CURRENT MODE PWM CONTROLLER. The KA3885 is a fixed PWM controller for Off-Line and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totempole output for driving a POWER MOSFET. Also provides a low start up current below 0.3mA and short shutdown delay time typ. 100ns.
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