MIC5239-1.5YS-TR

Product Overview

Category

MIC5239-1.5YS-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage Output: 1.5V
• Package Type: SOT-223
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

The specifications of MIC5239-1.5YS-TR are as follows:

• Input Voltage Range: 2.3V to 20V
• Dropout Voltage: 200mV (typical)
• Output Current: 150mA
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The pin configuration of MIC5239-1.5YS-TR is as follows:

```

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| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

Functional Features

• Low dropout voltage: The MIC5239-1.5YS-TR has a low dropout voltage of only 200mV, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a quiescent current of only 75µA, this voltage regulator minimizes power consumption and extends battery life in portable devices.
• Excellent line and load regulation: The MIC5239-1.5YS-TR provides precise voltage regulation with minimal variation under different input voltages and load conditions.
• Thermal shutdown protection: This voltage regulator includes built-in thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation for precise voltage control.
• Thermal shutdown protection prevents damage from overheating.

Disadvantages

• Limited output current of 150mA may not be suitable for high-power applications.
• SOT-223 package may require additional space on the PCB compared to smaller packages.

Working Principles

The MIC5239-1.5YS-TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by utilizing a low resistance pass element.

Detailed Application Field Plans

The MIC5239-1.5YS-TR can be used in various electronic applications, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication systems - Microcontroller-based projects - Automotive electronics

Alternative Models

Here are some alternative models that can be considered as alternatives to MIC5239-1.5YS-TR: - LM1117-1.5 - LT1763-1.5 - MCP1701-1.5

These models offer similar voltage regulation capabilities and can be used as drop-in replacements in many applications.

In conclusion, the MIC5239-1.5YS-TR is a low dropout voltage regulator with excellent line and load regulation. Its low quiescent current and thermal shutdown protection make it suitable for various electronic applications. However, its limited output current and larger package size should be taken into consideration when selecting an alternative model.