MIC29201-12WU

Product Overview

Category

MIC29201-12WU belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 4.5V to 26V
• Output Voltage: 1.2V
• Maximum Output Current: 1A
• Low Dropout Voltage: 380mV at 1A
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Adjustable Output Voltage with External Resistors

Package

MIC29201-12WU comes in a TO-263 package, also known as D²PAK or DDPAK.

Essence

The essence of MIC29201-12WU lies in its ability to provide a stable and regulated output voltage despite variations in the input voltage.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage: 1.2V
• Output Current: Up to 1A
• Dropout Voltage: 380mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263 (D²PAK)
• Package Dimensions: 10.16mm x 9.65mm x 3.30mm

Detailed Pin Configuration

MIC29201-12WU has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Regulated output voltage pin.

Functional Features

• Voltage Regulation: MIC29201-12WU ensures a stable output voltage of 1.2V regardless of input voltage fluctuations.
• Low Dropout Voltage: The regulator maintains a low dropout voltage of 380mV at 1A, minimizing power dissipation.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short Circuit Current Limiting: The device limits the output current in case of a short circuit, protecting the circuitry.
• Adjustable Output Voltage: The output voltage can be adjusted using external resistors, providing flexibility in applications.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use.
• Low dropout voltage minimizes power dissipation.
• Thermal shutdown protection prevents overheating.
• Short circuit current limiting protects the circuit.
• Adjustable output voltage provides flexibility.

Disadvantages

• Limited to a fixed output voltage of 1.2V.
• Maximum output current limited to 1A.

Working Principles

MIC29201-12WU is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage. The device operates by dissipating excess voltage as heat, resulting in a regulated output voltage.

Detailed Application Field Plans

MIC29201-12WU finds applications in various fields, including: 1. Power supply circuits for microcontrollers and digital ICs. 2. Battery-powered devices requiring stable voltage regulation. 3. Automotive electronics. 4. Industrial control systems. 5. Communication equipment.

Detailed and Complete Alternative Models

Some alternative models to MIC29201-12WU are: 1. LM1117-1.2: A popular fixed-output voltage regulator with similar specifications. 2. LT1763-1.2: A low dropout linear regulator with adjustable output voltage. 3. TPS7A4901: An ultra-low dropout voltage regulator suitable for noise-sensitive applications.

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

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