MIC39100-3.3WS-TR

Product Overview

Category

The MIC39100-3.3WS-TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize the output voltage.

Characteristics

• Voltage Output: 3.3V
• Package Type: WS (TO-263)
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The MIC39100-3.3WS-TR has the following specifications:

• Input Voltage Range: 4.5V to 60V
• Dropout Voltage: 500mV at 1A
• Output Current: Up to 1.5A
• Line Regulation: ±0.05%
• Load Regulation: ±0.2%
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The pin configuration of the MIC39100-3.3WS-TR is as follows:

```

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| | --| VIN GND|-- --| VOUT EN |-- |___________| ```

• VIN: Input voltage
• GND: Ground
• VOUT: Output voltage
• EN: Enable pin for turning the regulator on/off

Functional Features

The MIC39100-3.3WS-TR offers the following functional features:

• Low dropout voltage: The regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Overcurrent protection: The device includes built-in protection against excessive current flow, preventing damage to the regulator and the connected circuitry.
• Thermal shutdown: In case of excessive temperature, the regulator automatically shuts down to prevent overheating and potential damage.
• Enable pin control: The regulator can be turned on or off using the enable pin, allowing for power-saving operation when not required.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient regulation even with small voltage differentials.
• Overcurrent protection safeguards the regulator and connected components.
• Thermal shutdown prevents overheating and damage.
• Enable pin control offers flexibility in power management.

Disadvantages

• Limited output current capacity of up to 1.5A may not be sufficient for high-power applications.
• The TO-263 package may require additional thermal considerations for effective heat dissipation.

Working Principles

The MIC39100-3.3WS-TR operates based on a linear voltage regulation principle. 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 stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

The MIC39100-3.3WS-TR is widely used in various electronic applications, including:

1. Power supply modules: It provides regulated voltage for microcontrollers, sensors, and other components in power supply modules.
2. Battery-powered devices: The low dropout voltage and wide input voltage range make it suitable for battery-powered devices, such as portable electronics and IoT devices.
3. Automotive electronics: The regulator's ability to withstand a wide temperature range makes it suitable for automotive applications, including infotainment systems, lighting controls, and engine management systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC39100-3.3WS-TR include:

1. LM1117-3.3: A popular voltage regulator with a fixed 3.3V output and similar specifications.
2. LT1763-3.3: A low dropout voltage regulator with a 3.3V output and adjustable output current.
3. TPS7A3301: An ultra-low dropout voltage regulator with a fixed 3.3V output and high output current capability.

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

In conclusion, the MIC39100-3.3WS-TR is a voltage regulator that offers stable and regulated output voltage in various electronic applications. Its low dropout voltage, wide input voltage range, and built-in protection features make it a reliable choice for power supply modules, battery-powered devices, and automotive electronics.