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TOPT12-800C0 数据表(PDF) 14 Page - WeEn Semiconductors |
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TOPT12-800C0 数据表(HTML) 14 Page - WeEn Semiconductors |
14 / 18 page WeEn Semiconductors TOPT12-800C0 TOPTriac TOPT12-800C0 Product data sheet All information provided in this document is subject to legal disclaimers. © WeEn Semiconductors Co., Ltd. 2018. All rights reserved 22 August 2018 14 / 18 Suggested RG(bI) is 15 kΩ. 11.7 Application schematics The following schematics show possible implementations of TOPTriac. Gate trigger current is from a 5 V minimum logic supply. It is possible to trigger from a 3.3 V microcontroller by using a transistor level shifter to a higher voltage gate drive power supply, which may be 5 V minimum or the 12 V supply that may already be available for other loads such as lighting, indication and sounders. For DC triggering, reset is achieved by removing the gate drive at any time and reapplying it after TOPTriac temperature has dropped below Ttrip. For pulse triggering, reset is achieved by removing and reapplying the gate bleed current IG(bI) after TOPTriac temperature has dropped below Ttrip. IG(bI) is set by RG(bI). It is best derived directly from the low voltage microcontroller supply (up to 5V max) and will most likely be direct drive from the microcontroller output. In all of the following circuits, gate trigger and gate bleed current are applied by logic zero drive from the microcontroller. Fig. 16. DC triggering from 5 V microcontroller Fig. 17. Pulse triggering from 5 V microcontroller Fig. 18. DC triggering from 3.3 V microcontroller Fig. 19. Pulse triggering from 3.3 V microcontroller |
类似零件编号 - TOPT12-800C0 |
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类似说明 - TOPT12-800C0 |
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