MIC5239-1.8YS

Product Overview

Category

MIC5239-1.8YS belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

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

Package

MIC5239-1.8YS is available in a small outline SOT-23 package.

Essence

The essence of MIC5239-1.8YS lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV (typical)
• Output Current: Up to 150mA
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC5239-1.8YS features a standard SOT-23 package with three pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output accuracy guarantees precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit safeguards the regulator and connected devices from excessive current flow.

Advantages and Disadvantages

Advantages

• Compact size and easy integration into various circuit designs.
• Wide input voltage range allows for flexibility in different applications.
• Excellent output accuracy ensures reliable performance.
• Low quiescent current prolongs battery life in portable devices.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Dropout voltage can cause a slight voltage drop across the regulator.

Working Principles

MIC5239-1.8YS 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 internal feedback mechanism compares the output voltage with a reference voltage, continuously adjusting the pass transistor to maintain a stable output voltage.

Detailed Application Field Plans

MIC5239-1.8YS finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5239-1.8YS include: - LM1117-1.8 - LT1763-1.8 - MCP1701-1.8

These alternatives provide comparable voltage regulation capabilities and can be considered based on specific application requirements.

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