FPS100024 Power Supplies - External/Internal (Off-Board)

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AC/DC converters are electrical devices that convert alternating current (AC) into direct current (DC). The FPS100024 is an example of an AC/DC converter. It has a power range of 24-to-1000 Watts and employs a universal DC input voltage, ranging from 9-to-72V. This device has a high efficiency and is designed to operate in high temperature environments. With its high reliability, it is used in a variety of applications, including battery charging, LED lighting, renewable energy systems, motor drives, telecom, and industrial.

The FPS100024 is a full bridge PFC boost topology, designed for design flexibility and improved efficiency. The device utilizes a pair of low-side and high-side FETs, boosting the voltage of the input DC power supply and converting it to the desired output DC voltage. It employs discontinuous conduction mode (DCM) to maintain a high efficiency over a wide range of line and load conditions. The device features a wide range of operating modes, with variable output voltage and frequency, which makes it suitable for a wide range of applications.

In the FPS100024, the AC input is rectified into a DC voltage by diodes and capacitors. This input voltage is then filtered and converted to the desired output voltage by the full bridge converter. The primary side of the converter is composed of four MOSFETs arranged in a bridge configuration, along with a gate driver controlling the switching of the FETs based on the control voltage. The output voltage is regulated by a Pulse Width Modulation (PWM) control circuit which is used to turn the switches on and off in a cyclical manner to regulate the output voltage.

The FPS100024 also utilizes a soft start circuit, to limit the inrush current during start-up. This circuit is also used to obtain a regulated output voltage before full load is applied. The device also has built-in fault detection circuits, which are used to detect conditions such as over voltage/ current, over temperature and short circuit protection, providing better system accuracy and safety. In addition, the device includes EMI shielding along with remote on/off control, providing improved system reliability and flexibility.

In summary, the FPS100024 is a high efficiency AC/DC converter designed for a wide range of applications. With its wide range of operating modes, high efficiency, and high temperature operation, it is suitable for a variety of applications and is ideal for use in industrial, telecom, motor drive and renewable energy systems. Its wide input voltage range, wide output voltage range, and fault detection circuits make it an ideal choice for power efficient and reliable systems.

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