MIC2920A-3.3BS

Product Overview

Category

The MIC2920A-3.3BS belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Voltage regulation: The MIC2920A-3.3BS provides a regulated output voltage of 3.3V.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power conversion.
• High accuracy: This voltage regulator offers high accuracy in maintaining the desired output voltage.
• Current limiting: It incorporates current limiting features to protect the circuit from excessive current flow.
• Thermal shutdown: The MIC2920A-3.3BS includes thermal shutdown protection to prevent overheating.

Package

The MIC2920A-3.3BS is available in a small outline SOT-223 package.

Essence

The essence of the MIC2920A-3.3BS lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input voltage range: 4.5V to 26V
• Output voltage: 3.3V
• Dropout voltage: 350mV at 100mA
• Output current: Up to 1A
• Line regulation: ±0.2%
• Load regulation: ±0.4%
• Quiescent current: 120µA
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MIC2920A-3.3BS 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

• Voltage regulation: The MIC2920A-3.3BS maintains a constant output voltage of 3.3V, regardless of input voltage fluctuations.
• Current limiting: It incorporates current limiting functionality to protect the circuit from excessive current flow, preventing damage to connected components.
• Thermal shutdown: In case of excessive temperature rise, the thermal shutdown feature activates, protecting the regulator from overheating and potential failure.

Advantages and Disadvantages

Advantages

• High accuracy in voltage regulation ensures stable performance of electronic circuits.
• Low dropout voltage enables efficient power conversion.
• Current limiting protects the circuit from overcurrent conditions.
• Thermal shutdown prevents overheating and potential damage.

Disadvantages

• Limited output current capacity (up to 1A).
• Requires external capacitors for stability.

Working Principles

The MIC2920A-3.3BS operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

The MIC2920A-3.3BS finds applications in various electronic devices and systems, including but not limited to: - Power supplies - Battery-powered devices - Embedded systems - Consumer electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC2920A-3.3BS include: - LM1117-3.3 - LT1086-3.3 - ADP3339-3.3 - LP2985-3.3

These alternatives can be considered based on specific requirements and compatibility with the target application.

In conclusion, the MIC2920A-3.3BS is a voltage regulator that provides stable and regulated voltage output for various electronic applications. With its low dropout voltage, high accuracy, and built-in protection features, it offers reliable performance in a compact package.