MIC39100-1.8BS

Product Overview

Category

MIC39100-1.8BS belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: TO-263-5 (D2PAK)
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications

The specifications of MIC39100-1.8BS are as follows:

• Output Voltage: 1.8V
• Input Voltage Range: 2.5V to 6.5V
• Dropout Voltage: 500mV at 1A
• Maximum Output Current: 1A
• Line Regulation: 0.04% typical
• Load Regulation: 0.1% typical
• Quiescent Current: 120µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC39100-1.8BS has the following pin configuration:

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

Functional Features

The functional features of MIC39100-1.8BS include:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Fast transient response: It quickly responds to changes in load current, ensuring a stable output voltage during dynamic conditions.
• Overcurrent and thermal protection: The device incorporates protection mechanisms to prevent damage from excessive current or temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - Fast transient response enables stability during load variations. - Overcurrent and thermal protection enhance reliability.

Disadvantages: - Limited output current capacity of 1A may not be suitable for high-power applications. - The TO-263-5 package may require additional space on the PCB compared to smaller packages.

Working Principles

MIC39100-1.8BS operates based on a linear voltage regulation principle. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a stable output voltage even when the input voltage fluctuates.

Detailed Application Field Plans

MIC39100-1.8BS finds application in various electronic systems, including but not limited to:

1. Battery-powered devices: It can regulate the voltage for microcontrollers, sensors, and other low-power components in portable electronics.
2. Automotive electronics: It is suitable for powering control modules, infotainment systems, and other automotive applications requiring stable voltage regulation.
3. Industrial automation: The regulator can be used in PLCs (Programmable Logic Controllers), motor control circuits, and other industrial equipment.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC39100-1.8BS are:

1. LM1117-1.8: A popular low dropout voltage regulator with a fixed output voltage of 1.8V.
2. LT1763-1.8: Another low dropout regulator offering a fixed 1.8V output voltage, known for its low quiescent current.
3. TPS7A1801-SP: A radiation-hardened voltage regulator designed for space applications, providing a fixed 1.8V output.

These alternatives can be considered based on specific requirements and constraints of the application.

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