MIC5239-3.3BMM-TR

Product Overview

Category

The MIC5239-3.3BMM-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The MIC5239-3.3BMM-TR provides a regulated output voltage of 3.3V.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power conversion.
• Low quiescent current: The device has a low quiescent current, minimizing power consumption.
• Thermal shutdown protection: It incorporates thermal shutdown protection to prevent overheating.
• Short-circuit protection: The product features built-in short-circuit protection for enhanced safety.

Package

The MIC5239-3.3BMM-TR is available in a miniature SOT-23 package, which is compact and suitable for space-constrained applications.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

The MIC5239-3.3BMM-TR is typically packaged in reels containing 3000 units, making it convenient for automated assembly processes.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 120µA (typical)
• Maximum Output Current: 150mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5239-3.3BMM-TR has three pins:

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

Functional Features

• Voltage Regulation: The MIC5239-3.3BMM-TR maintains a constant output voltage of 3.3V, regardless of input voltage fluctuations.
• Low Dropout Voltage: It operates with a low dropout voltage, allowing efficient power conversion even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The device consumes minimal current when in standby mode, reducing power consumption and extending battery life.
• Thermal Shutdown Protection: In case of excessive temperature rise, the regulator shuts down to prevent damage to the device.
• Short-Circuit Protection: The MIC5239-3.3BMM-TR includes short-circuit protection, safeguarding the circuit from potential damage during fault conditions.

Advantages and Disadvantages

Advantages

• Compact size and lightweight design.
• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation characteristics.
• Built-in thermal and short-circuit protection enhance reliability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Requires external capacitors for stability.

Working Principles

The MIC5239-3.3BMM-TR utilizes a feedback control mechanism to maintain a stable output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly. This feedback loop ensures that the output voltage remains constant, compensating for variations in the input voltage and load conditions.

Detailed Application Field Plans

The MIC5239-3.3BMM-TR finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial automation - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package options.
2. LT1763-3.3: Offers higher maximum output current and lower dropout voltage.
3. MCP1703-3.3: Provides a cost-effective solution with comparable performance.

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

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