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NCP1234

Fixed Frequency Current Mode Controller

NCP1234 Features

* a timer

* based fault detection that ensures the detection of overload independently of an auxiliary winding, and an adjustable compensation to help keep the maximum power independent of the input voltage. Finally, due to a careful design, the precision of critical parameters is well controlle

NCP1234 General Description

Pin No Pin Name Function 1 LATCH Latch

*Off Input 2 FB 3 CS Feedback 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 source allows the direct connec.

NCP1234 Datasheet (227.25 KB)

Preview of NCP1234 PDF

Datasheet Details

Part number:

NCP1234

Manufacturer:

ON Semiconductor ↗

File Size:

227.25 KB

Description:

Fixed frequency current mode controller.
NCP1234 Fixed Frequency Current Mode Controller for Flyback Converters The NCP1234 is a new fixed

*frequency current

*mode controller .

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NCP1234 Fixed Frequency Current Mode Controller ON Semiconductor

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