MIC2954-03YZ

Product Overview

Category

MIC2954-03YZ belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.8V
• Maximum Output Current: 500mA
• Dropout Voltage: 380mV at 500mA
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Reverse Battery Protection
• Adjustable Output Voltage

Package

MIC2954-03YZ comes in a TO-220 package.

Essence

The essence of MIC2954-03YZ is its ability to provide a stable and regulated output voltage, even when the input voltage fluctuates.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

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
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-220

Detailed Pin Configuration

MIC2954-03YZ has three pins:

1. Vin (Pin 1): Input voltage pin.
2. Vout (Pin 2): Output voltage pin.
3. GND (Pin 3): Ground pin.

Functional Features

• Voltage Regulation: MIC2954-03YZ ensures a stable output voltage regardless of input voltage fluctuations.
• Thermal Shutdown Protection: It incorporates a thermal shutdown feature to prevent overheating.
• Short Circuit Current Limiting: The device limits the current in case of a short circuit, protecting the circuitry.
• Reverse Battery Protection: It safeguards against reverse polarity connection, preventing damage to the device.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.
• Reverse battery protection enhances safety.
• Adjustable output voltage provides flexibility.

Disadvantages

• Maximum output current limited to 500mA.
• Dropout voltage may affect performance in low voltage scenarios.

Working Principles

MIC2954-03YZ operates on the principle of regulating voltage through a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage, compensating for any variations in the input voltage.

Detailed Application Field Plans

MIC2954-03YZ finds applications in various electronic devices and systems, including: 1. Power supplies for microcontrollers and other digital circuits. 2. Battery-powered devices requiring stable voltage levels. 3. Automotive electronics, such as infotainment systems and engine control units. 4. Industrial control systems and automation equipment. 5. Portable consumer electronics, like smartphones and tablets.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC2954-03YZ are: 1. LM317: A popular adjustable voltage regulator with a wide input voltage range. 2. LT1086: A low dropout voltage regulator suitable for low voltage applications. 3. LM1117: A fixed output voltage regulator available in various voltage options. 4. MAX603: An ultra-low quiescent current voltage regulator for power-sensitive applications.

These alternative models provide options based on specific requirements and can be considered as substitutes for MIC2954-03YZ.

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