MIC39151-1.8BT

Product Overview

Category

MIC39151-1.8BT belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: TO-220
• 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 MIC39151-1.8BT are as follows:

• Output Voltage: 1.8V
• Dropout Voltage: 120mV at 150mA
• Input Voltage Range: 2.5V to 16V
• Maximum Output Current: 500mA
• Line Regulation: 0.04% typical
• Load Regulation: 0.2% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC39151-1.8BT has the following pin configuration:

1. GND (Ground)
2. VIN (Input Voltage)
3. VOUT (Output Voltage)

Functional Features

The functional features of MIC39151-1.8BT include:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: It consumes minimal current when there is no load, thus conserving power.
• Overcurrent and thermal protection: The device includes built-in protection mechanisms to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - Wide input voltage range allows flexibility in various applications. - Compact TO-220 package facilitates easy integration into circuit designs.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Higher quiescent current compared to some other voltage regulators.

Working Principles

MIC39151-1.8BT operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

MIC39151-1.8BT finds applications in various fields, including but not limited to:

1. Battery-powered devices: It can be used to regulate voltage in portable electronics such as smartphones, tablets, and portable gaming consoles.
2. Automotive electronics: The regulator can be employed in automotive applications like infotainment systems, dashboard displays, and lighting control circuits.
3. Industrial automation: It is suitable for voltage regulation in industrial control systems, motor drives, and sensor interfaces.
4. Communication equipment: The device can be utilized in routers, switches, and network infrastructure equipment to ensure stable voltage supply.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC39151-1.8BT are:

1. LM1117-1.8 (Texas Instruments)
2. LT1761-1.8 (Analog Devices)
3. NCP1117-1.8 (ON Semiconductor)
4. LP2985-1.8 (Texas Instruments)

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

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