MIC5249-2.8BMM-TR

Product Overview

Category

The MIC5249-2.8BMM-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 regulation: The MIC5249-2.8BMM-TR provides a fixed output voltage of 2.8V.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power conversion.
• Low quiescent current: The regulator has a low quiescent current, minimizing power consumption.
• Thermal shutdown protection: It incorporates thermal shutdown protection to prevent overheating.
• Short-circuit protection: The device includes short-circuit protection to safeguard against excessive current flow.

Package

The MIC5249-2.8BMM-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 reliable power supply for various electronic devices.

Packaging/Quantity

The MIC5249-2.8BMM-TR is typically packaged in reels containing a specified quantity of units, such as 3000 pieces per reel.

Specifications

• Output voltage: 2.8V
• Input voltage range: 2.5V - 16V
• Dropout voltage: 200mV (typical)
• Quiescent current: 45µA (typical)
• Operating temperature range: -40°C to +125°C
• Package type: SOT-23

Detailed Pin Configuration

The MIC5249-2.8BMM-TR features 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

• Voltage regulation: The MIC5249-2.8BMM-TR maintains a constant output voltage of 2.8V, regardless of input voltage fluctuations.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the output voltage.
• Low quiescent current: The regulator consumes minimal current during standby or idle conditions, reducing power consumption and extending battery life.
• Thermal shutdown protection: In case of excessive temperature rise, the device automatically shuts down to prevent damage.
• Short-circuit protection: The regulator includes short-circuit protection, which limits the output current to protect both the regulator and the connected circuitry.

Advantages and Disadvantages

Advantages

• Stable output voltage: Provides a reliable and consistent output voltage of 2.8V.
• Compact package: The SOT-23 package allows for easy integration into space-constrained designs.
• Low power consumption: The low quiescent current minimizes power usage, making it suitable for battery-powered applications.
• Protection features: Thermal shutdown and short-circuit protection enhance the safety and reliability of the device.

Disadvantages

• Fixed output voltage: The regulator only provides a fixed output voltage of 2.8V, limiting its versatility in applications requiring different voltage levels.
• Limited input voltage range: The input voltage should be within the range of 2.5V to 16V for proper operation.

Working Principles

The MIC5249-2.8BMM-TR utilizes a combination of internal circuitry and feedback mechanisms to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable 2.8V output, compensating for any changes in the input voltage or load conditions.

Detailed Application Field Plans

The MIC5249-2.8BMM-TR finds applications in various electronic systems, including but not limited to:

1. Battery-powered devices: It can be used in portable electronics, such as smartphones, tablets, and wearable devices, to provide a stable power supply.
2. Embedded systems: The regulator is suitable for powering microcontrollers, sensors, and other components in embedded systems.
3. Industrial equipment: It can be employed in industrial automation systems, control circuits, and instrumentation devices that require precise voltage regulation.
4. Automotive electronics: The regulator can be utilized in automotive applications, such as infotainment systems, navigation devices, and engine control units.

Detailed and Complete Alternative Models

1. LM1117-2.8: This voltage regulator offers similar characteristics and a fixed output voltage of 2.8V. It is available in different package options, including SOT-223 and TO-220.
2. MCP1700-2802E/TO: Another alternative with a fixed 2.8V output voltage. It features low quiescent current and is available in a TO-92