LM2575-5.0YWM

Product Overview

Category

The LM2575-5.0YWM belongs to the category of voltage regulators.

Use

It is commonly used to regulate and control the output voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.75V to 40V
• Output Voltage: 5.0V
• Output Current: Up to 1A
• Efficiency: Up to 92%
• Package Type: TO-263-7 (D2PAK)
• Essence: Step-down switching regulator

Packaging/Quantity

The LM2575-5.0YWM is typically available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4.75V to 40V
• Output Voltage: 5.0V
• Output Current: Up to 1A
• Switching Frequency: 52 kHz
• Operating Temperature Range: -40°C to +125°C
• Dropout Voltage: 1.2V (typical)

Detailed Pin Configuration

The LM2575-5.0YWM has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. VOUT: Output voltage pin
5. ON/OFF: Enable pin
6. NC: No connection
7. NC: No connection

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss.
• Built-in thermal shutdown protection prevents overheating.
• Short-circuit protection safeguards the circuit from damage.
• Adjustable output voltage using external resistors.

Advantages

• Compact package size enables space-saving designs.
• Wide input voltage range makes it suitable for various applications.
• High efficiency reduces power dissipation and extends battery life.
• Built-in protection features enhance reliability and safety.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Requires external components for voltage adjustment and filtering.

Working Principles

The LM2575-5.0YWM is a step-down switching regulator that utilizes pulse-width modulation (PWM) to regulate the output voltage. It operates by rapidly switching the input voltage on and off, and then filtering it to obtain the desired output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the switching signal to maintain a stable output.

Detailed Application Field Plans

The LM2575-5.0YWM can be used in various applications, including:

1. Power supplies for microcontrollers and other digital circuits.
2. Battery-powered devices requiring a regulated 5V supply.
3. Automotive electronics, such as car audio systems and navigation devices.
4. Industrial control systems and automation equipment.
5. LED lighting applications.

Detailed and Complete Alternative Models

Some alternative models to the LM2575-5.0YWM include:

1. LM2596-5.0: Similar functionality with adjustable output voltage.
2. LM2576-5.0: Higher output current capability.
3. LM317: Linear voltage regulator with adjustable output voltage.

In conclusion, the LM2575-5.0YWM is a voltage regulator with a wide input voltage range, compact package size, and high efficiency. It is commonly used in various electronic applications to provide a stable 5V output. While it has limitations in terms of output current and requires external components for voltage adjustment, its advantages include built-in protection features and versatility in different application fields.