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TECHNICAL DATA
PWM Control Circuit
The KKK494 incorporates on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control, the KK494 contains an onchip 5-volt regulator, two error amplifiers, adjustable oscillator, deadtime control comparator, pulse-steering flip-flop, and output-control circuitry. The uncommitted output transistors provide either commonemitter or emitter-follower output capability. Push-pull or single-ended output operation may be selected through the output-control function. The architecture of the KK494 prohibits the possibility of either output being pulsed twice during push-pull operation.
KK494 Datasheet
