MIC4684YM

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MIC4684YM

+Nomenclature

IC REG BUCK ADJ 2A 8SOIC

  • FabricantTechnologie de micropuce

  • Pièce fabricant #MIC4684YM

  • Fiche technique MIC4684YM DataSheet

  • En stock9071

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Spécifications

Attribut Valeur
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

Présentation

Description

The MIC4684YM is a high-efficiency, low-noise voltage regulator designed for use in battery-powered devices and other applications requiring a stable voltage output. It features a low dropout voltage, allowing it to maintain regulation even when the input voltage is close to the output voltage. The MIC4684YM typically provides an output voltage of 3.3V or 5V and can handle output currents up to 500 mA, making it suitable for a variety of electronic devices and systems.
Key features include thermal shutdown, overcurrent protection, and a wide input voltage range, which enhances its reliability and performance. The device is housed in a compact surface-mount package, making it easy to integrate into space-constrained designs. With its combination of efficiency and low noise, the MIC4684YM is ideal for applications such as portable electronics, consumer gadgets, and telecommunications equipment, where power efficiency and stable performance are critical.

Equivalent

Equivalent products to the MIC4684YM chip include the LM317, LT1086, and LM1084 voltage regulators. These alternatives offer similar adjustable output voltage capabilities and performance characteristics for low-dropout applications. Always verify specifications to ensure compatibility with your specific circuit needs.

Features

The MIC4684YM is a high-efficiency, integrated step-down (buck) DC-DC converter designed for various applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 30V, accommodating different power sources.
2. Adjustable Output Voltage: Output voltage can be adjusted from 1.25V to 15V, offering flexibility for various applications.
3. High Efficiency: Typically achieves efficiencies up to 95%, minimizing heat generation and extending battery life.
4. Current Limit Protection: Integrated current limit and thermal shutdown features ensure device protection under fault conditions.
5. Compact Package: Available in a surface-mount package (SOIC-8), making it suitable for space-constrained designs.
6. External Frequency Setting: Allows users to set the switching frequency, providing design flexibility.
7. Low Quiescent Current: Enhances efficiency during low load conditions, beneficial for battery-powered devices.
Overall, the MIC4684YM is ideal for applications requiring reliable, adjustable power management in a compact form factor.

Pinout

The MIC4684YM is a voltage regulator with a pin count of 8. Its primary functions include providing a regulated output voltage from a higher input voltage, making it suitable for various applications, including power management in portable devices.
The pinout is as follows:
1. VOUT: Regulated output voltage.
2. GND: Ground.
3. VIN: Input voltage.
4. EN: Enable pin to turn the regulator on or off.
5. FB: Feedback pin for voltage regulation.
6. COMP: Compensation pin for stability.
7. NC: No Connect (not internally connected).
8. SW: Switch node for the internal power switch.
The MIC4684YM operates efficiently, lowers power consumption, and supports adjustable output voltages depending on external resistor configurations. It’s commonly used in battery-powered systems and other electronics requiring stable voltage regulation.

Manufacturer

The MIC4684YM is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that specializes in developing microcontrollers, analog semiconductors, and memory products. Founded in 1989, Microchip serves a broad range of industries, including automotive, industrial, consumer, and communications, providing solutions for embedded control applications. The company is known for its commitment to quality, reliability, and innovation, and it offers a diverse portfolio of products, including integrated circuits, development tools, and design resources to support engineers and developers in creating advanced electronic systems.

Application

The MIC4684YM is a high-efficiency, step-down (buck) voltage regulator used primarily in portable devices and battery-powered applications. It is suitable for powering microcontrollers, sensors, RF transmitters, and other low-voltage digital and analog circuits. Common application areas include smartphones, tablets, wearable electronics, automotive systems, and industrial automation. Its features, such as low quiescent current and high switching frequency, make it ideal for energy-sensitive applications, enhancing battery life and performance in compact designs.

Package

The MIC4684YM is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package) format.

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