Part Number
|
NCP1246 |
Manufacturer
|
ON Semiconductor |
Description
|
Fixed Frequency Controller |
Published
|
Oct 26, 2013 |
Detailed Description
|
NCP1246 Product Preview Fixed Frequency Current Mode Controller for Flyback Converters
The NCP1246 is a new fixedïfreque...
|
Datasheet
|
NCP1246
|
Overview
NCP1246 Product Preview Fixed Frequency Current Mode Controller for Flyback Converters
The NCP1246 is a new fixedïfrequency currentïmode controller featuring the Dynamic SelfïSupply.
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 startïup, transients, latch, standïby etc.
This device contains a special HV detector which detect the application unplug from the AC input line and triggers the X2 discharge current.
This HV structure allows the brownïout detection as well.
It features a timerïbased fault detection that ensures the detection of overload and an adjustable comp...
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