PFS7528H

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PMIC (Power Management IC) is designed for power management and control of various circuits. PFC (Power Factor Correction) is one of PMICs\' subcategories and is mainly used to compensate or correct power factor, heat loss and harmonic distortion. The PFS7528H is a new type of PFC solution developed by ON Semiconductor, featuring advanced technologies.

The input of PFS7528H includes a direct current (DC) bus voltage, an AC voltage feedback and a current feedback. The DC bus voltage is the main power source of PFC and is used to supply energy to the load. The AC voltage feedback and current feedback are used to detect the system\'s input voltage and current waveform, hence helping to make proper power management decisions. PFS7528H then utilizes the power factor correction algorithm to make sure that the output waveforms have a consistent sinusoidal shape. This ensures that the load power factor meets the standards of EN 61000-3-2 and EN 61000-4-7.

This PFC solution is designed with a high operating frequency up to 500kHz, which allows for a much smaller inductance compared to other traditional solutions. PFS7528H also features an integrated Boost diode bridge to reduce external components and cost. Besides, the Gate Drive topology is also optimized to reduce power loss and system power savings. Additionally, it has several protection features built-in such as Electrostatic Discharge (ESD) protection and Over Temperature Protection.

The PFS7528H is mainly used in Green Power solutions such as LED lighting, wall adapters, and power supply units. It provides high efficiency, low harmonic distortion and superior EMI performance. Additionally, it only requires a minimum of external components, thereby enabling fast setup, reducing manufacturing cost and improving product quality.

In summary, the PFS7528H is a highly cost-effective solution for power factor correction applications. It is designed with high efficiency, low harmonic distortion, superior EMI performance, and built-in protections. Additionally, it can help to save cost and reduce power loss. All these features make it suitable for applications like LED lighting and power supply units.

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