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NCP1615GEVB: High Voltage PFC Controller with Current Controlled Frequency Foldback Evaluation Board


The NCP1615C is a high voltage PFC controller designed to drive PFC boost stages based on an innovative Current Controlled Frequency Foldback (CCFF) method. In this mode, the circuit classically operates in critical conduction mode (CrM) when the inductor current exceeds a programmable value. When the current is below this preset level, the NCP1615C linearly decays the frequency down to a minimum of about 26 kHz when the input current is zero. CCFF maximizes the efficiency at both nominal and light load. In particular, the standby losses are reduced to a minimum. An innovative circuitry allows near−unity power factor even when the switching frequency is reduced.

The integrated high voltage startup circuit eliminates the need for external startup components and consumes negligible power during normal operation. Housed in a SOIC-16 package, the NCP1615C also incorporates the features necessary for robust and compact PFC stages, with few external components.
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製品 状態 Compliance 簡単な説明 使用パーツ アクション
NCP1615GEVB Active
Pb-free
High Voltage PFC Controller with Current Controlled Frequency Foldback Evaluation Board NCP1615CDR2G
技術文書
タイプ ドキュメント・タイトル ドキュメント ID/サイズ 修正
Eval Board: BOM NCP1615GEVB Bill of Materials NCP1615GEVB_BOM_ROHS - 55 KB  1 
Eval Board: Gerber NCP1615GEVB Gerber Layout Files (Zip Format) NCP1615GEVB_GERBER - 84 KB  0 
Eval Board: Schematic NCP1615GEVB Schematic NCP1615GEVB_SCHEMATIC - 113 KB  1 
Eval Board: Test Procedure NCP1615GEVB Test Procedure NCP1615GEVB_TEST_PROCEDURE - 325 KB  0 
Video Off-line Power Supply Solutions with the NCP1615GEVB Evaluation Board TND6098/D  1 
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Off-line Power Supply Solutions with the NCP1615GEVB Evaluation Board
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