MIC39501-1.8BT

Product Overview

Category

MIC39501-1.8BT belongs to the category of voltage regulators.

Use

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

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Wide input voltage range
• Thermal shutdown protection
• Current limit protection

Package

MIC39501-1.8BT is available in a compact TO-220 package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

Each package of MIC39501-1.8BT contains one voltage regulator.

Specifications

• Input Voltage Range: 2.5V - 16V
• Output Voltage: 1.8V
• Dropout Voltage: 300mV (typical)
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC39501-1.8BT has three pins:

1. Vin (Input Voltage): Connects to the power supply input.
2. Vout (Output Voltage): Provides the regulated output voltage.
3. GND (Ground): Connects to the ground reference.

Functional Features

• High Precision Regulation: The MIC39501-1.8BT ensures precise voltage regulation, minimizing fluctuations and maintaining stability.
• Low Dropout Voltage: With a low dropout voltage, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The device can handle a wide range of input voltages, making it suitable for various applications.
• Thermal Shutdown Protection: In case of excessive heat, the regulator automatically shuts down to prevent damage.
• Current Limit Protection: The MIC39501-1.8BT incorporates current limit protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable performance.
• Low dropout voltage allows efficient operation even with low input voltages.
• Wide input voltage range makes it versatile for different applications.
• Thermal shutdown and current limit protection enhance reliability.

Disadvantages

• Limited output current capacity of 1A may not be sufficient for high-power applications.
• Requires external components for proper operation.

Working Principles

MIC39501-1.8BT operates based on the principle of linear voltage regulation. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, regardless of changes in the input voltage or load conditions. This is achieved by controlling the pass transistor, which regulates the voltage across the load.

Detailed Application Field Plans

The MIC39501-1.8BT can be used in various electronic devices and systems that require a stable and regulated 1.8V power supply. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Communication equipment
4. Portable electronic devices
5. Battery-powered devices
6. Automotive electronics
7. Industrial control systems

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and features.
2. LT1761-1.8: Another reliable option offering precise voltage regulation.
3. TPS79618: Provides a fixed 1.8V output with low dropout voltage.

These alternative models offer comparable performance and can be considered as substitutes for the MIC39501-1.8BT in various applications.

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