L4978D013TR

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L4978D013TR

IC REG BUCK ADJUSTABLE 2A 16SO

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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 8V
Voltage-Input(Max) 55V
Voltage-Output(Min/Fixed) 3.3V
Voltage-Output(Max) 50V
Current-Output 2A
Frequency-Switching 100kHz ~ 300kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 16-SOIC (0.295, 7.50mm Width)

Übersicht

Description

The L4978D013TR is a high-efficiency switching voltage regulator integrated circuit (IC) designed and manufactured by STMicroelectronics. It is part of the L4978 family, which is known for its robust performance in power management applications. This IC is typically used in a step-down (buck) converter configuration, making it suitable for applications requiring the conversion of a higher input voltage to a stable, lower output voltage.
Key features of the L4978D013TR include a wide input voltage range, high switching frequency, and the ability to deliver a substantial output current. It is designed for efficiency, minimizing power loss and heat generation, which is crucial for maintaining performance in compact and thermally constrained environments. The IC also includes various protection features, such as current limiting, thermal shutdown, and overvoltage protection, ensuring reliability and safety in operation.
This IC is commonly utilized in consumer electronics, automotive systems, telecommunications, and industrial equipment where efficient power conversion and regulation are required. Its compact package and integrated features make it a versatile choice for engineers designing power supply circuits.

Features

The L4978D013TR is a monolithic power switching regulator from STMicroelectronics. Key features include:
1. Output Current and Voltage: It provides an output current of up to 2A with an adjustable output voltage, typically ranging from 5.1V to 40V.
2. Efficiency and Configuration: The efficiency is enhanced by its switch-mode operation. It is capable of step-down (buck) configurations.
3. Switching Frequency: Operates at a fixed switching frequency of 100 kHz.
4. Protection Features: Includes built-in protection mechanisms such as thermal shutdown, current limiting, and overvoltage protection to ensure reliable operation under various conditions.
5. Package: Comes in a compact SO-20 package, making it suitable for space-constrained applications.
6. Input Voltage Range: Supports a wide input voltage range from 8V to 55V, making it versatile for different power supply conditions.
7. Additional Features: Includes a voltage feedforward control for improved line regulation and soft-start capability to reduce inrush current during start-up.
These features make the L4978D013TR ideal for applications requiring efficient power conversion with robust protection and flexibility.

Package

The L4978D013TR is a step-down DC-DC converter IC from STMicroelectronics. It comes in a SO-20 package, which is a 20-lead Small Outline package, typically used for surface-mount applications.

Pinout

The L4978D013TR is a monolithic power switching regulator with a fixed output voltage. It is packaged in a 16-pin SOIC (Small Outline Integrated Circuit). The device is primarily used for step-down (buck) voltage regulation applications.
Key functions and features include:
1. Pin Count: 16 pins.
2. Input Voltage: 8V to 55V.
3. Output Voltage: Adjustable, with an internal reference of 5.1V.
4. Output Current: Up to 2A.
5. Switching Frequency: 200 kHz.
6. Efficiency: High efficiency, typically around 90%.
7. Protection: Features include current limiting, thermal shutdown, and output overvoltage protection.

The L4978D013TR is used in various applications where efficient voltage step-down is required, such as in power management for embedded systems, telecommunications, and automotive electronics.

Manufacturer

The L4978D013TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of products, including integrated circuits and discrete devices. They serve various industries such as automotive, industrial, personal electronics, and communications equipment, providing solutions in power management, sensors, microcontrollers, and more.

Application

The L4978D013TR is a step-down monolithic power switching regulator. Its application areas include powering microprocessors, microcontrollers, and digital signal processors (DSPs) in consumer electronics, telecommunications equipment, and industrial automation systems. It is also used in automotive electronics for efficient voltage regulation and power management. Additionally, the L4978D013TR can be found in distributed power systems and battery-powered devices where stable and efficient voltage conversion is crucial.

Equivalent

The L4978D013TR is a step-down switching voltage regulator. Equivalent products include:
1. LM2596 by Texas Instruments
2. LM2678 by Texas Instruments
3. MC34063 by ON Semiconductor
4. MP1584 by Monolithic Power Systems
5. LT1376 by Analog Devices
These alternatives offer similar functionalities but may vary in specific features such as input voltage range, output current, or efficiency. Always compare datasheets to ensure compatibility with your requirements.

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