LM5085MYX

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LM5085MYX

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Bảo hành 365 ngày

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Thông số kỹ thuật

Brand Texas Instruments
Product Type Switching Controllers
Subcategory PMIC - Power Management ICs
Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C
Type Buck Controller
Output Voltage 1.25 V to 75 V
Output Current 1.75 A
Number of Outputs 1 Output
Package / Case MSOP

Tổng quan

Description

The LM5085MYX is a high-performance, synchronous step-down (buck) voltage regulator designed for applications requiring efficient power management. Operating with a wide input voltage range, it can typically handle inputs from 4.5V to 60V, making it suitable for automotive, industrial, and telecom applications.
This device integrates a high-side and low-side MOSFET, providing enhanced efficiency, especially under light loads. It features adjustable output voltage, allowing users to set the desired level between 0.8V and the input voltage. The LM5085MYX also includes various protections, such as overcurrent, overtemperature, and undervoltage lockout, ensuring reliable operation.
With a switching frequency of up to 1MHz, it supports smaller external components, contributing to a compact design. The device is available in a thermally enhanced package, which aids in heat dissipation. Overall, the LM5085MYX is ideal for applications demanding high efficiency and reliability in power regulation.

Features

The LM5085MYX is a high-performance, synchronous step-down (buck) DC-DC converter designed for power management applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 60V, making it suitable for a wide range of power sources.
2. Output Voltage: Adjustable output voltage from 0.8V to 15V, allowing flexibility for various applications.
3. High Efficiency: Offers up to 95% efficiency, reducing thermal output and improving overall system performance.
4. Current Limit: Integrated current limit for protection against overcurrent scenarios.
5. Switching Frequency: Adjustable switching frequency up to 1MHz, enabling optimization for size and efficiency.
6. Thermal Protection: Includes thermal shutdown features to safeguard against overheating.
7. Power Good Indicator: Provides a power good signal for system monitoring.
Overall, the LM5085MYX is ideal for industrial, automotive, and telecom applications requiring efficient voltage regulation with robust performance.

Package

The LM5085MYX is available in a surface-mount package type known as the VSSOP-8 (Very Thin Shrink Small Outline Package). This package features eight pins and is designed for compact applications, providing efficient thermal performance and space-saving benefits.

Pinout

The LM5085MYX is a high voltage synchronous step-down switching regulator. It features a 28-pin HTSSOP package. The main functions of the LM5085 include:
1. High Voltage Input: It can operate from an input voltage range of 4.5V to 60V.
2. Output Voltage Regulation: It provides an adjustable output voltage down to 0.8V.
3. Synchronous Operation: The device includes synchronous rectification for improved efficiency.
4. Current Mode Control: This feature enables fast transient response and easy loop compensation.
5. Built-in Protection: It includes overcurrent protection, thermal shutdown, and under-voltage lockout.
6. Power Good Function: The device offers a power good output for system monitoring.
This combination of features makes the LM5085 suitable for various applications, including industrial and automotive power supply systems.

Manufacturer

The LM5085MYX is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of electronic components, including analog and digital semiconductors, embedded processors, and various integrated circuits. The company is well-known for its innovation in the fields of analog and mixed-signal technologies, serving various industries such as automotive, industrial, communications, and consumer electronics. With a strong emphasis on research and development, TI aims to provide solutions that enhance the efficiency and performance of electronic devices.

Application

The LM5085MYX is a high-voltage, step-down (buck) regulator designed for industrial applications. Its key application areas include power supplies for telecom equipment, automotive systems, industrial automation, and LED drivers. It is suitable for environments requiring high efficiency, reliable operation, and the ability to handle high input voltages, making it ideal for battery-powered devices, control systems, and various electronic circuits demanding stable output voltage.

Equivalent

The LM5085MYX chip, a voltage regulator from Texas Instruments, has several equivalent products, including the LM3085, LM2596, TPS54331, and LTC3780. These alternatives may offer similar functionality in terms of input voltage range, output current, and efficiency. However, it's important to verify specifications and suitability based on the specific application requirements before substituting.

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