ON Semiconductor LM2575D2T-3.3R4G Voltage Regulator

The LM2575D2T-3.3R4G is a highly efficient, monolithic integrated circuit voltage regulator designed and produced by ON Semiconductor. This device offers a convenient and robust solution for generating a regulated 3.3V output from a wide range of input voltages, varying from 4.75V to 40V. Its versatility makes it an ideal choice for a plethora of applications, ranging from simple power supplies to complex industrial systems.

The LM2575D2T-3.3R4G is part of the LM2575 series, which is renowned for its easy-to-use and simple design, requiring only a minimal number of external components to function. This switch-mode regulator operates at a fixed frequency of 52kHz, which allows for a smaller-sized inductor and capacitor, resulting in a compact power supply design. Additionally, its thermal shutdown and current limit features ensure safe operation under abnormal operating conditions.

Key features of the LM2575D2T-3.3R4G include:

• 3.3V fixed output voltage
• Output voltage tolerance of ±4% over the full temperature range
• Output current capability of up to 1A
• High efficiency up to 77%, which reduces the need for heat sinking
• 52kHz fixed frequency internal oscillator
• Thermal shutdown and current limit protection
• TO-263 (D2PAK) surface-mount package

This voltage regulator is tailored for a wide array of applications, including but not limited to consumer electronics, office equipment, and industrial hardware. Its robustness is further enhanced by its ability to withstand rugged environmental conditions, making it suitable for use in automotive and other applications prone to high levels of disturbance.

Overall, the LM2575D2T-3.3R4G from ON Semiconductor is a reliable and efficient solution for designers looking to implement a stable power supply in their circuits without the complexity of designing a switch-mode power supply from scratch. Its standardized package, combined with ON Semiconductor's commitment to quality, ensures performance and longevity for any project it is incorporated into.