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NCP1622 - Enhanced, High-Efficiency Power Factor Controller

NCP1622 - Enhanced, High-Efficiency Power Factor Controller

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Enhanced, High-Efficiency Power Factor Controller NCP1622 The 6−pin PFC controller NCP1622 is designed to drive PFC boost stages. It is based on an innovative Valley Synchronized Frequency Fold−back (VSFF) method. In this mode, the circuit classically operates in Critical conduction Mode (CrM) when Vcontrol voltage exceeds a programmable ...

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