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MC33063A: MC33063A as boost converter Power supply

Kirubakar Nagarajan
Prodigy 30 points
Part Number: MC33063A
Other Parts Discussed in Thread: TPS61175

Currently I'm using MC33063 power supply regulator IC in our application as boost converter from 5V DC to 24V DC power supply with O/P load current of 0.3A. While we load the IC above 0.15A, the O/P voltage from the MC33063 is dipped to 14V DC. We couldnt able to achieve the full load current.

Please let me whether we need to use external switch or Not?

Thanks.