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The Monostable Operating Mode in 555 Timer IC Circuit, an Application Datasheet

Friday, 07. August 2009 by admindata

There are basic modes operation in 555: Monostable, Astable (oscilatory), and Schmitt Trigger. The following application 555 Timer Monostable Wired to demonstrate the control voltage function will discuss about Monostable Operating Mode in 555 Timer IC Circuitry since monostable mode are commonly useful in producing timing signal such on a light of automatic garage door openers.

Accordingly, the monostable operation mode is a circuit that produces an output pulse of fixed duration each time the input circuit is triggered. As in the garage door example above, the monostable is triggered when the door is opened and turn the light on for duration of the output pulse. It can produce up to 200 mA output supply that is more than enough to drive LED or small loudspeaker.

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