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Dear Specialists,
My customer is considering UCC27524A-Q1 and has a question.
Could you please advise?
UCC27524A-Q1 is defined output pulsed source/sink current (0.5 µs) at Absolute Maximum Ratings as 5A.
At this time, how is allowable repetition frequency(Hz)?
I appreciate your great help.
Best regards,
Shinichi
Shinichi,
Thank you for your interest in the UCC27524A-Q1 driver. Although there is no specific maximum frequency, from Figure 15 on the device datasheet you can see data up to 1MHz. Please let me know if there is a specific frequency that the customer is targeting.
In general, since this is a low-side driver, there is not the same concern with a refresh rate for the driver supply as there would be with a bootstrap supply on a half-bridge driver. I do suggest good power supply bypassing per sections 10 (Power Supply Recommendations) and 11 (Layout) in the datasheet.
- Daniel