MIC29201-3.3BU

Product Overview

Category

The MIC29201-3.3BU belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 4V to 26V
• Output Voltage: 3.3V
• Maximum Output Current: 1A
• Low Dropout Voltage: 380mV at 1A
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short Circuit Protection

Package

The MIC29201-3.3BU comes in a TO-263 package, also known as D2PAK or DDPAK.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage of 3.3V, even when the input voltage varies.

Packaging/Quantity

The MIC29201-3.3BU is typically available in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 26V
• Output Voltage: 3.3V
• 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 15.24mm x 4.57mm

Detailed Pin Configuration

The MIC29201-3.3BU 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: The MIC29201-3.3BU ensures a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Low Dropout Voltage: With a dropout voltage of only 380mV at 1A, this regulator minimizes power dissipation and improves efficiency.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short Circuit Protection: The device is equipped with short circuit protection, safeguarding the regulator and the connected circuitry.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage reduces power dissipation.
• Thermal shutdown and short circuit protection enhance reliability.
• Compact TO-263 package facilitates easy integration into circuits.

Disadvantages

• Limited maximum output current of 1A may not be sufficient for high-power applications.
• Higher quiescent current compared to some other voltage regulators.

Working Principles

The MIC29201-3.3BU utilizes a combination of internal circuitry, including a voltage reference, error amplifier, and pass transistor, to regulate the output voltage. It compares the feedback voltage with the reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage of 3.3V.

Detailed Application Field Plans

The MIC29201-3.3BU finds applications in various electronic systems, including but not limited to: - Power supplies - Battery-powered devices - Embedded systems - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the MIC29201-3.3BU are: - LM1117-3.3 - LT1763-3.3 - TPS73633DBVR - ADP3339AKCZ-3.3

These models offer similar voltage regulation capabilities and can be suitable replacements depending on specific requirements.

In conclusion, the MIC29201-3.3BU is a voltage regulator that provides stable and regulated 3.3V output voltage. It offers advantages such as a wide input voltage range, low dropout voltage, and protection features. However, it has limitations in terms of maximum output current and quiescent current. The device finds applications in various electronic systems and has alternative models available for consideration.