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Operating output Voltage

Category: Hardware
Product Number: ADuM3123

Hello!

I want to use ADUM3123 as a negative supply voltage switch. I will supply -5V to pin 5 and (-2.7..-2.2V) to pin 8. Will ADUM switch between these two voltages?

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  • The Hysteresis by definition is the difference between Positive going threshold and Negative going threshold.
    So, the difference between VDD2 and GND2 should be > 3.6V to not trip the UVLO protection on Grade A devices.
    If you trip the UVLO protection, you need additional 0.5V to exit the UVLO error condition. 

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