MIC5239-3.3YS

Product Overview

Category

MIC5239-3.3YS belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 120mV at 100mA
• Low Quiescent Current: 60µA
• Thermal Shutdown Protection
• Short Circuit Protection

Package

MIC5239-3.3YS is available in a small SOT-23 package.

Essence

The essence of MIC5239-3.3YS is its ability to provide a stable output voltage of 3.3V with low dropout and quiescent current.

Packaging/Quantity

This product is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V ±2%
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 60µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.1%/mA
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC5239-3.3YS has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low Dropout Voltage: The MIC5239-3.3YS exhibits a low dropout voltage of 120mV at 100mA, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Thermal Shutdown Protection: The regulator includes a thermal shutdown feature that protects it from overheating by shutting down the output when the temperature exceeds a safe threshold.
• Short Circuit Protection: MIC5239-3.3YS incorporates short circuit protection, preventing damage to the device in case of a short circuit condition.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Thermal shutdown protection prevents overheating and potential damage.
• Short circuit protection enhances the reliability of the device.

Disadvantages

• Maximum output current limited to 150mA, which may not be sufficient for high-power applications.
• SOT-23 package may require careful handling during soldering due to its small size.

Working Principles

MIC5239-3.3YS 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. The internal feedback mechanism compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 3.3V.

Detailed Application Field Plans

MIC5239-3.3YS finds applications in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Embedded systems - Communication modules

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5239-3.3YS are: - LM1117-3.3 - MCP1700-3302E/TO - LP2985-33DBVR

These alternatives provide comparable voltage regulation capabilities and can be considered as substitutes depending on specific requirements and availability.

In conclusion, MIC5239-3.3YS is a voltage regulator with excellent characteristics such as low dropout voltage, thermal shutdown protection, and short circuit protection. It finds applications in various electronic devices and circuits, providing stable and regulated power supply.