MIC39150-1.65WT

Product Overview

Category

The MIC39150-1.65WT belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Low dropout voltage: The MIC39150-1.65WT has a low dropout voltage, making it suitable for applications where a small voltage difference between input and output is required.
• High accuracy: It provides precise voltage regulation, ensuring stable and reliable performance.
• Thermal shutdown protection: The regulator includes thermal shutdown protection, which prevents damage due to excessive heat.
• Current limit protection: It incorporates current limit protection to safeguard against overcurrent conditions.

Package

The MIC39150-1.65WT comes in a compact TO-220 package, which facilitates easy installation and heat dissipation.

Essence

The essence of this product lies in its ability to regulate voltage with high accuracy and efficiency, while offering protection against thermal and current-related issues.

Packaging/Quantity

The product is typically packaged in reels or tubes, containing a specific quantity per package. Please refer to the manufacturer's specifications for detailed packaging information.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.65V
• Dropout Voltage: 120mV (typical)
• Maximum Output Current: 1.5A
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC39150-1.65WT features a standard three-pin configuration:

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

Functional Features

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• High accuracy: It provides precise voltage regulation, ensuring consistent performance across various operating conditions.
• Thermal shutdown protection: The regulator includes a thermal shutdown feature that automatically turns off the device if the temperature exceeds a safe threshold.
• Current limit protection: It incorporates current limit protection to prevent excessive current flow, protecting both the regulator and the connected circuitry.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient power conversion.
• High accuracy ensures reliable voltage regulation.
• Thermal shutdown protection prevents damage due to overheating.
• Current limit protection safeguards against overcurrent conditions.

Disadvantages

• Limited output current capacity of 1.5A may not be suitable for high-power applications.
• Requires external components for proper operation.

Working Principles

The MIC39150-1.65WT 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. By maintaining a constant voltage drop across the pass transistor, it ensures a stable output voltage regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The MIC39150-1.65WT finds application in various electronic systems requiring precise voltage regulation. Some potential application fields include:

1. Battery-powered devices: It can be used in portable electronics, such as smartphones, tablets, and wearable devices, to ensure stable voltage supply from the battery.
2. Automotive electronics: The regulator can be employed in automotive systems, such as infotainment systems, navigation units, and engine control modules, to maintain consistent voltage levels.
3. Industrial automation: It can be utilized in industrial control systems, PLCs (Programmable Logic Controllers), and motor drives to provide reliable voltage regulation for critical components.
4. Communication equipment: The regulator can be integrated into networking devices, routers, and switches to ensure stable power supply for uninterrupted communication.

Detailed and Complete Alternative Models

1. LM1117-1.65: A popular alternative with similar specifications and performance characteristics.
2. LT1763-1.65: Another alternative offering low dropout voltage and high accuracy.
3. TPS7A4901-1.65: An alternative model with additional features like adjustable output voltage and higher output current capacity.

Please note that the above alternatives are provided as examples, and it is recommended to refer to the manufacturer's datasheets for a comprehensive list of alternative models.

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