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Simple, Compact & Efficient Isolated Power with Low IQ No-Opto Flyback ICs

Min Chen - Senior Design Engineer Dec 12th 2014

The flyback converter is typically the first choice for engineers looking for isolated power supplies below 50W. These isolated power supplies generally require opto-isolators or extra transformer windings to regulate the output voltage. As a result, these isolated power supply solutions are generally complicated, bulky and inefficient.

Linear Technology’s low IQ no-opto flyback ICs dramatically simplify isolated power supply design yet still provide compact and efficient isolated power supply solutions. Both operating from an input voltage range of 2.7V to 42V, the LT8301 and LT8302 can deliver isolated output power up to 6W and 18W with better than 5% output voltage regulation.

LT8302 PR Photo