MIC2954-02BZ-TR

Product Overview

Category

The MIC2954-02BZ-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• The MIC2954-02BZ-TR is a low-dropout (LDO) voltage regulator.
• It operates with an input voltage range of 2.5V to 16V.
• The output voltage can be adjusted from 1.25V to 13.8V.
• It has a maximum output current of 500mA.
• This voltage regulator offers excellent line and load regulation.
• It provides thermal shutdown and current limit protection features.

Package

The MIC2954-02BZ-TR comes in a small surface-mount SOT-223 package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The MIC2954-02BZ-TR is typically packaged in reels, containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.8V
• Maximum Output Current: 500mA
• Dropout Voltage: 380mV at 500mA
• Line Regulation: 0.04% typical
• Load Regulation: 0.2% typical
• Quiescent Current: 120µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2954-02BZ-TR has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Current limit protection safeguards against overcurrent situations.

Advantages

• Wide input voltage range allows for versatile applications.
• Small package size enables space-saving designs.
• Low quiescent current minimizes power consumption.
• Robust protection features enhance reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage may cause some power loss in low input-output differential scenarios.

Working Principles

The MIC2954-02BZ-TR operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry ensures that the output voltage remains stable, compensating for variations in the input voltage and load conditions.

Detailed Application Field Plans

The MIC2954-02BZ-TR finds applications in various electronic systems, including:

1. Battery-powered devices: Provides regulated voltage for portable electronics, such as smartphones, tablets, and wearable devices.
2. Automotive electronics: Ensures stable voltage supply for automotive control units, sensors, and infotainment systems.
3. Industrial equipment: Used in instrumentation, control systems, and motor drives to maintain consistent voltage levels.
4. Communication systems: Regulates voltage for routers, switches, and wireless access points, ensuring reliable operation.
5. Consumer electronics: Enables stable voltage for audio/video equipment, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package options.
2. LT1763: Offers higher maximum output current and lower dropout voltage.
3. TPS7A47: Provides ultra-low noise performance for sensitive applications.
4. ADP3339: Features adjustable output voltage and high accuracy.

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

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