MIC2920A-3.3WT

Product Overview

Category

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

Use

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

Characteristics

• Voltage regulation: The MIC2920A-3.3WT 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.
• Thermal shutdown protection: It includes thermal shutdown protection to prevent damage due to excessive heat.
• Current limiting: The MIC2920A-3.3WT incorporates current limiting to protect against overcurrent conditions.

Package

The MIC2920A-3.3WT comes in a small surface-mount SOT-223 package.

Essence

The essence of the MIC2920A-3.3WT is its ability to regulate voltage efficiently and accurately in electronic circuits.

Packaging/Quantity

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

Specifications

• Output voltage: 3.3V
• Dropout voltage: 350mV (typical)
• Maximum input voltage: 20V
• Maximum output current: 500mA
• Line regulation: 0.04%/V
• Load regulation: 0.1%/mA
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MIC2920A-3.3WT 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 MIC2920A-3.3WT maintains a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Low dropout voltage: It operates with a low dropout voltage, minimizing power dissipation and maximizing efficiency.
• Thermal shutdown protection: The regulator includes thermal shutdown protection, which disables the device in case of excessive temperature.
• Current limiting: It incorporates current limiting to protect against overcurrent conditions, ensuring the safety of the connected circuitry.

Advantages and Disadvantages

Advantages

• High accuracy in voltage regulation.
• Low dropout voltage for efficient power conversion.
• Thermal shutdown protection prevents damage due to overheating.
• Current limiting protects against overcurrent conditions.

Disadvantages

• Limited maximum output current (500mA).
• Restricted operating temperature range (-40°C to +125°C).

Working Principles

The MIC2920A-3.3WT is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage of 3.3V. The dropout voltage is minimized by using a low resistance pass element.

Detailed Application Field Plans

The MIC2920A-3.3WT finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Embedded systems - Communication equipment - Consumer electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the MIC2920A-3.3WT include: - LM1117-3.3 - LT1763-3.3 - MAX6033

These models offer similar functionality and characteristics, providing alternatives for different design requirements.

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