I want a buck-boost converter with positive output.Can I use the basic inverting buck-boost converter with output terminals reversed for positive output voltage on any type of Load? If i should not use like this,what are the reasons,please suggest?
Dear Marada Naveen Kumar
The polarities (including the diode) within the buck-boost converter can be reversed to provide a positive output voltage from a negative input voltage.
You can even try reversing the polarity of the output capacitor.I have attached a buck-boost converter circuit for your reference,which delivers positive output voltage.
Hi Marada Naveen Kumar
Providing that your load is connected only to the output, and with no connection to the input supply, (isloated), there is no reason for you to anything
Dear Marada Naveen Kumar,
For the basic inverting buck-boost converter with output terminals reversed for positive output voltage on any type of Load is not acceptable. It depends on type of load, for a purely resitive load, application of reversed polarity will not have any affects but for a R-L, L, R-C, L-C or R-L-C load reversal of polarity may have an adverse effects as the device is manufactured according to polarity mentioned on it. And it has even more harmfull effects for a motor load.
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