MIC4684YM-TR

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MIC4684YM-TR

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IC REG BUCK ADJ 2A 8SOIC

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規格

屬性 價值
Series SuperSwitcher™
PartStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4V
Voltage-Input(Max) 30V
Voltage-Output(Min/Fixed) 1.235V
Voltage-Output(Max) 28.2V
Current-Output 2A
Frequency-Switching 200kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber MIC4684

概述

Description

The MIC4684YM-TR is a high-performance step-down (buck) voltage regulator designed by Micrel, now part of Microchip Technology. It efficiently converts a higher voltage input to a lower voltage output, making it suitable for powering various electronic devices and systems. With a maximum output current of 1A, it operates across a wide input voltage range, typically from 4.5V to 30V, and can deliver a regulated output voltage that can be easily adjusted using external resistors.
Key features include high efficiency (up to 95%), low output ripple, built-in thermal shutdown, and overcurrent protection, which enhance reliability and performance. The device is available in a compact surface-mount package (8-pin SOIC), making it ideal for space-constrained applications. Its simple design and ease of use make it a popular choice for power management in consumer electronics, industrial equipment, and battery-operated devices. Overall, the MIC4684YM-TR is a robust solution for designers seeking efficient and reliable voltage regulation.

Equivalent

The MIC4684YM-TR is a step-down (buck) voltage regulator. Equivalent products include the LM2596, LM2675, and TPS54331. Other alternatives are the LM3671 and LTC3639, depending on specific requirements like output voltage, current, and package type. Always check the datasheets for compatibility in terms of input/output voltage range, current rating, and other specifications before selecting a replacement.

Features

The MIC4684YM-TR is a high-efficiency step-down (buck) voltage regulator designed for various applications. Key features include:
1. Input Voltage Range: 4.5 V to 20 V, making it suitable for a wide range of power sources.
2. Output Current: Capable of delivering up to 1 A of output current.
3. Adjustable Output Voltage: Output voltage can be adjusted from 1.25 V to 12 V.
4. High Efficiency: Efficiency rates of up to 95%, minimizing heat generation.
5. Built-in Soft-Start: Reduces inrush current during startup.
6. Low Quiescent Current: Ideal for battery-powered applications, enhancing battery life.
7. Thermal Protection: Integrated thermal shutdown feature for added reliability.
8. Compact Package: Available in a 10-pin MSOP package for space-constrained designs.
These features make the MIC4684YM-TR suitable for use in portable devices, consumer electronics, and industrial applications.

Pinout

The MIC4684YM-TR is an integrated circuit with a pin count of 8. It functions as a high-efficiency, step-down (buck) voltage regulator. This device is designed to provide a regulated output voltage from a higher input voltage, making it suitable for various applications such as powering microcontrollers and other low-voltage devices.
The key pins are as follows:
1. Vin - Input voltage
2. GND - Ground
3. SW - Switch node for connecting to the inductor
4. Vout - Output voltage
5. FB - Feedback pin to control the output voltage
6. COMP - Compensation pin for stability
7. EN - Enable pin to turn the regulator on or off
8. SS - Soft-start pin to control the start-up time
This IC is noted for its ability to provide high efficiency and low quiescent current, making it suitable for battery-powered applications.

Manufacturer

The manufacturer of the MIC4684YM-TR is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip is known for its high-performance products tailored for a wide range of applications, including automotive, industrial, consumer, and communications.
Microchip specializes in integrated circuits (ICs) and design tools, supporting both large-scale and small-scale electronic projects. The MIC4684 is a low-dropout (LDO) voltage regulator, showcasing Microchip's expertise in power management solutions. The company serves a diverse customer base and has a strong emphasis on innovation, reliability, and customer support, making it a key player in the semiconductor industry.
Overall, Microchip Technology Inc. is notable for its expansive product portfolio and contributions to embedded control and power management systems.

Application

The MIC4684YM-TR is a high-efficiency step-down switching regulator primarily used in applications requiring regulated output voltage from a higher input voltage. Common application areas include:
1. Consumer Electronics: Power supplies for devices like smartphones, tablets, and laptops.
2. Industrial Equipment: Voltage regulation in automation systems and control circuits.
3. Telecommunications: Power management in networking devices and communication equipment.
4. Automotive: Power supply for infotainment systems and sensors.
5. Battery-Powered Devices: Efficient power conversion to extend battery life.
Its compact size and high efficiency make it suitable for space-constrained designs.

Package

The MIC4684YM-TR is packaged in a 24-lead TSSOP (Thin Shrink Small Outline Package).

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