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SL494

Part Number	SL494
Manufacturer	System Logic Semiconductor
Description	PWM Control Circuit
Published	Apr 16, 2005
Detailed Description	SL494 PWM Control Circuit The SL494 incorporates on a single monolithic chip all the functions required in the construc...
Datasheet	SL494 PDF File

Overview

SL494 PWM Control Circuit The SL494 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 SL494 contains an on-chip 5-volt regulator, two error amplifiers, adjustable oscillator, dead-time control comparator, pulse-steering flip-flop, and output-control circuitry.
The uncommitted output transistors provide either common-emitter or emitter-follower output capability.
Push-pull or single-ended output operation may be selected through the outputcontrol function.
The architecture of the IL494 prohibits the possibility of either output being pulsed twice during push-pul...

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