Bias Supply Performance
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SLLU282A – December 2017 – Revised February 2018
Copyright © 2017–2018, Texas Instruments Incorporated
UCC5390SCD With Isolated Bias Supply
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Bias Supply Performance
This section shows the bias supply efficiency, voltage regulation, and switching waveforms at different
configurations. These measurements have been fulfilled only with the bias supply components populated
onboard to avoid the impact of the driver circuit.
Figure 15. Bias Supply Efficiency at Different Configurations