LS75-48

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AC/DC converters are used in a wide range of applications, from laptops and cell phones to industrial machinery and robotics. One example of an AC/DC converter is the LS75-48. This device is primarily used for low power AC/DC conversion. It is a substantial component in power supply applications, particularly those that have a wide AC input voltage range. In addition to power supplies, the LS75-48 is also used in many other AC/DC conversion applications such as motor drives, UPS systems, lighting and portable DC/DC applications.

LS75-48 Features

The LS75-48 features an active power factor correction (PFC) stage and offers a wide input voltage range of 80-264VAC. Its power output is rated at 75W (85W peak power) and has a typical efficiency of 90%. The device also provides excellent thermal performance with no need for external heatsinks. It features overload, overvoltage and short circuit protection as well as an enable/disable pin.

LS75-48 Parameter Characteristics

The LS75-48 has a wide input voltage range of 85-450VAC and a high efficiency up to 90%. It has an output voltage range of 3.3-48V and a power output of 75W (85W peak power). It features a wide operating temperature range of -40˚C to +85˚C and has an MTBF of 500,000 hours. The integrated PFC stage has an efficiency up to 0.98 and the device has an output noise margin of 200mVp-p.

LS75-48 Application

The LS75-48 is a highly efficient AC/DC converter that is suitable for a range of applications. It is particularly suited for DC/DC converter applications, motor drives, UPS systems, lighting, and many other AC/DC conversion applications. It can also be used for powering a wide range of consumer electronics, such as laptops, cell phones, and other portable devices. The device has excellent thermal performance, making it ideal for use in fan-less and enclosed designs.

LS75-48 Working Principle

The LS75-48 has an active PFC stage that works to improve power factor and increase energy efficiency. The device takes in the wide input voltage range of 85-450VAC, converts it to a regulated DC voltage, and then steps it down to the desired output voltage. The active PFC module provides improved harmonics and power factor, resulting in more efficient power transfer. The device also utilizes sophisticated protection features to ensure reliable operation and allow for improved safety. Furthermore, the device has excellent thermal performance and can be used in fan-less and enclosed designs.

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