MIC5219-3.3BMM-TR

Product Overview

Category

The MIC5219-3.3BMM-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 MIC5219-3.3BMM-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, making it suitable for battery-powered applications.
• Thermal shutdown protection: It incorporates thermal shutdown protection to prevent overheating.
• Short-circuit protection: The regulator includes short-circuit protection to safeguard against excessive current flow.

Package

The MIC5219-3.3BMM-TR comes in a miniature SOT-23 package, which is compact and space-saving.

Essence

This voltage regulator is designed to provide a stable and reliable power supply for various electronic devices.

Packaging/Quantity

The MIC5219-3.3BMM-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
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 75µA
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC5219-3.3BMM-TR features a 5-pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. BYP (Bypass)
5. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The MIC5219-3.3BMM-TR ensures a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Low Dropout Voltage: With a low dropout voltage of 120mV at 100mA, this regulator minimizes power loss and maximizes efficiency.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, which automatically shuts down the regulator in case of excessive temperature to prevent damage.
• Short-Circuit Protection: It includes short-circuit protection to safeguard against overcurrent conditions, ensuring the safety of the connected circuitry.

Advantages and Disadvantages

Advantages

• Compact size and lightweight design
• Wide input voltage range allows for versatile applications
• Low quiescent current makes it suitable for battery-powered devices
• Excellent voltage regulation and low dropout voltage ensure stable and efficient power supply

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications
• Requires external components for proper operation, increasing overall system complexity

Working Principles

The MIC5219-3.3BMM-TR operates based on the principle of linear voltage regulation. It utilizes a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 3.3V. The regulator uses a pass transistor to control the flow of current and regulate the output voltage.

Detailed Application Field Plans

The MIC5219-3.3BMM-TR finds application in various electronic systems, including but not limited to: - Battery-powered devices such as portable audio players, handheld gaming consoles, and wireless communication devices - Embedded systems and microcontroller-based projects - Automotive electronics - Industrial control systems - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

• LM1117-3.3: A popular alternative with similar specifications and pin configuration.
• LT1763-3.3: Another alternative offering higher maximum output current and lower dropout voltage.
• NCP1117-3.3: An alternative option with comparable performance characteristics.

These alternative models can be considered based on specific application requirements and availability in the market.

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