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GL494

Part Number	GL494
Manufacturer	Hynix Semiconductor
Description	PWM CONTROL CIRCUIT
Published	Mar 23, 2005
Detailed Description	GL494 GL494 PWM CONTROL CIRCUIT Description The GL494 incorporates on a single monolithic chip all the functions requir...
Datasheet	GL494 PDF File

Overview

GL494 GL494 PWM CONTROL CIRCUIT Description The GL494 incorporates on a single monolithic chip all the functions required in the construction of a pulse-widthmodulation control circuit.
Designed primarily for power supply control, the GL494 contains an on-chip 5-volt regulator, two error amplifiers, adjustable oscillator, deadtime control comparator, pulse-steering flip-flop, and output-control circuitry.
The uncommitted output transistors pro-vide either common-emitter or emitterfollower output capability.
Push-pull or single-ended output operation may be selected through the outputcontrol function.
The ar-chitecture of the GL494 prohibits the possibility of either output being pulsed twic...

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