APPLICATIONS OF THE MOC3011 TRIAC DRIVER DOWNLOAD

In order to design a snubber properly, one should really know the power factor of the reactive load, which is de? The LED is guaranteed by the specifications to trigger the detector into the on state when the current passing through the LED is equal to, or greater than the I FT max specification. Start display at page:. In this case, it is possible the MOC and the associated triac will be triggered on. Bi-directional DC Motor Driver www. Since the triac turns off at zero current, it may be trying to turn off when the applied current is zero but the applied voltage is high.

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Since the looks essentially like a small optically triggered triac, we have chosen to represent it as shown on Figure 1.

By using a, a triac, and a low voltage source, it is possible to control a large lighting load from a long distance through low voltage signal wiring which is completely isolated from the ac line. Zero—crossing of a wa Many laboratory power supplies More information. Built-in zero-cross S1D, S1D.

MOC application datasheet & applicatoin notes – Datasheet Archive

The designer can therefore design the input circuitry to supply 10 mA to the LED and still be sure of satisfactory operation over a long operating lifetime. To allow a safety margin and ensure long service life, the is actually tested to trigger at a value lower than the specified 10 ma input threshold current.

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Description The SX is a bi-directional, single-pole, single-throw, normally open multipurpose solid-state relay. An example is shown in Figure 8. However, a method of designing a snubber network may be defined, based upon a typical power factor. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

Bi-directional DC Motor Driver www. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

Application Notes

The main restriction is that the triac must be properly off to sustain the proper inrush loads. This application note describes circuits in which these More information.

Application if AC switch triggering with 3. In this case, it is possible the and the associated triac will be triggered on. Such wiring usually is not required to be put in conduit, so the cost savings in installing a lighting system in commercial or residential buildings can be considerable.

Applications of Non Zero Crossing Triac Drivers_图文_百度文库

The circuit shown in Figure 6 allows a non-critical range of input voltages to properly drive the and at the same time mlc3011 the input LED from inadvertent application of reverse polarity.

Many laboratory power supplies. An adjustable More information. On the simply connecte The open-collector outputs require external pull-up More information.

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The detector has a minimum blocking voltage a;plications 50 Vdc in either direction in the off state. Power supply designers have, most often, overcome this problem by.

When used this way, two resistors are required to equalize the voltage dropped across them as shown in Figure 7. The main restriction is that the triac must be properly chosen to sustain the proper inrush loads.

Featuring very high commutation levels and high surge current capability. The resistor should be chosen to set the current into the LED to be a minimum of 10 mA appllications no more than 50 mA. Compact 1-pin dual-in-line package type.

This is usually not a problem, except in unusually noisy environments, because the and its triac will commute off at tric next zero crossing of the line voltage, and most loads are not noticeably affected by an occasional single half-cycle of applied power.

CMOS, for example, is specified to have only 0. Rotron Technical Products Division. To allow a safety margin and ensure long service life, the MOC is actually tested to trigger at a value lower than the speci?

If the triac is to be triggered when Vin 0V: Naturally, the load could also be a motor, fan, pool pump, etc.