NCP1240 - Fixed Frequency Current-Mode Controller

Product Overview

ON Semiconductor

Datasheet Details

Part number	NCP1240
Manufacturer	ON Semiconductor
File Size	1.80 MB
Description	Fixed Frequency Current-Mode Controller
Datasheet	NCP1240 Datasheet
Additional preview pages of the NCP1240 datasheet.

Product details

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.

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 standby power consumption. Internal frequency jittering, ramp compensation, and a versatile latch input make this controller an excellent candidate for the robust power supply designs. A dedicated Off.

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Published: Jan 23, 2016 |