仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100, OPTIREG™ |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 2 |
| Voltage-Input(Max) | 42V |
| Voltage-Output(Min/Fixed) | 3.3V, 5V |
| VoltageDropout(Max) | -, 0.7V @ 330mA |
| Current-Output | 350mA, 430mA |
| Current-Quiescent(Iq) | 150 µA |
| Current-Supply(Max) | 13 mA |
| PSRR | 60dB (20Hz ~ 20kHz), 60dB (20Hz ~ 20kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Over Voltage, Reverse Polarity, Short Circuit |
| OperatingTemperature | -40°C ~ 170°C |
| MountingType | Surface Mount |
| Package/Case | TO-252-5, DPak (4 Leads + Tab), TO-252AD |
概要
Description
The TLE4476D is a dual voltage regulator designed for automotive and industrial applications. It is manufactured by Infineon Technologies and provides two regulated output voltages, typically used to power microcontrollers and other electronic components in systems that require high reliability and stability.
Key features of the TLE4476D include:
1. Dual Output: It delivers two independent output voltages, typically 5V and 3.3V, suitable for various electronic loads.
2. High Accuracy: Offers precise voltage regulation, essential for sensitive components.
3. Current Capability: Provides sufficient current output for moderate power applications.
4. Protection Features: Includes overcurrent protection, overtemperature shutdown, and short-circuit protection to enhance system safety and reliability.
5. Low Dropout Voltage: Ensures efficient operation even with low input-output voltage differentials, which is vital for battery-operated devices.
6. Low Quiescent Current: Minimizes power consumption, making it suitable for energy-efficient designs.
The TLE4476D is typically housed in a compact package, making it suitable for space-constrained applications. Its robustness and comprehensive protection features make it an ideal choice for demanding automotive and industrial environments.
Key features of the TLE4476D include:
1. Dual Output: It delivers two independent output voltages, typically 5V and 3.3V, suitable for various electronic loads.
2. High Accuracy: Offers precise voltage regulation, essential for sensitive components.
3. Current Capability: Provides sufficient current output for moderate power applications.
4. Protection Features: Includes overcurrent protection, overtemperature shutdown, and short-circuit protection to enhance system safety and reliability.
5. Low Dropout Voltage: Ensures efficient operation even with low input-output voltage differentials, which is vital for battery-operated devices.
6. Low Quiescent Current: Minimizes power consumption, making it suitable for energy-efficient designs.
The TLE4476D is typically housed in a compact package, making it suitable for space-constrained applications. Its robustness and comprehensive protection features make it an ideal choice for demanding automotive and industrial environments.
Equivalent
The TLE4476D is a dual voltage regulator IC primarily used in automotive applications. Equivalent products may include:
1. Texas Instruments: LP2953 or LP2954 series
2. ON Semiconductor: NCP780 and NCP1117 series
3. STMicroelectronics: L78 series
4. ROHM: BAxxCC0 series
While these are similar in function, it's crucial to compare specific parameters like voltage output, current rating, and package type for compatibility with your application. Always consult datasheets for precise matching.
1. Texas Instruments: LP2953 or LP2954 series
2. ON Semiconductor: NCP780 and NCP1117 series
3. STMicroelectronics: L78 series
4. ROHM: BAxxCC0 series
While these are similar in function, it's crucial to compare specific parameters like voltage output, current rating, and package type for compatibility with your application. Always consult datasheets for precise matching.
Features
The TLE4476D is a dual voltage regulator designed for automotive applications. It provides two output voltages, typically 5V and 3.3V, suitable for microcontrollers and other digital electronics. Key features include:
1. Dual Output: Offers two regulated output voltages for different circuit requirements.
2. High Precision: Both outputs have high accuracy and low dropout voltage.
3. Protection: Includes overtemperature shutdown, and overcurrent protection, enhancing reliability.
4. Low Quiescent Current: Optimized for low power consumption, suitable for battery-powered applications.
5. Wide Input Voltage Range: Accepts a broad range of input voltages, accommodating various automotive battery conditions.
6. Reset and Watchdog Functions: Ensures the controlled microprocessor operates within defined parameters and resets in case of malfunction.
7. Stability: Utilizes an external capacitor for increased stability across different load conditions.
8. Temperature Range: Operates effectively across automotive temperature ranges, ensuring performance in harsh environments.
These features make the TLE4476D ideal for providing stable power supply solutions in automotive and other demanding applications.
1. Dual Output: Offers two regulated output voltages for different circuit requirements.
2. High Precision: Both outputs have high accuracy and low dropout voltage.
3. Protection: Includes overtemperature shutdown, and overcurrent protection, enhancing reliability.
4. Low Quiescent Current: Optimized for low power consumption, suitable for battery-powered applications.
5. Wide Input Voltage Range: Accepts a broad range of input voltages, accommodating various automotive battery conditions.
6. Reset and Watchdog Functions: Ensures the controlled microprocessor operates within defined parameters and resets in case of malfunction.
7. Stability: Utilizes an external capacitor for increased stability across different load conditions.
8. Temperature Range: Operates effectively across automotive temperature ranges, ensuring performance in harsh environments.
These features make the TLE4476D ideal for providing stable power supply solutions in automotive and other demanding applications.
Pinout
The TLE4476D is a low-dropout (LDO) voltage regulator, typically used in automotive applications. It is designed to provide a stable output voltage and supply power to microcontrollers and peripheral devices within electronic control units.
The TLE4476D comes in a package with 14 pins. Here is a brief overview of its main functions:
1. Input (Vin): Connected to the battery or an input voltage source.
2. Output (VQ1, VQ2): Provides regulated output voltages. Typically, VQ1 is a 5V output, and VQ2 is an adjustable or fixed output, depending on the variant.
3. Ground (GND): Common reference for the input and output voltages.
4. Enable/Shutdown (EN): Controls the on/off state of the voltage regulator.
5. Reset (RO): Provides a reset signal when the output voltage drops below a specified threshold.
6. Sense/Adjust (ADJ): Used to set or adjust the output voltage for some versions.
7. Error/Warning (WARN): Indicates fault conditions or abnormal operations.
The TLE4476D's robust design includes features like overcurrent protection, thermal shutdown, and overvoltage protection, ensuring reliable operation in demanding environments.
The TLE4476D comes in a package with 14 pins. Here is a brief overview of its main functions:
1. Input (Vin): Connected to the battery or an input voltage source.
2. Output (VQ1, VQ2): Provides regulated output voltages. Typically, VQ1 is a 5V output, and VQ2 is an adjustable or fixed output, depending on the variant.
3. Ground (GND): Common reference for the input and output voltages.
4. Enable/Shutdown (EN): Controls the on/off state of the voltage regulator.
5. Reset (RO): Provides a reset signal when the output voltage drops below a specified threshold.
6. Sense/Adjust (ADJ): Used to set or adjust the output voltage for some versions.
7. Error/Warning (WARN): Indicates fault conditions or abnormal operations.
The TLE4476D's robust design includes features like overcurrent protection, thermal shutdown, and overvoltage protection, ensuring reliable operation in demanding environments.
Manufacturer
The TLE4476D is manufactured by Infineon Technologies AG. Infineon is a German semiconductor manufacturer that specializes in various types of electronic components and systems. The company develops, produces, and sells a wide range of products, including microcontrollers, power semiconductors, sensors, and security ICs. Infineon's products are used in applications across automotive, industrial, consumer electronics, and communication systems sectors.
Infineon is known for its focus on innovation and sustainability, aiming to provide energy-efficient solutions and technologies that drive digital transformation across industries. It is one of the leading semiconductor companies globally, with a significant presence in the automotive sector, providing components for systems like powertrain, safety, and driver assistance. The company also emphasizes security solutions, offering products that ensure data protection and privacy in digital transactions and communications.
Infineon is known for its focus on innovation and sustainability, aiming to provide energy-efficient solutions and technologies that drive digital transformation across industries. It is one of the leading semiconductor companies globally, with a significant presence in the automotive sector, providing components for systems like powertrain, safety, and driver assistance. The company also emphasizes security solutions, offering products that ensure data protection and privacy in digital transactions and communications.
Application
The TLE4476D is a dual voltage regulator commonly used in automotive and industrial applications. Its primary application areas include powering microcontrollers and sensors in automotive electronic control units (ECUs), delivering stable power to infotainment systems, and supporting safety systems such as airbags and anti-lock braking systems (ABS). It also finds use in industrial automation, where precise voltage regulation is crucial for reliable operation of control systems and communication modules. Its robustness against voltage fluctuations and temperature variations makes it suitable for environments requiring high reliability and efficiency.
Package
The TLE4476D is typically available in a DSO-20 package (Dual Small Outline package with 20 leads). This package type is commonly used for integrated circuits and offers a compact design suitable for surface mounting on printed circuit boards.
