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NCP12400

Part Number	NCP12400
Manufacturer	ON Semiconductor
Description	Fixed Frequency Current-Mode Controller
Published	Sep 8, 2023
Detailed Description	DATA SHEET www.onsemi.com Fixed Frequency Current Mode Controller for Flyback Converters NCP12400 The NCP12400 is a new...
Datasheet	NCP12400 PDF File

Overview

DATA SHEET www.
onsemi.
com Fixed Frequency Current Mode Controller for Flyback Converters NCP12400 The NCP12400 is a new fixed−frequency current−mode controller featuring the Dynamic Self−Supply.
This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal startup current source to supply the controller during start−up, transients, latch, stand−by etc.
This device contains a special HV detector which detects the application unplug from the ac input line and triggers the X2 discharge current.
This HV structure allows the brown−out detection as well.
It features a timer−based fault detection that ensures the detection of overload and an a...

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