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首页产品索引NCP1622

NCP1622

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 Power Factor Controller, Enhanced Light Load Efficiency

制造商:ON

中文数据手册

产品信息

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 control voltage exceeds a programmable value Vctrl,FF. When Vcontrol is below this preset level Vctrl,FF, the NCP1622 (versions [B**] and [D**]) linearly decays the frequency down to about 30 kHz untilVcontrolreaches 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, internal circuitry allows near-unity power factor even when the switching frequency is reduced. Housed in a TSOP6 package, the circuit also incorporates the features necessary for robust and compact PFC stages, with few external components.
  • Critical Conduction Mode with frequency foldback
  • Valley Synchronized Frequency Fold-back (VSFF)
  • Works with or without a transformerw/ ZCD winding
  • Dynamic Response Enhancer

在线购买

型号制造商描述购买
NCP1622DCCSNT1G-- 立即购买
NCP1622BECSNT1G-- 立即购买
NCP1622BCCSNT1G-- 立即购买

技术资料

标题类型大小(KB)下载
TSOP-6PDF62 点击下载
Good Practice for the NCP1602 CSZCD Pin Design and PCB LayoutPDF200 点击下载
How to Use Auxiliary Winding Voltage for Biasing the NCP1602 CSZCD PinPDF478 点击下载
Enhanced, High-Efficiency Power Factor ControllerPDF230 点击下载
NCP1622GEVB Bill Of Materials (ROHS Compliant)PDF227 点击下载
NCP1622GEVB Gerber Layout Files (Zip Format)RAR1722 点击下载
NCP1622GEVB SchematicPDF66 点击下载
NCP1622GEVB Test ProcedurePDF294 点击下载

应用案例更多案例

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