MIC5249-2.85YMM

Product Overview

Category

MIC5249-2.85YMM 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: Miniature SOT-23
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The MIC5249-2.85YMM voltage regulator has the following specifications:

• Input Voltage Range: 2.5V to 16V
• Dropout Voltage: 200mV (typical)
• Output Current: 150mA
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5249-2.85YMM voltage regulator 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: The MIC5249-2.85YMM exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a typical quiescent current of only 60µA, this voltage regulator minimizes power consumption in standby or low-load conditions.
• Excellent line and load regulation: The device maintains stable output voltage levels despite variations in input voltage and load conditions.
• Thermal shutdown protection: The MIC5249-2.85YMM includes built-in thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact package size allows for space-saving integration into various electronic devices.
• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption in standby or low-load conditions.
• Excellent line and load regulation provide stable output voltage levels.
• Thermal shutdown protection prevents damage from overheating.

Disadvantages

• Limited output current of 150mA may not be suitable for high-power applications.
• Input voltage range of 2.5V to 16V may restrict compatibility with certain systems.

Working Principles

The MIC5249-2.85YMM operates based on the principle of a linear voltage regulator. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This mechanism ensures that the output voltage remains constant despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The MIC5249-2.85YMM voltage regulator 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, extending battery life.
2. Industrial control systems: The stable output voltage and excellent line/load regulation make it suitable for powering microcontrollers, sensors, and other components in industrial automation applications.
3. Automotive electronics: With its wide operating temperature range, the MIC5249-2.85YMM can be used in automotive systems, providing regulated power to sensors, actuators, and control modules.

Detailed and Complete Alternative Models

1. LM1117-2.85: A popular alternative with similar specifications and pin configuration.
2. LT1763-2.85: Offers higher output current capability and lower dropout voltage.
3. MCP1702-2.85: Provides a cost-effective alternative with comparable performance.

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

In conclusion, the MIC5249-2.85YMM is a voltage regulator that offers stable and efficient voltage regulation for various electronic applications. Its low dropout voltage, low quiescent current, and excellent line/load regulation make it a reliable choice for designers seeking to ensure consistent power supply in their circuits.