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NCP1602

Part Number	NCP1602
Manufacturer	ON Semiconductor
Description	High-Efficiency Power Factor Controller
Published	Jan 23, 2016
Detailed Description	NCP1602 Enhanced, High-Efficiency Power Factor Controller The 6−pin PFC controller NCP1602 is designed to drive PFC bo...
Datasheet	NCP1602 PDF File

Overview

NCP1602 Enhanced, High-Efficiency Power Factor Controller The 6−pin PFC controller NCP1602 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 value Vctrl,FF.
When Vcontrol is below this preset level Vctrl,FF, the NCP1602 (versions [B**] and [D**]) linearly decays the frequency down to about 30 kHz until Vcontrol reaches the SKIP mode threshold.
VSFF maximizes the efficiency at both nominal and light load.
In particular, the stand−by losses are reduced to a minimum.
Like in FCCrM controllers, int...

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