MIC5219-2.85BM5-TR

Product Overview

Category

MIC5219-2.85BM5-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: 2.85V
• Package Type: SOT-23-5
• Essence: Low Dropout Regulator (LDO)
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

The MIC5219-2.85BM5-TR voltage regulator has the following specifications:

• Input Voltage Range: 2.3V to 16V
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 100mA
• Line Regulation: ±0.1%
• Load Regulation: ±0.4%
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5219-2.85BM5-TR package (SOT-23-5) has the following pin configuration:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Feedback (FB) Pin 4: Output (OUT) Pin 5: Input (IN)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Excellent line and load regulation characteristics provide stable output voltage under varying conditions.
• Thermal shutdown and current limit protection features safeguard the device from damage due to excessive heat or overcurrent situations.
• Fast transient response enables quick stabilization of the output voltage during load changes.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Small package size makes it suitable for space-constrained designs.
• High accuracy and stability ensure reliable voltage regulation.

Disadvantages

• Limited output current may not be sufficient for high-power applications.
• Dropout voltage may cause a significant power loss in low input voltage scenarios.

Working Principles

The MIC5219-2.85BM5-TR is a low dropout regulator (LDO) that utilizes a PNP pass transistor to regulate the output voltage. It operates by comparing the feedback voltage with a reference voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The enable pin allows for easy control of the regulator's operation.

Detailed Application Field Plans

The MIC5219-2.85BM5-TR finds application 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 efficient voltage regulation provided by this LDO regulator.
2. Automotive electronics: The regulator can be used in automotive applications like infotainment systems, navigation devices, and lighting controls.
3. Industrial equipment: It is suitable for powering sensors, actuators, and control circuits in industrial automation systems.
4. Communication systems: Wireless routers, modems, and network switches often require stable voltage levels, making this regulator an ideal choice.

Detailed and Complete Alternative Models

1. LM1117-2.85: A popular alternative with similar specifications and pin configuration.
2. LT1763-2.85: Offers lower dropout voltage and higher output current capability.
3. TPS7A3301-2.85: Provides enhanced line and load regulation performance.

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

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