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KA3842A

Part Number	KA3842A
Manufacturer	Wing Shing Computer Components
Description	PWM CONTROLLER
Published	Apr 25, 2005
Detailed Description	Linear Integrated Circuit CURRENT−MODE PWM CONTROLLER The KA3842A KA3842AM are fixe frequency current-mode PWM controlle...
Datasheet	KA3842A PDF File

Overview

Linear Integrated Circuit CURRENT−MODE PWM CONTROLLER The KA3842A KA3842AM are fixe frequency current-mode PWM controller.
They are specially designed for OFF−Line and DC−to−DC converter applications with minimal external components.
These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totempole output ideally suited for driving a power MOSFET.
Protection circuity includes built under−voltage lockout and current limiting.
The KA3842A,KA3842AM have UVLO thresholds of 16 V(on) and 10 V (off).
The KA3842A ,KA384AM can operate within 100% duty cycle The...

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