LM2575YWM-TR

Product Overview

Category

LM2575YWM-TR belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• LM2575YWM-TR is a highly efficient step-down (buck) voltage regulator.
• It can handle input voltages ranging from 4V to 40V.
• The output voltage can be adjusted from 1.23V to 37V.
• It has a maximum output current of 1A.
• The device operates at a switching frequency of 52 kHz.
• LM2575YWM-TR offers excellent line and load regulation.
• It has built-in thermal shutdown and current limit protection features.

Package

LM2575YWM-TR comes in a TO-263-7 package, also known as D²PAK/TO-263.

Essence

The essence of LM2575YWM-TR lies in its ability to efficiently convert higher input voltages to lower output voltages, making it suitable for various applications requiring stable power supply.

Packaging/Quantity

LM2575YWM-TR is typically available in reels containing 2500 units.

Specifications

• Input Voltage Range: 4V to 40V
• Output Voltage Range: 1.23V to 37V
• Maximum Output Current: 1A
• Switching Frequency: 52 kHz
• Package Type: TO-263-7 (D²PAK/TO-263)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LM2575YWM-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. VIN (Input Voltage)

Functional Features

• High efficiency voltage regulation
• Wide input voltage range
• Adjustable output voltage
• Excellent line and load regulation
• Built-in thermal shutdown and current limit protection

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power dissipation.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility.
• Excellent line and load regulation ensures stable performance.
• Built-in protection features enhance reliability.

Disadvantages

• The device operates at a fixed switching frequency, which may not be suitable for all applications.
• The TO-263-7 package may require additional space on the PCB compared to smaller packages.

Working Principles

LM2575YWM-TR utilizes a step-down switching regulator topology to convert higher input voltages to lower output voltages. It employs pulse-width modulation (PWM) to regulate the output voltage. The internal control circuitry adjusts the duty cycle of the PWM signal based on the feedback received from the FB pin, ensuring the desired output voltage is maintained.

Detailed Application Field Plans

LM2575YWM-TR finds applications in various fields, including but not limited to: - Power supply modules - Battery chargers - Industrial automation systems - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LM2575YWM-TR are: - LM2596S-ADJ - LM317T - LM7805 - LT1084CP-5

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

In conclusion, LM2575YWM-TR is a highly efficient voltage regulator capable of converting higher input voltages to lower output voltages. Its wide input voltage range, adjustable output voltage, and built-in protection features make it suitable for various applications. However, its fixed switching frequency and larger package size may be limiting factors in certain scenarios. Alternative models such as LM2596S-ADJ, LM317T, LM7805, and LT1084CP-5 can be considered based on specific needs.