MIC5239BM

Product Overview

Category

MIC5239BM belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output current capability
• Excellent line and load regulation
• Thermal shutdown protection
• Short circuit current limit

Package

MIC5239BM is available in a small outline package (SOT-23) which allows for easy integration into various electronic devices.

Essence

The essence of MIC5239BM lies in its ability to provide stable and regulated voltage output, ensuring reliable performance of electronic circuits.

Packaging/Quantity

The product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of MIC5239BM units.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 200mV at 150mA
• Output Current: Up to 150mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC5239BM 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 ensures efficient power conversion.
• High output current capability enables it to handle demanding applications.
• Excellent line and load regulation maintain stable voltage output under varying conditions.
• Thermal shutdown protection prevents overheating and damage to the device.
• Short circuit current limit protects the circuit from excessive current flow.

Advantages and Disadvantages

Advantages

• Low dropout voltage allows for efficient power conversion.
• High output current capability makes it suitable for demanding applications.
• Excellent line and load regulation ensure stable voltage output.
• Thermal shutdown protection prevents damage due to overheating.
• Short circuit current limit protects the circuit from excessive current flow.

Disadvantages

• Limited output current compared to some other voltage regulators.
• Higher quiescent current compared to certain alternatives.

Working Principles

MIC5239BM operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant, regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

MIC5239BM finds application in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5239BM include: - LM1117: A popular voltage regulator with low dropout voltage and high output current capability. - LT1763: A high-performance voltage regulator with excellent line and load regulation. - ADP3339: A low dropout voltage regulator with thermal shutdown protection.

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

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