MIC5319-3.3BD5

Product Overview

Category

The MIC5319-3.3BD5 belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation capability
• Compact package size
• Low power consumption
• Wide input voltage range
• High efficiency

Package

The MIC5319-3.3BD5 comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring proper functioning of electronic devices.

Packaging/Quantity

The MIC5319-3.3BD5 is typically packaged in reels or tubes and is available in quantities suitable for both prototyping and mass production.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.3V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5319-3.3BD5 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The MIC5319-3.3BD5 ensures a stable output voltage of 3.3V regardless of variations in the input voltage.
• Low Power Consumption: With a quiescent current of only 40µA, this voltage regulator minimizes power wastage.
• Overcurrent Protection: The device incorporates overcurrent protection to safeguard connected components from excessive current flow.
• Thermal Shutdown: In case of excessive temperature, the MIC5319-3.3BD5 automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into space-constrained designs.
• Wide input voltage range enables compatibility with various power sources.
• High efficiency results in minimal power loss during voltage regulation.
• Overcurrent protection ensures the safety of connected devices.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Dropout voltage of 200mV may affect performance in low-voltage scenarios.

Working Principles

The MIC5319-3.3BD5 utilizes a combination of internal circuitry and feedback mechanisms to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a stable 3.3V output.

Detailed Application Field Plans

The MIC5319-3.3BD5 finds application in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT (Internet of Things) devices - Embedded systems - Wearable devices

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1763-3.3: Offers higher output current capability and lower dropout voltage.
3. TPS79633: Provides excellent line and load regulation with low noise output.

These alternative models can be considered based on specific requirements and design constraints.

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