Design of A Small, Efficient, Isolated Flyback Converter For 24-V Input Systems with Si9121

The Si9121DY is a superb choice for a non-isolated buck-boost converter IC capable of producing a +3.3-V or +5.0-V output from a wide input voltage range of -10 V to -60 V. This whitepaper describes the design of a High-Voltage Non-Isolated Buck-Boost With Si9121DY.

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