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U490B

Part Number	U490B
Manufacturer	TEMIC Semiconductors
Description	One-Shot Phase Control
Published	Apr 16, 2005
Detailed Description	U490B One-Shot Phase Control Description The monolithic integrated bipolar circuit, U490B, is a one-shot power control c...
Datasheet	U490B PDF File

Overview

U490B One-Shot Phase Control Description The monolithic integrated bipolar circuit, U490B, is a one-shot power control circuit, designed to control the thyristor which is mainly used in electric stapler devices.
The IC is preferred to realise a one-shot phase control, where any phase angle and thus any intensity of the load voltage is adjustable.
After successful triggering and the following delay time, an ignition pulse at the output is released.
A further triggering is only possible after the elapse of the delay time.
Features D D D D D L D1 1N4007 R1 Vmains 230 V 24 kW/ 2W R3 220 kW C3 1.
5 nF Applications D Electric stapler devices Phase controlled thyristor ignition Triggering with ti...

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