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NCP1240

Fixed Frequency Current-Mode Controller

NCP1240 Features

* a timer

* based fault detection that ensures the detection of overload and an adjustable compensation to help keep the maximum power independent of the input voltage. Due to frequency foldback, the controller exhibits excellent efficiency in light load condition while still achieving very low

NCP1240 General Description

Pin No Pin Name Function 1 LATCH Latch

*Off Input 2 FB Feedback + Shutdown pin 3 CS Current Sense 4 GND 5 DRV 6 VCC

* Drive output VCC input 8 HV High

*voltage pin Pin Description Pull the pin up or down to latch

*off the controller. An internal current sourc.

NCP1240 Datasheet (1.80 MB)

Preview of NCP1240 PDF

Datasheet Details

Part number:

NCP1240

Manufacturer:

ON Semiconductor ↗

File Size:

1.80 MB

Description:

Fixed frequency current-mode controller.
NCP1240 Fixed Frequency Current Mode Controller for Flyback Converters The NCP1240 is a new fixed

*frequency current

*mode controller .

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TAGS

NCP1240 Fixed Frequency Current-Mode Controller ON Semiconductor

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