MIC4685-3.3BR TR

Product Overview

Category

The MIC4685-3.3BR TR belongs to the category of voltage regulators.

Use

This product is used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV
• Low Quiescent Current: 120µA
• Low Shutdown Current: 0.1µA
• Operating Temperature Range: -40°C to +125°C

Package

The MIC4685-3.3BR TR comes in a small outline SOT-23 package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, even when the input voltage fluctuates.

Packaging/Quantity

The MIC4685-3.3BR TR is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 3.3V ±2%
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (at 100mA)
• Line Regulation: 0.05%/V
• Load Regulation: 0.1%/mA
• Quiescent Current: 120µA
• Shutdown Current: 0.1µA
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC4685-3.3BR TR has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation provide stable output voltage.
• High ripple rejection enhances performance in noisy environments.
• Shutdown mode reduces power consumption to an extremely low level.

Advantages

• Wide input voltage range enables compatibility with different power sources.
• Stable output voltage ensures reliable operation of connected devices.
• Low dropout voltage results in minimal power dissipation.
• Compact SOT-23 package allows for space-saving integration into designs.
• Shutdown mode helps conserve power when the regulator is not in use.

Disadvantages

• Maximum output current of 500mA may limit its use in high-power applications.
• Limited output voltage options restricts its versatility in certain scenarios.

Working Principles

The MIC4685-3.3BR TR operates based on a linear voltage regulation principle. It utilizes a feedback mechanism to compare the output voltage with a reference voltage, adjusting the internal circuitry to maintain a constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

The MIC4685-3.3BR TR finds applications in various electronic systems, including but not limited to:

1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial control systems: Ensures consistent voltage levels for sensors, actuators, and other components in automation and monitoring systems.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
4. Communication equipment: Maintains steady voltage for routers, switches, and wireless access points.
5. Medical devices: Offers reliable voltage regulation for medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1763-3.3: Provides higher output current capability and lower dropout voltage.
3. TPS73633: Offers adjustable output voltage and enhanced thermal performance.

These alternative models can be considered based on specific requirements and design constraints.

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