LT1076CQ

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LT1076CQ

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Switching Voltage Regulators LT1076 - Step-Down Switching Regulator

  • ПроизводительАналоговые устройства

  • Мфр. Часть #LT1076CQ

  • Лист данных LT1076CQ DataSheet

  • В наличии24162

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Description

The LT1076CQ is a monolithic power switching regulator designed by Linear Technology (now part of Analog Devices). It is used for efficient DC-DC conversion, particularly in applications requiring a step-down (buck) voltage regulator. The LT1076CQ operates at a fixed switching frequency and is capable of delivering up to 2A of output current with high efficiency, making it suitable for various power management tasks.
Key features of the LT1076CQ include a wide input voltage range, typically from around 7V to 60V, and an adjustable output voltage, usually set via external resistors. It also incorporates features such as overcurrent protection, thermal shutdown, and soft-start capabilities to enhance reliability and performance. The device is offered in a TO-220 package, which aids in heat dissipation.
This regulator is commonly used in industrial, automotive, and consumer electronics where efficient power conversion is crucial. Its high integration level simplifies design and reduces the need for additional components, making it a popular choice for compact power supply solutions.

Equivalent

The LT1076CQ is a step-down (buck) switching regulator. Equivalent products include:
1. LM2676 by Texas Instruments
2. MC34063 by ON Semiconductor
3. LM2576 by Texas Instruments
4. MC33063 by ON Semiconductor
5. L4970 by STMicroelectronics
These devices serve similar functions in DC-DC conversion applications, offering different features and specifications such as output current, voltage ranges, and efficiency levels. Always verify compatibility based on specific requirements.

Features

The LT1076CQ is a monolithic step-down switching voltage regulator known for its efficiency and versatility. Key features include:
1. Wide Input Voltage Range: Operates from 7V to 60V, making it suitable for a variety of applications.

2. Output Voltage: Can be adjusted for output voltages as low as 1.23V, providing flexibility for different needs.
3. Current Output: Capable of delivering up to 2A of output current, supporting moderate power applications.
4. Efficiency: High efficiency, typically around 80-90%, which reduces heat generation and power loss.
5. Switching Frequency: Operates at a fixed frequency of 100 kHz, which helps in minimizing external component size and improving performance.
6. Protection Features: Includes current limiting, thermal shutdown, and overvoltage protection to ensure reliability and safety.
7. Package: Available in a TO-263 package, which is suitable for applications requiring surface mount technology.
These features make the LT1076CQ a robust choice for power management in industrial, automotive, and consumer electronics.

Pinout

The LT1076CQ is a monolithic switching regulator from Linear Technology, designed for efficient voltage conversion with minimal external components. It is often used in power supply applications.
The LT1076CQ comes in a 5-pin TO-220 package. Here is a brief overview of its pin functions:
1. Pin 1 (VIN): Input voltage. This is where the supply voltage is applied.
2. Pin 2 (SW): Switch. This pin connects to the inductor and is used for switching to regulate the output voltage.
3. Pin 3 (GND): Ground. This is the ground reference for the device.
4. Pin 4 (FB): Feedback. This pin is used to set the output voltage by connecting it to a resistor network or a voltage divider.
5. Pin 5 (VC): Compensation. This pin is used for frequency compensation and stability of the feedback loop.
The device is capable of step-down (buck) conversion and is noted for its simplicity and efficiency, making it suitable for a wide range of applications.

Manufacturer

The LT1076CQ is manufactured by Linear Technology Corporation. Linear Technology is a company that specializes in designing, manufacturing, and marketing high-performance analog integrated circuits. Founded in 1981, the company provides products that serve a wide range of applications in sectors such as telecommunications, automotive, industrial, medical, and consumer electronics. Linear Technology is known for its focus on analog components, which include amplifiers, power management circuits, data converters, and interface products.
In 2017, Linear Technology was acquired by Analog Devices, Inc., a prominent player in the semiconductor industry known for producing both analog and digital signal processing products. The acquisition expanded Analog Devices' portfolio and strengthened its position in the analog technology market. As part of Analog Devices, the legacy of Linear Technology's products continues to be supported and integrated into the broader offerings of the parent company.

Application

The LT1076CQ is a versatile step-down switching regulator suited for applications requiring efficient voltage conversion and regulation. It finds use in power supply designs for industrial electronics, telecommunications equipment, and consumer electronics. Its capability to deliver up to 2A output current makes it ideal for microprocessor-based systems and digital circuits. Additionally, it is used in battery-powered devices due to its high efficiency and low dropout voltage. The component is also suitable for applications where minimal heat dissipation is crucial, such as portable electronics and compact devices. Its robust performance in varying operating conditions further extends its application to automotive electronics and instrumentation systems.

Package

The LT1076CQ is a fixed-frequency step-down switching voltage regulator. Its package type is a 5-lead TO-220, which is a through-hole package commonly used for power components.

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