Hi support team,
Intermittent oscillation occurs in the SW waveform when the power is turned on / off.
Is this normal function?
There is no such intermittent oscillation after the power is completely turned on.
Regards,
Dice-K
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Hi support team,
Intermittent oscillation occurs in the SW waveform when the power is turned on / off.
Is this normal function?
There is no such intermittent oscillation after the power is completely turned on.
Regards,
Dice-K
Hi Dice-K,
The switching frequency for this device has a dependency on VIN and load current. I don't see the lower frequency during startup/shutdown as an issue.
Best regards,
Varun
Hi Varun,
Thank you for your answer.
Is there any material or equation that shows the relationship between the switching frequency, VIN, and load current?
Is it just the following information?
Are these information not applicable at startup/shutdown?
Best regards,
Dice-K
Hi Dice,
Figure 7-18 would be valid after the device finishes startup. This is the only curve that shows the variation of switching frequency in steady state.
Best regards,
Varun
Hi Varun,
Thank you for your reply.
Does that mean there is no frequency information during startup/shutdown?
Best regards,
Dice-K
Hi Dice,
Yes there can be variation in frequency during startup/shutdown.
Best regards,
Varun