LM2575-3.3YWM

Product Overview

Category

LM2575-3.3YWM belongs to the category of voltage regulators.

Use

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

Characteristics

• LM2575-3.3YWM is a high-performance voltage regulator with a fixed output voltage of 3.3V.
• It operates over a wide input voltage range, making it suitable for various applications.
• The device has a low dropout voltage, ensuring efficient power conversion.
• LM2575-3.3YWM offers excellent line and load regulation, providing stable output voltage under different conditions.

Package

The LM2575-3.3YWM comes in a compact TO-263 package, which allows for easy integration into circuit designs.

Essence

The essence of LM2575-3.3YWM lies in its ability to provide a regulated output voltage of 3.3V, ensuring reliable operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.75V to 40V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 1.2V (max)
• Line Regulation: 0.5% (typ)
• Load Regulation: 0.5% (typ)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM2575-3.3YWM has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. FB (Feedback)
4. VOUT (Output Voltage)

Functional Features

• Wide input voltage range allows for versatile application scenarios.
• High output current capability enables the use of LM2575-3.3YWM in various power-hungry devices.
• Excellent line and load regulation ensure stable output voltage under different operating conditions.
• Thermal shutdown and current limit protection features enhance device reliability and safety.

Advantages

• Fixed output voltage eliminates the need for external voltage regulation components.
• Wide input voltage range provides flexibility in system design.
• Compact package allows for space-efficient integration into circuit layouts.
• Efficient power conversion minimizes energy loss and heat generation.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• The fixed output voltage may not meet the requirements of certain specialized circuits.

Working Principles

LM2575-3.3YWM operates as a step-down switching regulator. It uses a pulse-width modulation (PWM) control scheme to regulate the output voltage. The internal feedback mechanism compares the output voltage with a reference voltage, adjusting the duty cycle of the PWM signal to maintain a stable 3.3V output.

Detailed Application Field Plans

The LM2575-3.3YWM finds applications in various fields, including:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and portable audio players.
2. Industrial automation: Used in control systems, sensors, and actuators that require stable power sources.
3. Automotive electronics: Suitable for powering automotive infotainment systems, lighting modules, and other electronic components.
4. Telecommunications: Enables reliable power supply for networking equipment, routers, and communication devices.
5. Home appliances: Used in power management circuits of household appliances like smart TVs, set-top boxes, and gaming consoles.

Detailed and Complete Alternative Models

1. LM2576-3.3WU: Similar to LM2575-3.3YWM but comes in a TO-220 package.
2. LM317T: Adjustable voltage regulator with a wide input voltage range and high output current capability.
3. LM1117-3.3: Fixed 3.3V voltage regulator with low dropout voltage and thermal shutdown protection.

In conclusion, the LM2575-3.3YWM is a high-performance voltage regulator that provides a fixed 3.3V output voltage. Its wide input voltage range, compact package, and excellent regulation characteristics make it suitable for various applications in different fields. However, its limited output current and fixed voltage may not be ideal for certain high-power or specialized circuits. Alternative models such as LM2576-3.3WU, LM317T, and LM1117-3.3 offer different features and specifications to cater to specific requirements.