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NCP1611 Datasheet - ON Semiconductor

NCP1611-ONSemiconductor.pdf

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Datasheet Details

Part number:

NCP1611

Manufacturer:

ON Semiconductor ↗

File Size:

807.55 KB

Description:

High-efficiency power factor controller.

NCP1611, High-Efficiency Power Factor Controller

NCP1611 Enhanced, High-Efficiency Power Factor Controller The NCP1611 is designed to drive PFC boost stages based on an innovative Current Controlled Frequency Fold back (CCFF) method.

In this mode, the circuit classically operates in Critical conduction Mode (CrM) when the inductor current exceeds a www.onsemi.com programmable value.

When the current is below this preset level, the NCP1611 linearly decays the frequency down to about 20 kHz when MARKING the current is null.

CCFF

NCP1611 Features

* necessary for robust and compact PFC stages, with few external components. Features

* Near

* Unity Power Factor

* Critical Conduction Mode (CrM)

* Current Controlled Frequency Fold

* back (CCFF): Low Frequency 8 1 SOIC

* 8 CASE 751 SUFFIX D 8 NCP1611x ALY

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