1300620048

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The 1300620048 is an integrated PFC control IC that is specially designed for the active PFC power supplies. This IC is designed to provide excellent performance and simple, straightforward solutions to designing Active Power Factor Correction (PFC) Power supplies. It is a versatile, compact, and cost effective solution for modern power supplies.

Application Field

The 1300620048 is used mainly in Active Power Factor Correction (PFC) Power supplies. It is ideal for power supplies supporting a wide range of output power levels, from 4W to 90W in both LED lighting and adapter applications. It is well suited for applications that require both high efficiency and high power factor performance. The 1300620048 is also well-suited for applications with stringent core power requirements while still providing high power density and small size.

Working Principle

The 1300620048 integrates a complete PFC Control Circuit. This includes an Automatic Current Reduction (ACR) circuit, a Reference Generator (RG) circuit, and a DC-to-DC PFC converter control circuit. The ACR circuit recognizes when the output voltage has reached its minimum and reduces the current in the primary side of the PFC. The RG circuit provides a reference signal to control the power transfer from the input to the output of the PFC, while the DC-to-DC PFC converter control circuit controls the output of the PFC to reach the desired output voltage. In addition, the 1300620048 includes an over-current protection (OCP) circuit to protect the power circuit from being damaged by overloading.

The 1300620048 also features a unique tracking algorithm which reduces current fluctuations during power supply switching. This algorithm ensures that the PFC is able to provide higher power efficiency and higher power factor performance. This algorithm also improves the EMI performance of the PFC, helping it to meet the stringent requirements for efficient operation in an EMI environment.

Conclusion

The 1300620048 is a cost effective, integrated PFC control IC that is specifically designed for Active Power Factor Correction Power supplies. It provides excellent performance and simplified control, while providing superior power factor and efficiency performance. The 1300620048 also includes a unique tracking algorithm to ensure maximum efficiency and low EMI operation. As such, this IC is an ideal solution for modern power supplies supporting a wide range of output power levels.

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