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NCP1248

Part Number	NCP1248
Manufacturer	ON Semiconductor
Description	Fixed Frequency Current Mode Controller
Published	Jan 23, 2016
Detailed Description	NCP1248 Fixed Frequency Current Mode Controller for Flyback Converters The NCP1248 is a new fixed-frequency current-mo...
Datasheet	NCP1248 PDF File

Overview

NCP1248 Fixed Frequency Current Mode Controller for Flyback Converters The NCP1248 is a new fixed-frequency current-mode controller featuring the Dynamic Self-Supply.
This function greatly simplifies http://onsemi.
com 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 detect the application unplug from the AC input SOIC−7 line and triggers the X2 discharge current.
This HV structure allows CASE 751U the brown-out detection as well.
It features a timer-based fault detection that ensures the detection of M...

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