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220VAC to 5VDC
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No, the only things I had done were with transformer or use of approved supplies.
But I do know ST has some components for it: https://www.st.com/en/applications/p...onverters.html
or check Power Integrations https://ac-dc.power.com/Last edited by qdrives; 08-28-2020, 11:04 AM.
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Originally posted by qdrives View PostDo note that mains supply has strict regulations to follow. Generally there is at least 3 or 6mm clearance required. 3mm for class I and 6mm for class II (double isolation). UL has other limits then EU. Either way, it will require a lot of space for this.
But do you know any design that I can implement myself on pcb for conversion of 220VAC to 12VDC?
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Do note that mains supply has strict regulations to follow. Generally there is at least 3 or 6mm clearance required. 3mm for class I and 6mm for class II (double isolation). UL has other limits then EU. Either way, it will require a lot of space for this.
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Hi,
You can check these modules: HLK-PM12 Power module
http://www.hlktech.net/product_detail.php?ProId=56
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Originally posted by robertferanec View PostI do not have experience with designing 220V devices, so I can't really help much. Maybe someone else can help?
Originally posted by robertferanec View PostPS: We always try to use an existing power adapter as it makes certification a lot easier.
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I do not have experience with designing 220V devices, so I can't really help much. Maybe someone else can help?
PS: We always try to use an existing power adapter as it makes certification a lot easier.
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220VAC to 5VDC
Hi,
I was designing a circuitry in which I need to convert 220VAC to 12-5VDC for my signal circuitry and to ON/OFF the relay. I first chose SR086 as it was simple to implement (without transformer), but it turned out that the output current of SR086 is only 100mA. I need output current of around 400mA. Can anyone suggest me any good solution for that? I do not want to use the transformer as it would require a lot of space on my board. Thanks in advance.Tags: None
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