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Original question:

Using integrated-inductor buck converters in inverting buck-boost configuration

TPS62135: Using integrated-inductor buck converters in inverting buck-boost configuration

yuyun shih
Prodigy 30 points
Part Number: TPS62135
Other Parts Discussed in Thread: TPS62136, TPS82130

Can I use TPS62135 to generate -5.5V? The input is 3.3V. I need -5.5V with 500mA load. If yes, What is the efficiency will be? Do you have other suggests which is better than TPS62135?