Hi All,
I am having a buck converter (TPS54260 - http://www.ti.com/lit/ds/symlink/tps54260.pdf) which steps down 8-16V input to 5V output. Load current = 0.6A
My schematic is similar to the one in the datasheet's application diagram on page 29. Similar input output capacitors, inductors and resistors are used.
But upon removing the input power, I get the attached waveform.
Please let me know why I get this waveform upon removing the input voltage
Why does the output not go to 0V the instant the input voltage is turned to 0V? We can see from the waveform that the output is gradually decreasing and suddenly peaks and then gradually decreases and peaks till it reaches 0V? Why the sudden peaks? What is this phenomenon?
Thanks
I am having a buck converter (TPS54260 - http://www.ti.com/lit/ds/symlink/tps54260.pdf) which steps down 8-16V input to 5V output. Load current = 0.6A
My schematic is similar to the one in the datasheet's application diagram on page 29. Similar input output capacitors, inductors and resistors are used.
But upon removing the input power, I get the attached waveform.
Please let me know why I get this waveform upon removing the input voltage
Why does the output not go to 0V the instant the input voltage is turned to 0V? We can see from the waveform that the output is gradually decreasing and suddenly peaks and then gradually decreases and peaks till it reaches 0V? Why the sudden peaks? What is this phenomenon?
Thanks
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