LM2574-3.3YN

Product Overview

The LM2574-3.3YN belongs to the category of voltage regulators and is commonly used in electronic circuits to provide a stable output voltage. Its characteristics include high efficiency, compact package, and wide input voltage range. The LM2574-3.3YN is available in a TO-220 package and is an essential component in various electronic devices. It is typically sold in reels or tubes containing a specific quantity per package.

Specifications

• Input Voltage Range: 4V to 40V
• Output Voltage: 3.3V
• Maximum Output Current: 0.5A
• Package Type: TO-220
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LM2574-3.3YN has a standard pin configuration with input, output, and ground pins, along with additional pins for feedback and compensation.

Functional Features

The LM2574-3.3YN is designed to provide a regulated 3.3V output voltage from a wide range of input voltages. It incorporates overcurrent protection and thermal shutdown features to ensure safe operation under various conditions.

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Overcurrent protection
• Thermal shutdown feature

Disadvantages

• Limited maximum output current

Working Principles

The LM2574-3.3YN operates on the principle of pulse-width modulation (PWM) to regulate the output voltage. It uses an internal oscillator to control the duty cycle of the switching transistor, thereby regulating the output voltage.

Detailed Application Field Plans

The LM2574-3.3YN is widely used in applications such as: - Battery-powered devices - Industrial automation - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to the LM2574-3.3YN include: - LM2937-3.3 - LM1117-3.3 - LM7805

In conclusion, the LM2574-3.3YN is a versatile voltage regulator with a wide range of applications and several alternative models available in the market.

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