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High or Low side switching

11 years 8 months ago #29526453 by Anonymous
High or Low side switching was created by Anonymous
I was going to use an AX500 channel for a high-side (Voltage Source) and a low-side (Voltage Sink) dimmer control. After probing the outputs it appears that the AX500 is PWMing the low-side FETs and switching the high-side FETs. Is this true?

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11 years 8 months ago #29526454 by Roboteq
Replied by Roboteq on topic RE: High or Low side switching
That is correct.
The driver used on the ax500 has a very slow high side switch. So the high side stays on and the low side pulses.
All our other models work the other way around.

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  1. Forum
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