MIC39101-3.3BM-TR

Product Overview

Category

The MIC39101-3.3BM-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V
• Maximum Output Current: 1A
• Low Dropout Voltage: 120mV at 1A
• Low Quiescent Current: 85µA
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Fast Transient Response

Package

The MIC39101-3.3BM-TR comes in a small surface-mount SOT-23 package, which is widely used in compact electronic devices.

Essence

This voltage regulator is designed to provide a stable output voltage of 3.3V, regardless of input voltage fluctuations, making it suitable for various applications.

Packaging/Quantity

The MIC39101-3.3BM-TR is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V ±2%
• Maximum Output Current: 1A
• Dropout Voltage: 120mV at 1A
• Quiescent Current: 85µA
• Line Regulation: 0.05%/V
• Load Regulation: 0.1%/A
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Detailed Pin Configuration

The MIC39101-3.3BM-TR has three pins:

1. VIN (Pin 1): Input voltage pin
2. GND (Pin 2): Ground pin
3. VOUT (Pin 3): Output voltage pin

Functional Features

• Low Dropout Voltage: The MIC39101-3.3BM-TR exhibits a low dropout voltage of only 120mV at 1A, ensuring efficient power conversion even with small input-output differentials.
• Thermal Shutdown Protection: This feature prevents the regulator from overheating by shutting down the device when the temperature exceeds a safe threshold.
• Short Circuit Current Limiting: The regulator limits the output current in case of a short circuit, protecting both the device and the connected circuitry.
• Fast Transient Response: The MIC39101-3.3BM-TR quickly responds to changes in load conditions, maintaining a stable output voltage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Thermal shutdown protection prevents damage due to overheating.
• Short circuit current limiting protects the device and connected circuitry.
• Fast transient response maintains a stable output voltage during load changes.

Disadvantages

• Limited maximum output current of 1A may not be suitable for high-power applications.
• SOT-23 package may require surface-mount soldering expertise.

Working Principles

The MIC39101-3.3BM-TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. Any difference between the two voltages is amplified and used to adjust the pass transistor, ensuring a constant output voltage.

Detailed Application Field Plans

The MIC39101-3.3BM-TR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

1. LM1117-3.3: This voltage regulator offers similar specifications and features to the MIC39101-3.3BM-TR, with a maximum output current of 800mA.
2. LT1763-3.3: This low dropout voltage regulator provides a maximum output current of 500mA and offers excellent line and load regulation.

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

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