MIC4685WR TR

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MIC4685WR TR

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3A SPAK SUPERSWITCHER BUCK REGUL

  • Nhà sản xuấtCông nghệ Microchip

  • Ông. Phần #MIC4685WR TR

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Description

The MIC4685WR TR is a high-efficiency, step-down (buck) switching regulator designed by Microchip Technology. It is tailored to convert higher input voltages to lower output voltages with high efficiency, making it ideal for power-sensitive applications. The device features a wide input voltage range, typically from 4V to 30V, and can deliver up to 1.3A of output current. The MIC4685WR TR operates at a fixed switching frequency, which helps in minimizing electromagnetic interference (EMI) and simplifies the design of the output filter.
This regulator is equipped with an on/off control for power-saving applications, thermal shutdown, and current limiting to protect against fault conditions. It comes in a thermally-enhanced package, allowing for better heat dissipation and reliable performance in various environmental conditions. The "WR" in its name refers to the specific configuration or packaging, and "TR" indicates it is supplied in tape and reel format for automated assembly. Overall, the MIC4685WR TR is suitable for use in consumer electronics, industrial applications, and any systems requiring efficient voltage regulation.

Equivalent

The MIC4685WR TR is a step-down (buck) regulator. Equivalent products from other manufacturers might include the LM2675 from Texas Instruments, the LT1765 from Analog Devices, and the MAX5035 from Maxim Integrated. When selecting an equivalent, ensure that the input voltage range, output current capacity, switching frequency, and package type match your requirements. Always consult datasheets to verify compatibility with your specific application.

Features

The MIC4685WR TR is a step-down (buck) switching regulator designed to provide high efficiency and compact solutions for power supply applications. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range from 4V to 34V, making it versatile for various power sources.
2. Output Voltage: The device can be configured to deliver an adjustable output voltage, providing flexibility in setting the desired output level.
3. Output Current: It can supply up to 1.3A of output current, suitable for powering moderate loads.
4. High Efficiency: The MIC4685WR TR is optimized for high efficiency, which reduces power loss and heat generation.
5. Fixed Frequency Operation: It operates at a fixed switching frequency, which simplifies external filtering and minimizes electromagnetic interference (EMI).
6. Thermal Protection: Built-in thermal shutdown feature protects the regulator from overheating, enhancing reliability.
7. Current Limiting: The device includes current limiting to prevent damage from overcurrent conditions.
8. Compact Package: It comes in a small package, which is ideal for space-constrained applications.
These features make the MIC4685WR TR well-suited for applications requiring reliable and efficient DC-DC conversion.

Pinout

The MIC4685WR TR is a step-down voltage regulator designed by Microchip Technology. It typically comes in a TO-263 package, which generally has 5 pins. The pin functions for the MIC4685WR TR are as follows:
1. VIN: This is the input voltage pin where the supply voltage is connected.
2. SW: This is the switch output pin. It connects to the external inductor and diode in the output stage of the regulator.
3. GND: This is the ground pin used for reference and is connected to the ground of the system.
4. FB (Feedback): This pin is used to set the output voltage via an external resistor divider network.
5. ENABLE: This pin is used to enable or disable the regulator. Bringing this pin high will enable the device, while pulling it low will disable it.
These pin functions are integral to the operation of the MIC4685WR TR, allowing it to efficiently step down higher input voltages to lower output levels suitable for various applications.

Manufacturer

The MIC4685WR TR is manufactured by Microchip Technology Inc. Microchip Technology is a leading semiconductor company that designs and manufactures microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. The company serves a diverse range of sectors, including automotive, industrial, consumer, aerospace, and communication markets. Known for providing comprehensive solutions, Microchip offers both hardware and software products that integrate seamlessly to support a variety of applications.

Application

The MIC4685WR TR is a high-efficiency buck regulator primarily used in applications requiring step-down voltage conversion. It is suitable for powering microcontrollers, FPGAs, and other digital circuits due to its low noise and high efficiency. Common application areas include telecommunications equipment, industrial automation systems, automotive electronics, and portable devices. Its ability to deliver up to 1.3A output current makes it ideal for small to medium power requirements. Additionally, its wide input voltage range and thermal performance are advantageous in battery-powered devices and other environments with varying power supply conditions.

Package

The MIC4685WR TR is a surface-mount package type, specifically a TO-263-5 package. It is used for housing the MIC4685 series of buck regulators, which are used for voltage regulation in electronic circuits. The "TR" typically indicates tape and reel packaging for automated assembly processes.

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