LM2576-5.0WU-TR

Product Overview

Category

The LM2576-5.0WU-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 4.75V to 40V
• Output Voltage: 5.0V
• Output Current: Up to 3A
• Efficiency: Up to 92%
• Switching Frequency: 52 kHz
• Operating Temperature Range: -40°C to +125°C

Package

The LM2576-5.0WU-TR is available in a TO-263-7 package, which provides excellent thermal performance and high power dissipation capability.

Essence

The essence of the LM2576-5.0WU-TR lies in its ability to efficiently convert higher input voltages into a stable 5.0V output voltage, making it suitable for various applications.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of LM2576-5.0WU-TR units. The exact quantity per reel may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 4.75V to 40V
• Output Voltage: 5.0V
• Output Current: Up to 3A
• Dropout Voltage: 1.2V (typical)
• Line Regulation: ±0.5% (typical)
• Load Regulation: ±0.5% (typical)
• Switching Frequency: 52 kHz
• Operating Temperature Range: -40°C to +125°C
• Package: TO-263-7

Detailed Pin Configuration

The LM2576-5.0WU-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 (Switching Node)

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss during voltage conversion.
• Overcurrent protection safeguards the circuit from excessive current flow.
• Thermal shutdown protection prevents damage due to overheating.
• Enable/disable control provides flexibility in system design.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Wide input voltage range
• Compact package size
• Overcurrent and thermal protection
• Enable/disable control

Disadvantages

• Relatively low switching frequency compared to some other models
• Limited output current capacity

Working Principles

The LM2576-5.0WU-TR operates on the principle of pulse width modulation (PWM). It uses an internal oscillator to generate a high-frequency signal, which is then fed into a power switch. This switch controls the duty cycle of the signal, regulating the output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable 5.0V output.

Detailed Application Field Plans

The LM2576-5.0WU-TR finds application in various fields, including: - Power supplies for consumer electronics - Battery charging circuits - Automotive electronics - Industrial automation systems - LED lighting applications

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM2576-5.0WU-TR include: - LM2596-5.0 - LM317T - LT1084CP-5.0 - TPS5430-5.0

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

In conclusion, the LM2576-5.0WU-TR is a voltage regulator that efficiently converts higher input voltages into a stable 5.0V output. With its wide input voltage range, compact package size, and various protection features, it finds application in diverse fields such as consumer electronics, automotive, and industrial systems.