MIC5239-5.0BS TR

Product Overview

Category

The MIC5239-5.0BS 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: 5.0V
• Package Type: SOT-23
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The MIC5239-5.0BS TR has the following specifications:

• Input Voltage Range: 2.3V to 16V
• Dropout Voltage: 200mV at 150mA
• Output Current: 150mA
• Line Regulation: ±0.1%
• Load Regulation: ±0.4%
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5239-5.0BS TR has three pins with the following configuration:

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

Functional Features

The key functional features of the MIC5239-5.0BS TR include:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: It consumes minimal current when in standby mode, conserving power.
• Overcurrent and thermal protection: The device includes built-in protection mechanisms to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Compact package size allows for space-saving designs.
• Wide input voltage range enables versatile applications.
• Low dropout voltage minimizes power dissipation.

Disadvantages

• Limited output current capacity compared to higher-rated regulators.
• Sensitive to input voltage fluctuations, requiring additional filtering components in some applications.

Working Principles

The MIC5239-5.0BS TR operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC5239-5.0BS TR finds applications in various electronic systems, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of this regulator.
2. Automotive electronics: The wide operating temperature range makes it suitable for automotive applications, such as infotainment systems and engine control units.
3. Industrial control systems: The stability and accuracy of the regulator make it ideal for use in industrial automation, robotics, and instrumentation equipment.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the MIC5239-5.0BS TR include:

1. LM1117-5.0: A popular 5V voltage regulator with similar specifications and package type.
2. MCP1700-500: Another 5V regulator with low dropout voltage and compact package.
3. LT1763-5.0: A high-performance 5V regulator with excellent line and load regulation.

These alternative models offer similar functionality and can be chosen based on specific application requirements.

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