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LM4030: About how to use LM4030

Part Number: LM4030

Hi team.

Our customer wants to make negative voltage with this device.

Is it possible to use this device with the following configuration?

And when N/C pin connect to another pin like follow, what kind of problem can occur?

Wiring may be required due to placement of peripheral parts.

pin1 connect to pi5.

pin3 connect to pin4.


best regards