LT1372CS8

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LT1372CS8

+BOM

Switching Voltage Regulators 500kHz and 1MHz High Efficiency 1.5A Switching Regulators

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  • 제조업체 부품 #LT1372CS8

  • 데이터시트 LT1372CS8 DataSheet

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365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

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개요

Description

The LT1372CS8 is a high-efficiency, step-up DC/DC converter designed by Linear Technology (now part of Analog Devices). It operates with a wide input voltage range and is capable of boosting voltages to higher levels, making it suitable for applications requiring increased voltage output from a lower voltage source. The device is typically housed in an 8-pin SOIC package, offering ease of integration into compact designs.
Key features of the LT1372CS8 include its ability to deliver up to 1.5A of output current and efficiencies of up to 90%, depending on the specific circuit configuration and load conditions. It also features a switching frequency of around 500kHz, allowing for smaller external components and a more compact design. Additionally, the LT1372CS8 includes built-in features like current limiting, thermal shutdown, and soft-start to enhance reliability and performance.
This converter is commonly used in battery-powered devices, portable electronics, and other applications where efficient power conversion is critical. Its robust design makes it a popular choice for designers looking for reliable and efficient power solutions.

Equivalent

The LT1372CS8 is a step-up switching regulator. Equivalent products from other manufacturers might include the LM2577 by Texas Instruments, MC34063A by ON Semiconductor, and MIC38HC44 by Microchip Technology. When selecting an equivalent, ensure the specifications like input voltage, output voltage, current rating, and package type match your requirements. Always refer to the datasheet for detailed comparison.

Features

The LT1372CS8 is a step-up switching regulator from Linear Technology (now part of Analog Devices). Key features include:
1. High Efficiency: Designed for efficiency, it can achieve up to 90% efficiency in step-up configurations.
2. Wide Input Voltage Range: Supports an input voltage range from 2.5V to 20V, making it versatile for various applications.
3. Output Voltage: Capable of providing a wide range of output voltages, adjustable via external resistors.
4. Switching Frequency: Operates at a constant 500kHz, allowing for smaller external components and compact design.
5. High Output Current: Can deliver output currents up to 5A, depending on the input voltage and configuration.
6. Low Quiescent Current: Features low quiescent current in standby mode, making it suitable for battery-powered applications.
7. Thermal Shutdown: Includes thermal protection to prevent damage from overheating.
8. Compact Package: Available in an 8-lead SOIC package, facilitating ease of integration into small designs.
These features make the LT1372CS8 suitable for applications requiring efficient, compact, and flexible power conversion.

Pinout

The LT1372CS8 is a step-down switching regulator manufactured by Linear Technology (now part of Analog Devices). It is typically housed in an 8-pin SOIC package. Here's a concise overview of its pin functions:
1. Pin 1 (SW): The switch pin where the inductor is connected.
2. Pin 2 (GND): Ground pin for the device.
3. Pin 3 (FB): Feedback pin used to set the output voltage with an external resistor divider.
4. Pin 4 (SHDN): Shutdown pin. Pulling this pin low disables the regulator and reduces the input supply current.
5. Pin 5 (VIN): Input voltage supply pin for the device.
6. Pin 6 (SENSE): Used for current limiting; it connects to the current sense resistor.
7. Pin 7 (VC): The compensation pin used for frequency compensation which stabilizes the voltage loop.
8. Pin 8 (N/C): Not connected internally; often used for board routing convenience.
These pins collectively allow the LT1372CS8 to efficiently convert a higher input voltage to a lower output voltage with high efficiency and minimal external components.

Manufacturer

The LT1372CS8 is manufactured by Linear Technology Corporation. Linear Technology is a company that specializes in the design, manufacture, and marketing of a broad line of high-performance analog integrated circuits. These circuits cater to a wide range of applications, including power management, data conversion, signal conditioning, RF and interface circuits, and more. Linear Technology is known for its focus on high-quality and reliable components, serving industries such as telecommunications, networking, industrial instrumentation, automotive, computer, medical, and military and aerospace systems. In 2017, Linear Technology was acquired by Analog Devices, Inc., a company that continues to produce and support Linear Technology's product lines. Analog Devices is a major player in the semiconductor industry, providing solutions that bridge the physical and digital worlds, with a strong emphasis on analog, mixed-signal, and digital signal processing technologies.

Application

The LT1372CS8 is a versatile step-up (boost) switching regulator suitable for various applications. It is commonly used in battery-powered devices to increase battery voltage to a higher level necessary for operation. The LT1372CS8 can also be found in applications requiring efficient power conversion, such as portable electronics, communication devices, and automotive systems. Its high efficiency and compact size make it ideal for use in power management circuits, LCD bias supplies, and point-of-load applications in embedded systems. Additionally, the regulator can be used for generating auxiliary voltages in industrial and consumer electronics.

Package

The LT1372CS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package, commonly designated as SO-8. This package type is compact and surface-mountable, suitable for applications requiring efficient use of PCB space.

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