The LM2575SX-3.3 is a highly efficient, monolithic integrated circuit voltage regulator designed by Texas Instruments for the purpose of stepping down voltage levels. This regulator is part of the Simple Switcher® series, which is known for its ease of use and robust performance. The LM2575SX-3.3 is capable of delivering 3.3 volts output voltage with a maximum output current of 1 ampere, making it a versatile choice for a wide range of applications.

Key Features

• Output Voltage: Fixed 3.3V
• Output Current: Up to 1A
• Input Voltage Range: 4V to 40V
• Efficiency: Up to 77% at 1A load
• Operating Frequency: 52kHz fixed frequency internal oscillator
• Packaging: TO-263, which is suitable for surface-mount technology (SMT)
• Thermal Shutdown and Current Limit Protection: Enhances the safety and longevity of the device

Applications

The LM2575SX-3.3 is well-suited for a variety of electronic applications where a stable and efficient power supply is required. These include, but are not limited to:

• Consumer Electronics
• Telecommunications
• Industrial Controls
• PC Peripherals
• Step-Down Modules for Embedded Systems

Quality and Reliability

With Texas Instruments' commitment to quality, the LM2575SX-3.3 is designed to meet the stringent requirements of modern electronic devices. It features built-in protection mechanisms such as thermal shutdown and current limit to prevent damage from overheating and overcurrent conditions. Its robust design ensures reliable operation even in challenging environments.

Design Support

Texas Instruments provides extensive design support for the LM2575SX-3.3, including application notes, reference designs, and simulation tools to assist engineers in integrating this regulator into their projects with minimal effort and maximum efficiency.