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NCP1622 Datasheet - ON Semiconductor

NCP1622-ONSemiconductor.pdf

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Datasheet Details

Part number:

NCP1622

Manufacturer:

ON Semiconductor ↗

File Size:

423.01 KB

Description:

High-efficiency power factor controller.

NCP1622, High-Efficiency Power Factor Controller

Pin Number Name Function 1 VCTRL The error amplifier output is available on this pin.

The network connected between this pin and ground adjusts the regulation loop bandwidth that is typically set below 20 Hz to

DATA SHEET www.onsemi.com Enhanced, High-Efficiency Power Factor Controller NCP1622 TSOP 6 SN SUFFIX 1 CASE 318G 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 value Vctrl,FF.

When Vcontrol is below this preset level Vctrl,FF, the NCP1

NCP1622 Features

* necessary for robust and compact PFC stages, with few external components. MARKING DIAGRAM XXXAYWG G 1 XXX A Y W G = Specific Device Code = Assembly Location = Year = Work Week = Pb

* Free Package (Note: Microdot may be in either location) PIN CONNECTIONS General Features

* Near

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