MIC37300-3.3WR-TR

Product Overview

Category

MIC37300-3.3WR-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 3.3V
• Maximum Output Current: 3A
• Package Type: TO-263-7L
• Operating Temperature Range: -40°C to +125°C

Package and Quantity

MIC37300-3.3WR-TR is available in a TO-263-7L package. It is typically sold in reels or tubes containing a specific quantity, such as 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 3.3V ±2%
• Maximum Output Current: 3A
• Dropout Voltage: 0.6V (typical)
• Line Regulation: ±0.02% (typical)
• Load Regulation: ±0.1% (typical)
• Quiescent Current: 120µA (typical)
• Ripple Rejection: 70dB (typical)
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Pin Configuration

MIC37300-3.3WR-TR has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1 --| VOUT EN |-- Pin 2 --| NC FB |-- Pin 3 --| NC NC |-- Pin 4 --| NC NC |-- Pin 5 --| NC NC |-- Pin 6 --| NC NC |-- Pin 7 |___________| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• High output current capability of 3A enables powering various electronic components.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation provide stable output voltage.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short circuit protection safeguards the regulator and connected devices.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with different power sources.
• High output current capability suits a wide range of applications.
• Efficient power conversion with low dropout voltage.
• Stable output voltage under varying load and line conditions.
• Built-in thermal shutdown and short circuit protection enhance reliability.

Disadvantages

• Limited output voltage options (fixed at 3.3V).
• Package size may not be suitable for space-constrained designs.
• Requires external components for proper operation.

Working Principles

MIC37300-3.3WR-TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The regulator also includes protection features like thermal shutdown and short circuit protection to ensure safe operation.

Application Field Plans

MIC37300-3.3WR-TR finds applications in various fields, including but not limited to: - Power supplies for microcontrollers and digital circuits. - Battery-powered devices requiring regulated voltage. - Automotive electronics. - Industrial control systems. - Communication equipment.

Alternative Models

Some alternative models that offer similar functionality to MIC37300-3.3WR-TR include: - LM1117-3.3 - LT1086-3.3 - TPS73633

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

In conclusion, MIC37300-3.3WR-TR is a voltage regulator with a wide input voltage range, high output current capability, and excellent regulation characteristics. It offers various advantages such as efficient power conversion, stability, and protection features. While it has some limitations, it finds applications in diverse fields and has alternative models available for consideration.