L5972D

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L5972D

+BOM

IC REG BUCK ADJ 2A 8SOIC

  • メーカーRFE/フューゼテック

  • メーカー品番 #L5972D

  • 在庫状況8964

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
PartStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.4V
Voltage-Input(Max) 36V
Voltage-Output(Min/Fixed) 1.235V
Voltage-Output(Max) 35V
Current-Output 2A
Frequency-Switching 250kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber L5972

概要

Description

L5972D is a high-voltage, step-down (buck) switching regulator designed for efficient power management in various applications. It can provide a regulated output voltage while accepting a wide input voltage range, making it suitable for battery-powered devices and other applications requiring robust power supply solutions. The device features integrated protection mechanisms, including overcurrent and thermal shutdown, enhancing reliability.
With a high efficiency rating, often exceeding 90%, the L5972D minimizes heat generation and prolongs battery life in portable devices. It supports adjustable output voltage configurations, allowing designers to tailor the regulator to specific circuit requirements. Additionally, the L5972D can operate at high frequencies, enabling the use of smaller inductors and capacitors, which helps reduce the overall footprint of the design.
Overall, the L5972D is ideal for applications in telecommunications, automotive, industrial, and consumer electronics sectors, where efficient and reliable power conversion is crucial.

Equivalent

The L5972D is a step-down voltage regulator. Equivalent products include the LM2596, LM2576, and LT1083, which also provide adjustable output voltages and similar current ratings. Other alternatives might include the MIC2940, LM2675, and the TPS5430. Always check the specific voltage, current ratings, and pin configurations to ensure compatibility.

Features

The L5972D is a versatile step-down (buck) DC-DC converter designed for efficient power management. Key features include:
1. Input Voltage Range: Operates from 8V to 40V, allowing for a wide range of input sources.
2. Output Voltage: Adjustable output voltage, typically set between 1.5V to 37V.
3. Output Current: Capable of delivering up to 2A of output current.
4. Efficiency: High efficiency, often exceeding 90%, which minimizes heat generation.
5. Built-in Protection: Features include current limiting, thermal shutdown, and overvoltage protection to ensure safe operation.
6. Switching Frequency: Operates at a fixed frequency, typically around 100 kHz, ensuring stable performance.
7. Package Types: Available in various packages, facilitating easy integration into different designs.
These features make the L5972D suitable for various applications, including industrial, automotive, and consumer electronics, where reliable and efficient power conversion is required.

Pinout

The L5972D is a step-down (buck) voltage regulator with a pin count of 16. It is designed for applications requiring a stable output voltage from a higher input voltage.
Pin Functions:
1. VIN: Input voltage.
2. GND: Ground.
3. SW: Switch output.
4. VOUT: Output voltage.
5. COMP: Compensation network.
6. FB: Feedback voltage sense.
7. SENSE: Current sense input.
8. CSN: Current sense negative.
9. CSP: Current sense positive.
10. SLIM: Slim mode control.
11. SS: Soft-start control.
12. CSM: Current sharing mode.
13. TRG: Trigger input for fault detection.
14. FREQ: Frequency selection.
15. EN: Enable input.
16. NC: No connect.
This device provides features like overcurrent protection, thermal shutdown, and adjustable output voltage, making it suitable for various electronic applications.

Manufacturer

The L5972D is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in the design, development, manufacturing, and marketing of a wide range of semiconductor products, including analog, digital, and mixed-signal integrated circuits (ICs). The company serves various industries, including automotive, industrial, consumer electronics, and telecommunications. STMicroelectronics is known for its commitment to innovation and sustainability, providing solutions that enhance efficiency and performance across numerous applications.

Application

The L5972D is a versatile voltage regulator primarily used in power supply applications. Key application areas include:
1. Industrial Equipment: Providing stable voltage for control circuits and sensors.
2. Automotive Systems: Supplying power to electronic control units and infotainment systems.
3. Communication Devices: Ensuring reliable voltage for RF and communication modules.
4. Consumer Electronics: Used in power supplies for devices like TVs and audio equipment.
5. Embedded Systems: Serving as a power source in microcontroller and FPGA applications.
Its ability to handle high input voltage and provide adjustable output makes it suitable for various electronic applications.

Package

The L5972D is available in a 5-lead TO-220 package type. This package is designed for efficient heat dissipation and is suitable for power applications.