontrollers and other components requiring a constant voltage, typically 5V, from a higher input voltage source such as a car battery. The TLE4251D includes several protection features such as over-temperature shutdown, output current limitation, and reverse polarity protection, making it suitable for demanding environments.
Each pin has a specific function:
1. Pin 1 (IN): Input voltage.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (Q): Regulated output voltage.
4. Pin 4 (EN): Enable input.
5. Pin 5 (D): Delay for reset time.
6. Pin 6 (RO): Reset output.
7. Pin 7 (SO): Sense output.
8. Pin 8 (SI): Sense input.
These pins support the regulator’s main purpose of delivering a reliable power supply while offering diagnostic and control capabilities.
Manufacturer
The TLE4251D is manufactured by Infineon Technologies AG. Infineon is a German semiconductor manufacturer known for its production of a wide range of semiconductor solutions, including microcontrollers, sensors, and power electronics. The company serves various industries such as automotive, industrial, consumer electronics, and security solutions. Infineon is recognized for its focus on providing innovative and efficient semiconductor technologies that meet modern electronic requirements.
Application
The TLE4251D is a low-dropout voltage regulator commonly used in automotive applications. Its primary application areas include power management in electronic control units (ECUs), microcontrollers, and sensors within vehicles. It is designed to provide a stable output voltage under varying input conditions, making it suitable for use in systems that require robust voltage regulation. The TLE4251D is also utilized in infotainment systems, instrument clusters, and various safety systems, such as airbag controllers and anti-lock braking systems (ABS). Its capability to withstand harsh automotive environments and its protection features, like overcurrent and overtemperature protection, make it ideal for automotive electronics.
Package
The TLE4251D is typically available in a TO-252 package, also known as a DPAK. This package type is commonly used for surface-mounted components and offers good thermal performance, making it suitable for automotive and industrial applications.
