MIC37501-3.3WR

Product Overview

Category

MIC37501-3.3WR belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 3.3V
• Maximum Output Current: 1A
• Package Type: TO-263-5L
• Essence: Low dropout linear regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The specifications of MIC37501-3.3WR are as follows:

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 3.3V
• Output Current: 1A
• Dropout Voltage: 300mV (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Quiescent Current: 80µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263-5L

Detailed Pin Configuration

MIC37501-3.3WR has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Excellent line and load regulation characteristics provide stable output voltage.
• Wide input voltage range allows for versatile applications.
• Enable pin allows for easy control of the regulator's operation.
• Bypass capacitor pin enhances stability and reduces noise.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation.
• Excellent line and load regulation characteristics provide stable output.
• Wide input voltage range allows for versatile applications.
• Enable pin provides easy control of the regulator's operation.

Disadvantages

• Quiescent current of 80µA may be relatively high for power-sensitive applications.
• Package type may not be suitable for space-constrained designs.

Working Principles

MIC37501-3.3WR is a low dropout linear regulator that regulates the output voltage by maintaining a constant voltage difference between the input and output. It achieves this by using a pass transistor to regulate the voltage across a series resistor. The enable pin allows the user to control the regulator's operation, while the bypass capacitor pin enhances stability and reduces noise.

Detailed Application Field Plans

MIC37501-3.3WR finds applications in various fields, including but not limited to:

1. Industrial automation systems
2. Automotive electronics
3. Telecommunications equipment
4. Consumer electronics
5. Power management modules

Detailed and Complete Alternative Models

Some alternative models to MIC37501-3.3WR are:

1. LM1117-3.3: Low dropout voltage regulator with similar specifications.
2. LT1763-3.3: Low noise LDO regulator with adjustable output voltage.
3. TPS7A3301: Ultra-low noise, high PSRR LDO regulator with fixed 3.3V output.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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