Lm2577 boost datasheet pinout voltage 5v regulator 48v circuit buck 12v schematic down converter dc regulator need go 30ma 9v less than supply circuitlab created using engineering Dc dc converter
LM2577 Boost Converter circuit | Step up | Datasheet | Pinout
Lm2577 boost converter circuit
dc dc converter - Need a buck circuit to go from 48V down to 12V-9V
LM2577 Boost Converter circuit | Step up | Datasheet | Pinout
