LT8614IUDC

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LT8614IUDC

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Switching Voltage Regulators LT8614 - 42V, 4A Synchronous Step-Down Silent Switcher with 2.5++A Quiescent Current

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仕様

属性

概要

Description

The LT8614IUDC is a high-efficiency, monolithic step-down switching regulator from Analog Devices, designed to provide compact and efficient power management solutions. It is part of the Silent Switcher® family, which minimizes electromagnetic interference (EMI) and ensures stable operation. This device can deliver up to 4A of continuous output current with input voltage ranging from 3V to 42V, making it suitable for automotive, industrial, and general-purpose applications.
Key features include a fast transient response, low quiescent current, and a wide safety margin for input voltage spikes. The LT8614IUDC operates with a switching frequency of up to 2.2MHz, allowing the use of small external components and offering a compact solution footprint. Its synchronous rectification provides high efficiency at high loads, while its Burst Mode® operation ensures efficiency at light loads.
The device also includes features like internal compensation, a precise enable pin threshold, and a power good flag. These features combine to offer reliability and ease of use in demanding environments.

Equivalent

The LT8614IUDC is a high-efficiency, 4A synchronous step-down regulator. Equivalent products from other manufacturers include the TPS54360 from Texas Instruments, the MP2459 from Monolithic Power Systems, and the MIC28512 from Microchip Technology. Each of these chips offers similar functionalities, such as high efficiency, wide input voltage range, and synchronous operation, making them suitable alternatives depending on specific design requirements. Always verify compatibility with your application specifications when choosing an equivalent.

Features

The LT8614IUDC is a monolithic step-down switching regulator from Analog Devices, designed for high efficiency and performance in power management applications. Key features include:
1. Input Voltage Range: It operates over a wide input voltage range, typically from 3.4V to 42V, making it suitable for various applications.
2. Output Current: The device can deliver up to 4A of continuous output current, providing ample power for many applications.
3. Efficiency: It is designed for high efficiency, often exceeding 95%, which helps reduce heat generation and improve energy conservation.
4. Switching Frequency: The regulator features a programmable switching frequency range from 200kHz to 2.2MHz, offering flexibility in design and noise management.
5. Low Quiescent Current: With a low quiescent current, it is ideal for battery-powered applications, enhancing battery life.
6. Compact Package: It is available in a compact 12-lead 3mm × 4mm DFN package, saving board space.
7. Protection Features: The LT8614IUDC includes a range of protection features such as short-circuit protection, thermal shutdown, and undervoltage lockout, enhancing reliability and safety.

Pinout

The LT8614IUDC is a 42V, 4A synchronous step-down regulator designed by Analog Devices (formerly Linear Technology). It comes in the 18-pin 3mm × 4mm DFN (Dual Flat No-leads) package. The device is known for its high efficiency and compact design, suitable for applications requiring a compact size and low power consumption.
The key functions and features of the LT8614 include:
1. Wide Input Voltage Range: Operates from 3.4V to 42V, making it versatile for various power supply inputs.
2. High Efficiency: Up to 96% efficiency, reducing power loss and heat generation.
3. Fast Transient Response: Ensures stability and performance under dynamic load conditions.
4. Low Quiescent Current: Typically 2.5µA, suitable for battery-powered applications.
5. Adjustable Switching Frequency: Allows optimization between efficiency and external component size.
6. Synchronizable to External Clock: Provides flexibility in multi-phase systems.
7. Built-in Protection Features: Includes over-temperature and over-current protection.
The LT8614IUDC is commonly used in automotive, industrial, and consumer electronics applications where high efficiency and compact size are critical.

Manufacturer

The LT8614IUDC is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs and manufactures a broad range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company serves various industries, including automotive, communications, consumer electronics, healthcare, and industrial applications. Analog Devices is known for providing high-performance solutions that address complex engineering challenges, making it a key player in the semiconductor industry.

Application

The LT8614IUDC is a high-efficiency monolithic step-down switching regulator. Its application areas include:
1. Automotive Systems: It is suitable for automotive power supplies due to its wide input voltage range and high efficiency.
2. Industrial Power Systems: Used in industrial applications for stable power conversion.
3. Telecommunications: Powers various communication equipment.
4. Consumer Electronics: Ideal for consumer gadgets requiring efficient power management.
5. Networking Equipment: Supports routers, switches, and other networking devices.
6. Medical Devices: Provides reliable power in portable and sensitive medical equipment.
These applications benefit from the device's compact size, low quiescent current, and fast transient response.

Package

The LT8614IUDC is a high-efficiency, high-speed synchronous monolithic step-down switching regulator from Analog Devices. It is packaged in a 3mm x 4mm DFN (Dual Flat No-Lead) package, which is designed for compact, efficient thermal performance and ease of assembly in surface-mount applications.