MIC29202WT

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: TO-220
• Essence: Linear Regulator
• Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 1.25V to 26V
• Dropout Voltage: 380mV at 1A Load
• Output Current: Up to 1.5A
• Line Regulation: 0.04% typical
• Load Regulation: 0.1% typical
• Quiescent Current: 120µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC29202WT has a standard TO-220 package with 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 allows for efficient regulation even when the input voltage is close to the desired output voltage.
• High current capability enables the regulator to handle demanding loads.
• Adjustable output voltage provides flexibility in various applications.
• Excellent line and load regulation ensures stable output voltage under different operating conditions.
• Low quiescent current minimizes power consumption when the load is light.

Advantages and Disadvantages

Advantages

• Wide input voltage range makes it suitable for a variety of applications.
• Robust design allows for reliable operation in harsh environments.
• Adjustable output voltage offers versatility in different circuit designs.
• Low dropout voltage ensures efficient power conversion.
• High current capability enables the regulator to handle demanding loads.

Disadvantages

• The TO-220 package may require additional space on the PCB compared to smaller packages.
• Higher quiescent current compared to some other voltage regulators in the market.

Working Principles

The MIC29202WT is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a low resistance pass element, allowing for efficient regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The MIC29202WT can be used in various applications where a stable and adjustable voltage supply is required. Some potential application fields include:

1. Power supplies for microcontrollers and digital circuits.
2. Battery-powered devices requiring efficient voltage regulation.
3. Automotive electronics, such as infotainment systems and lighting controls.
4. Industrial control systems and automation equipment.
5. Communication systems, including base stations and wireless routers.

Detailed and Complete Alternative Models

1. LM317: Adjustable Linear Voltage Regulator with similar specifications and pin configuration.
2. LT1086: Low Dropout Positive Adjustable Regulator with higher current capability.
3. TPS7A47: Ultra-Low Noise, High PSRR, 1A Low-Dropout Linear Regulator suitable for sensitive audio applications.

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

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