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NCP1255

Part Number	NCP1255
Manufacturer	ON Semiconductor
Description	Current-Mode PWM Controller
Published	Apr 29, 2017
Detailed Description	NCP1255 Current-Mode PWM Controller for Off-line Power Supplies featuring Peak Power Excursion The NCP1255 is a highly ...
Datasheet	NCP1255 PDF File

Overview

NCP1255 Current-Mode PWM Controller for Off-line Power Supplies featuring Peak Power Excursion The NCP1255 is a highly integrated PWM controller capable of delivering a rugged and high performance offline power supply in a SOIC−8 package.
With a supply range up to 35 V, the controller hosts a jittered 65−kHz switching circuitry operated in peak current mode control.
When the power on the secondary side starts to decrease, the controller automatically folds back its switching frequency down to a minimum level of 26 kHz.
As the power further goes down, the part enters skip cycle while freezing the peak current setpoint.
To help build rugged converters, the controller features several key prot...

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