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KA3843AC SMPS Controller

KA3843AC Description

www.DataSheet4U.com www.fairchildsemi.com KA3843AC SMPS Controller .
The KA3843AC are fixed PWM controller for Off-Line and DC to DC converter applications.

KA3843AC Features

* Low start current 0.2mA (typ) Operating range up to 500kHz Cycle by cycle current limiting Under voltage lock out with hysteresis Short shutdown delay time: typ.100ns High current totem-pole output Output swing limiting: 22V Desc

KA3843AC Applications

* The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem-pole output for driving a POWER MOSFET. Also KA3843AC provide low start up current below 0.3mA and short shutdown delay

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SMPS Controller Fairchild Semiconductor
Fairchild Semiconductor KA3843AC-like datasheet