PFS7529H

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The PFS7529H is a PMIC (Power Management Integrated Circuit) device with integrated PFC (Power Factor Correction). It is specifically designed to meet the requirements of off-line power conversion applications such as white goods, home appliances, industrial equipment, and renewable energy.

The PFS7529H has an integrated power factor correction circuit that is designed to reduce harmonic distortion of the input current of an AC source, as well as providing a constant input voltage and current. In addition, the device also features active power limiting and overvoltage protection to ensure the safety of the device and the system.

The PFS7529H is an optimized PFC controller that is based on a quasi-resonant flyback topology. It uses a fixed frequency, constant on-time control that minimizes switch losses by operating at the distinct switching times. This control technique also helps improve efficiency by maintaining the constant frequency and constant on-time characteristics over a wide range of input voltages throughout the entire load range.

The device includes an onboard 800v MOSFET (Metal–Oxide–Semiconductor Field Effect Transistor), and is designed to drive a 750V external MOSFET device. The PFS7529H is capable of providing a maximum output power of up to 1.5kW. The maximum operating frequency of the device is 300kHz, which helps to keep the external MOSFET switch losses low and in turn improves efficiency.

The PFS7529H provides multiple protection features, including over-voltage protection, over-temperature protection and over-power protection, as well as a soft start feature that helps reduce inrush current during power-up. In addition, the device has a power good pin which can be used to indicate good power supply condition.

The PFS7529H is designed to be used in a wide range of applications, including full-wave rectification, AC-DC conversion, motor control, and general energy harvesting. The device offers high efficiency, low EMI (Electro-Magnetic Interference) and is rated for operation between an input voltage range of 85-290VAC.

In summary, the PFS7529H is a highly integrated PMIC with PFC solutions that enables manufacturers to rapidly and cost effectively design switched mode power supplies that meet the highest efficiency power standards. The device features a high efficiency, high reliability, and a wide input voltage range, making it suitable for a wide range of applications.

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