MIC37150-3.3BR TR

Product Overview

Category

The MIC37150-3.3BR TR belongs to the category of voltage regulators.

Use

This product is used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Input Voltage Range: 4.5V to 60V
• Output Voltage: 3.3V
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV at 1A
• Low Quiescent Current: 85µA
• Thermal Shutdown Protection
• Short Circuit Protection
• Adjustable Soft-Start
• Small Package Size: SOT-223
• RoHS Compliant

Packaging/Quantity

The MIC37150-3.3BR TR is typically packaged in reels or tubes, containing a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage: 3.3V ±2%
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV at 1A
• Quiescent Current: 85µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.1%/A
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-223

Detailed Pin Configuration

The MIC37150-3.3BR TR has the following pin configuration:

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

Functional Features

• Wide input voltage range allows for versatile applications.
• High output current capability of 1.5A enables powering of various electronic components.
• Low dropout voltage ensures efficient power conversion.
• Quiescent current of only 85µA minimizes power consumption.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short circuit protection safeguards the regulator and connected devices.
• Adjustable soft-start feature allows for controlled startup of the system.

Advantages

• Wide input voltage range makes it suitable for a wide range of applications.
• High output current capability enables powering of demanding loads.
• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Small package size (SOT-223) facilitates space-constrained designs.
• RoHS compliance ensures environmental friendliness.

Disadvantages

• The maximum output current of 1.5A may not be sufficient for certain high-power applications.
• The SOT-223 package may require additional heat dissipation measures in high-power scenarios.

Working Principles

The MIC37150-3.3BR TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB pin) with a reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable (EN) pin controls the regulator's on/off state.

Detailed Application Field Plans

The MIC37150-3.3BR TR can be used in various applications, including but not limited to:

1. Power supplies for microcontrollers and other digital ICs.
2. Battery-powered devices requiring stable voltage levels.
3. Automotive electronics, such as infotainment systems and engine control units.
4. Industrial automation equipment.
5. Communication systems and networking devices.
6. Consumer electronics, including audio/video equipment and portable devices.

Detailed and Complete Alternative Models

1. LM1117-3.3: Similar specifications and features, available in different package options.
2. LT1763-3.3: Low dropout voltage regulator with adjustable output voltage.
3. TPS7A3301: High-performance LDO regulator with ultra-low noise.

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

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