StepDown 12/5V

[Delphin]

> Z datasheetu MC34063A, MC33063A, NCV33063A
>
> • Operation from 3.0 V to 40 V Input
> • Low Standby Current
> • Current Limiting
> • Output Switch Current to 1.5 A
>                            ^^^^^
> • Output Voltage Adjustable
> • Frequency Operation to 100 kHz
> • Precision 2% Reference
>
> Dalej su v tom datasheete schemy zapojeni s esternym tranzistorom pre
> prudy vyssie ako 1.5A

1.5 A je maximalni proud "spinace" (v DS oznaceny jako Ic peak) a nikoliv 
maximalni vystupni proud.
btw: Na 1A bych spise zvolil LM2575.