Tapped-Inductor (Autotransformer-Based) Converters

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Tapped-Inductor (Autotransformer-Based) Converters
10106071010604 Tapped-Inductor (Autotransformer-Based) Converters
Introduction If we are hitting a very unreasonable duty cycle, a tapped-inductor topology can be the answer. It uses a transformer, or more precisely an autotransformer, to provide one more valuable degree of freedom—the turns ratio. For example, if we want to go from 10 to 100 V using a DC-DC Boost, we need a duty cycle of roughly 0.9. Note that, whether it is considered advisable or not to operate at such a high duty cycle, it may in fact be impossible to do so, because most Boost controller ICs are, …
Sanjaya Maniktala: Switching Power Supply Design & Optimization, Second Edition. Tapped-Inductor (Autotransformer-Based) Converters, Chapter (McGraw-Hill Professional, 2014), AccessEngineering Export