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What are the recommend values for the resistornetwork in a isolated ACST435 application?

AHabe.1
Associate II

‎2021-02-22 05:25 AM - last edited on ‎2023-08-31 01:12 AM by

Hi,

the AN5114 describes in a good manner the isolated controll of a TRIAC.

In chapter 3.3.1 there are some equations for determining the resistornetwork.

But it seems that this equations do not really work for a ACST435 with 35mA gate current and for a photo-TRIAC with 1A surge current.

Could you please give me the recommended values for this TRIAC combination?

Thank you in advance

Albert

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