MIC2920A-4.8BU

Product Overview

Category

The MIC2920A-4.8BU belongs to the category of voltage regulators.

Use

This product is commonly used to regulate voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output current capability
• Thermal shutdown protection
• Short circuit current limiting
• Reverse battery protection

Package

The MIC2920A-4.8BU comes in a TO-263 package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The MIC2920A-4.8BU is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 26V
• Output Voltage: 4.8V
• Dropout Voltage: 380mV at 1A
• Output Current: 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2920A-4.8BU 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

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High output current capability allows for powering a wide range of electronic devices.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short circuit current limiting protects the regulator and the load from excessive current.
• Reverse battery protection safeguards against reverse polarity connection.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage
• Wide input voltage range
• Low dropout voltage
• High output current capability
• Thermal shutdown protection

Disadvantages

• Relatively high quiescent current compared to some other voltage regulators
• Limited output voltage options

Working Principles

The MIC2920A-4.8BU 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 adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC2920A-4.8BU can be used in various applications, including but not limited to: - Power supplies for microcontrollers and other digital ICs - Battery-powered devices - Automotive electronics - Industrial control systems - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC2920A-4.8BU include: - LM2940-4.8 - LT1086-4.8 - ADP3339-4.8

These models provide comparable voltage regulation capabilities and can be considered as alternatives based on specific application requirements.

In conclusion, the MIC2920A-4.8BU is a voltage regulator with excellent characteristics such as low dropout voltage, high output current capability, and thermal shutdown protection. It finds applications in a wide range of electronic devices and can be replaced by alternative models with similar features.