MIC5271BM5-TR

Product Overview

Category

MIC5271BM5-TR belongs to the category of voltage regulators.

Use

This product is used to regulate voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Low quiescent current
• High output accuracy
• Thermal shutdown protection
• Short-circuit current limit

Package

MIC5271BM5-TR comes in a miniature SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage for various electronic applications.

Packaging/Quantity

MIC5271BM5-TR is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 16V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 150mV at 150mA
• Quiescent Current: 40µA (typical)
• Output Accuracy: ±2%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC5271BM5-TR has five pins arranged as follows:

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Pin 1: Enable (EN) - Active high enable pin for turning the regulator on/off. Pin 2: Ground (GND) - Connection to the ground reference. Pin 3: Feedback (FB) - Feedback pin for setting the desired output voltage. Pin 4: Output (OUT) - Regulated output voltage. Pin 5: Input (IN) - Input voltage supply.

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Low quiescent current minimizes power consumption during standby or idle conditions.
• High output accuracy provides precise voltage regulation for sensitive applications.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the regulator and connected components from excessive current.

Advantages and Disadvantages

Advantages

• Compact SOT-23-5 package allows for space-saving integration in small electronic devices.
• Wide input voltage range enables compatibility with various power sources.
• Excellent load and line regulation characteristics ensure stable performance under varying conditions.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Higher cost compared to some other voltage regulators in the market.

Working Principles

MIC5271BM5-TR 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 feedback mechanism compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

MIC5271BM5-TR finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5271BM5-TR include: - LM1117-3.3: A popular 3.3V voltage regulator with similar specifications. - LT1763: A high-performance low dropout voltage regulator with adjustable output voltage. - MCP1700: Low quiescent current LDO regulator suitable for battery-powered applications.

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

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