MIC29202BU

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: TO-263-5 (D2PAK)
• Essence: Linear Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 1.25V to 26V
• Dropout Voltage: 450mV at 1A
• Output Current: Up to 3A
• Line Regulation: 0.01%/V
• Load Regulation: 0.04%/A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC29202BU has a total of five pins:

1. VIN - Input voltage pin.
2. GND - Ground reference pin.
3. ADJ - Adjust pin for setting the output voltage.
4. VOUT - Output voltage pin.
5. NC - No connection pin.

Functional Features

• Low dropout voltage allows operation with small input-output differentials.
• High current capability enables the regulator to handle high load currents.
• Adjustable output voltage provides flexibility in various applications.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Thermal shutdown and current limit protection features enhance device reliability.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• High output current capability suits power-hungry applications.
• Adjustable output voltage offers versatility in different circuit designs.
• Low dropout voltage minimizes power dissipation and improves efficiency.
• Excellent line and load regulation ensures stable output under varying conditions.

Disadvantages

• The TO-263-5 package may require additional board space compared to smaller packages.
• Higher cost compared to non-adjustable voltage regulators for simpler applications.

Working Principles

The MIC29202BU is a linear voltage regulator that operates by maintaining a constant voltage difference between the input and output pins. It utilizes a pass transistor to regulate the output voltage based on the feedback received from the adjust pin. By adjusting the voltage at the ADJ pin, the output voltage can be set to the desired level within the specified range.

Detailed Application Field Plans

The MIC29202BU is suitable for a wide range of applications, including:

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

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with similar specifications.
2. LT1086-ADJ: High current adjustable linear regulator.
3. TPS7A4700: Low dropout voltage regulator with adjustable output.
4. LDO50V: Adjustable low dropout voltage regulator for high voltage applications.
5. MAX6037: Ultra-low quiescent current adjustable voltage regulator.

These alternative models offer similar functionality and can be considered as substitutes for the MIC29202BU in various applications.

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