MIC5209-4.2BS TR

Product Overview

Category

MIC5209-4.2BS TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage Output: 4.2V
• Package Type: SOT-23
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The MIC5209-4.2BS TR voltage regulator has the following specifications:

• Input Voltage Range: 2.5V to 16V
• Dropout Voltage: 20mV at 100mA
• Output Current: 150mA
• Line Regulation: 0.05% typical
• Load Regulation: 0.1% typical
• Quiescent Current: 120µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5209-4.2BS TR voltage regulator has three pins:

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

Functional Features

• Low dropout voltage: The MIC5209-4.2BS TR has a low dropout voltage, ensuring efficient regulation even with small input-output differentials.
• Low quiescent current: The regulator operates with a low quiescent current, minimizing power consumption when the load is light.
• Thermal shutdown protection: The device includes thermal shutdown protection, preventing damage due to excessive temperature.
• Short-circuit protection: It incorporates short-circuit protection, safeguarding the regulator and the connected circuitry from damage.

Advantages and Disadvantages

Advantages

• Stable output voltage regulation.
• Low dropout voltage.
• Low quiescent current consumption.
• Thermal and short-circuit protection.

Disadvantages

• Limited output current capacity (150mA).

Working Principles

The MIC5209-4.2BS TR is a low dropout voltage regulator that uses a PNP pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage to adjust the pass transistor's resistance, maintaining a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The MIC5209-4.2BS TR voltage regulator finds applications in various electronic devices and systems, including:

1. Battery-powered devices: It can be used in portable electronics such as smartphones, tablets, and digital cameras to ensure stable voltage supply.
2. Automotive electronics: The regulator is suitable for automotive applications, providing regulated power to sensors, actuators, and other components.
3. Industrial control systems: It can be employed in industrial control systems to regulate voltage levels for microcontrollers, sensors, and communication modules.
4. IoT devices: The regulator is useful in Internet of Things (IoT) devices, ensuring reliable power supply for sensors, wireless modules, and microcontrollers.

Detailed and Complete Alternative Models

Some alternative models to the MIC5209-4.2BS TR voltage regulator include:

1. LM1117-4.2V: A popular 4.2V voltage regulator with similar specifications.
2. MCP1700-4202E: Another 4.2V voltage regulator offering low dropout voltage and low quiescent current.
3. LT1763-4.2: A high-performance 4.2V regulator with excellent line and load regulation.

These alternatives provide similar functionality and can be considered based on specific application requirements.

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