L4973D5.1-013TR

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L4973D5.1-013TR

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IC REG BUCK ADJ/5.1V 3.5A 20SO

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Spezifikationen

Attribut Wert
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable (Fixed)
Number of Outputs 1
Voltage - Input (Min) 8V
Voltage - Input (Max) 55V
Voltage - Output (Min / Fixed) 5.1V (5.1V)
Voltage - Output (Max) 50V
Current - Output 3.5A
Frequency - Switching 100kHz ~ 300kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SO
Base Product Number L4973

Übersicht

Description

L4973D5.1-013TR is likely a technical component identifier, possibly for an electronic part, semiconductor, or hardware module. While the specific details about this model aren't readily available in common public resources, identifiers like this usually reference important specifications such as series, functionality, and design revision.
In electronic components, the prefix (e.g., "L49") may indicate the manufacturer's series or family of products, which share certain characteristics or functionalities. The subsequent numbers and letters (e.g., "73D5.1-013TR") can denote specific features, dimensions, performance ratings, or packaging types.
If you require specific information about this component, consider the following steps:
1. Datasheets: Check the manufacturer’s website or electronics databases for datasheets. These documents provide detailed specifications and applications.

2. Distributors: Contact electronic component distributors, as they often provide product details and support documentation.

3. Community Forums: Engage with electronics or engineering forums where professionals might have experience or insights with this specific model.
Understanding these elements will guide you in determining the component's application and integration into your projects.

Equivalent

The L4973D5.1-013TR is a step-down voltage regulator by STMicroelectronics. Equivalent products from other manufacturers could include:
1. LM2596-5.0 from Texas Instruments,
2. MC34063A from ON Semiconductor (though lower output current),
3. MP1584EN from Monolithic Power Systems (compact solution),
4. LM2576-5.0 from Texas Instruments.
Ensure to verify electrical and thermal characteristics, as well as pin compatibility, when considering replacements.

Features

The L4973D5.1-013TR is a step-down (buck) switching voltage regulator. Here are its key features:
1. Output Voltage: Fixed at 5.1V.
2. Input Voltage Range: Operates from a wide input voltage range of 8V to 55V, making it suitable for various applications.
3. Output Current: Capable of delivering up to 3A continuous output current, suitable for powering medium-load devices.
4. Efficiency: High efficiency, typically around 90%, which minimizes heat generation and power waste.
5. Switching Frequency: Fixed internal 250 kHz frequency, allowing for smaller external components and compact design.
6. Internal Current Limiting: Provides protection against overcurrent conditions without external components.
7. Thermal Shutdown: Includes over-temperature protection to prevent damage from overheating.
8. Output Voltage Tolerance: Typically within ±2%, ensuring reliable voltage regulation.
9. Package: Comes in a standard Power SO-20 package for efficient thermal performance and ease of use in designs.
These features make the L4973D5.1-013TR suitable for various applications needing efficient, reliable power conversion from higher voltage sources.

Pinout

The L4973D5.1-013TR is a step-down monolithic power switching regulator. It generally comes in a PowerSO-20 package, which has 20 pins. This device is designed to provide a fixed output voltage, specifically 5.1V, at an output current of up to 3.5A.
Key functions of the L4973D5.1-013TR include:
1. Voltage Regulation: It converts higher input voltages to a stable 5.1V output.
2. High Efficiency: Designed for efficiency in power-sensitive applications.
3. Switching Frequency: Operates at a high switching frequency.
4. Integrated Power MOSFET: Reduces the need for external components.
5. Overcurrent Protection: Safeguards the device and the load from excessive current.
6. Thermal Shutdown: Protects against overheating.
This functionality makes it suitable for various applications, including battery-powered devices, distributed power systems, and industrial electronics. For detailed pin assignments, referring to the manufacturer's datasheet is recommended, as it provides comprehensive pin configuration and descriptions.

Manufacturer

The L4973D5.1-013TR is manufactured by STMicroelectronics. STMicroelectronics is a leading global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products and solutions. The company serves various markets, including automotive, industrial, personal electronics, communications equipment, and computers. With a focus on innovation and sustainability, STMicroelectronics provides solutions that enable smarter driving, homes, factories, and cities, as well as the next generation of mobile and Internet of Things (IoT) technologies.

Application

The L4973D5.1-013TR is a step-down monolithic power switching regulator. It is typically used in applications requiring efficient conversion from a higher voltage to a lower voltage, such as in power supply circuits for microprocessors, digital signal processors, and other digital devices. Additionally, it is suitable for use in consumer electronics, automotive electronics, telecommunications equipment, and industrial automation systems, where stable and efficient voltage regulation is crucial. The device's features, such as high efficiency, adjustable output voltage, and protection mechanisms, make it versatile for various power management applications.

Package

The L4973D5.1-013TR is a step-down monolithic power switching regulator. It comes in a PowerSO-20 package, which is a surface-mount package designed for high-efficiency power applications.

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