LM2575BWM-TR

Product Overview

Category

The LM2575BWM-TR belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.75V to 40V
• Output Voltage Range: 1.23V to 37V
• Output Current: Up to 1A
• Efficiency: Up to 92%
• Switching Frequency: 52 kHz
• Operating Temperature Range: -40°C to +125°C

Package

The LM2575BWM-TR comes in a TO-263-7 package.

Essence

The essence of LM2575BWM-TR lies in its ability to efficiently regulate voltage in various electronic applications.

Packaging/Quantity

The LM2575BWM-TR is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

The LM2575BWM-TR has the following specifications:

• Input Voltage Range: 4.75V to 40V
• Output Voltage Range: 1.23V to 37V
• Output Current: Up to 1A
• Switching Frequency: 52 kHz
• Efficiency: Up to 92%
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263-7

Detailed Pin Configuration

The LM2575BWM-TR has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. ON/OFF (Enable/Disable)
6. NC (No Connection)
7. SW (Switch)

Functional Features

The LM2575BWM-TR offers the following functional features:

• Wide input voltage range for versatile applications.
• High efficiency, reducing power dissipation and improving overall system performance.
• Adjustable output voltage to meet specific requirements.
• Overcurrent protection to safeguard the circuit from excessive current.
• Thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• High efficiency helps conserve energy and reduce heat dissipation.
• Adjustable output voltage provides customization options.
• Built-in protection features enhance reliability and safety.

Disadvantages

• Limited output current capacity (up to 1A).
• Requires external components for proper operation.
• Switching frequency may introduce noise in sensitive applications.

Working Principles

The LM2575BWM-TR is a step-down switching voltage regulator. It operates by converting a higher input voltage to a lower output voltage using a switching transistor and an inductor. The switching action allows for efficient voltage conversion while minimizing power loss. The feedback mechanism ensures that the output voltage remains stable within the desired range.

Detailed Application Field Plans

The LM2575BWM-TR finds applications in various fields, including:

1. Power supply circuits for electronic devices.
2. Battery charging circuits.
3. Automotive electronics.
4. Industrial control systems.
5. LED lighting applications.
6. Telecommunications equipment.

Detailed and Complete Alternative Models

Some alternative models to LM2575BWM-TR include:

1. LM2596S-ADJ
2. LM317T
3. LM7805
4. LT1083CP
5. TPS5430

These models offer similar functionality and can be used as alternatives depending on specific requirements.

In conclusion, the LM2575BWM-TR is a voltage regulator with a wide input voltage range, adjustable output voltage, and high efficiency. It is commonly used in various electronic applications and offers several advantages such as flexibility, energy conservation, and built-in protection features. However, it has limitations in terms of output current capacity and external component requirements. The LM2575BWM-TR operates on the principle of step-down switching voltage regulation and finds applications in power supply circuits, battery charging, automotive electronics, and more. Alternative models such as LM2596S-ADJ, LM317T, and LM7805 can be considered based on specific needs.