You would need a boost converter instead of a buck converter. I suggest posting your question to the boost converter group as this forum is for buck converters.

CT21104 is high efficiency DCDC boost converter designed work with Li-Ion batteries. The boost converter is optimized for current load up to 20mA and 3.3V to 15V selectable output voltage ...

This is one real-life quest: How do we increase the output voltage of a step-up converter? If you have unlimited access to the right ICs, you are one lucky dog, but what if you don’t? Or maybe you are ...

If i'm right, the power supply and the PSE part has to be isolated to the rest of the cuircit (NIC etc..). 12V are available, but i need ~48V so i have to design a DCDC boost converter, but i can't ...

This unit typically requires standard household 120V AC power, which it converts to 48V DC to power ... system to a 12V power supply using components such as a 12V to 48V step-up converter and ...

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