MIC4680BM

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout Voltage, Adjustable Output Voltage
Package: SOIC-8
Essence: Linear Regulator
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

Input Voltage Range: 2.7V to 16V
Output Voltage Range: 1.25V to 13.5V
Output Current: Up to 500mA
Dropout Voltage: 200mV at 500mA
Quiescent Current: 120µA
Line Regulation: 0.04%/V
Load Regulation: 0.05%/mA
Ripple Rejection: 70dB
Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4680BM is an 8-pin IC with the following pin configuration:

VOUT: Output Voltage
GND: Ground
NC: No Connection
NC: No Connection
ADJ: Adjustable Voltage Input
NC: No Connection
VIN: Input Voltage
NC: No Connection

Functional Features

High efficiency linear voltage regulator
Low dropout voltage for improved performance
Adjustable output voltage for flexibility
Thermal shutdown and current limit protection
Short-circuit protection

Advantages and Disadvantages

Advantages

High efficiency results in less power dissipation
Low dropout voltage allows for use in low input voltage applications
Adjustable output voltage provides versatility
Thermal shutdown and current limit protection enhance reliability
Short-circuit protection prevents damage to the IC

Disadvantages

Limited output current capacity (up to 500mA)
Higher quiescent current compared to some other regulators
Requires external components for stability and filtering

Working Principles

The MIC4680BM is a linear voltage regulator that operates by using a pass transistor to regulate the output voltage. It maintains a constant output voltage by adjusting the resistance between the input and output terminals. The adjustable voltage input pin allows users to set the desired output voltage within the specified range.

Detailed Application Field Plans

The MIC4680BM is suitable for various applications, including:

Battery-powered devices: Provides stable voltage regulation for portable electronics.
Automotive electronics: Ensures reliable power supply for vehicle systems.
Industrial equipment: Supports voltage regulation in control systems and sensors.
Communication devices: Maintains consistent voltage levels for wireless communication modules.
Consumer electronics: Used in audio/video equipment, gaming consoles, etc.

Detailed and Complete Alternative Models

LM317: Adjustable Linear Voltage Regulator with higher output current capacity.
LT1086: Low Dropout Linear Regulator with adjustable output voltage and lower quiescent current.
LM1117: Fixed Output Linear Regulator with low dropout voltage and various fixed voltage options.

These alternative models offer similar functionality to the MIC4680BM but may have different specifications and package options.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MIC4680BM v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MIC4680BM in technical solutions:

Q: What is MIC4680BM? A: MIC4680BM is a voltage regulator IC (integrated circuit) that provides a regulated output voltage from an input voltage source.
Q: What is the input voltage range for MIC4680BM? A: The input voltage range for MIC4680BM is typically between 4.5V and 36V.
Q: What is the output voltage range for MIC4680BM? A: The output voltage range for MIC4680BM can be adjusted from 1.25V to 33V using external resistors.
Q: What is the maximum output current of MIC4680BM? A: MIC4680BM can provide a maximum output current of up to 1.5A.
Q: Is MIC4680BM suitable for battery-powered applications? A: Yes, MIC4680BM is suitable for battery-powered applications as it has low quiescent current and supports low dropout voltage operation.
Q: Does MIC4680BM have built-in thermal shutdown protection? A: Yes, MIC4680BM incorporates thermal shutdown protection to prevent damage due to excessive temperature.
Q: Can MIC4680BM operate in a wide temperature range? A: Yes, MIC4680BM is designed to operate in a wide temperature range, typically from -40°C to +125°C.
Q: Does MIC4680BM require any external components for operation? A: Yes, MIC4680BM requires a few external components such as input and output capacitors for stability and filtering.
Q: Can MIC4680BM handle input voltage fluctuations? A: Yes, MIC4680BM has built-in voltage and current limit protections to handle input voltage fluctuations and protect the circuit.
Q: What are some typical applications of MIC4680BM? A: MIC4680BM is commonly used in various technical solutions such as power supplies, battery chargers, industrial equipment, automotive electronics, and portable devices.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.