View gs5t48 datasheet:

GS5T48-12 5 W DC-DC CONVERTER Type Vi Vo Io GS5T48-12 38 to 60 V 12 V 420 mA DESCRIPTION The GS5T48-12 is a 5W DC-DC converter de- signed to provide a 12V/420mA isolated power source. The modulefeatures a wide input voltagerange (38 to 60V), low reflected input current and continuous short-circuit protection. It is certified by UL, CSA (level 3) and TUV as having SELV output when provided with a SELV input. ELECTRICAL CHARACTERISTICS (T = 25° C unless otherwise specified) amb. Symbol Parameter Test Conditions Min Typ Max Unit Vi Input Voltage Vo = 12V Io = 50 to 420mA 38 48 60 V Ii Input Current Vi = 38 to 60V Io = 420mA 500 mA I Input Reflected V = 48V V = 12V I = 420mA 25 40 mApp ir i o o Current V Output Voltage V = 38 to 60V I = 50 to 420mA 11.5 12 12.5 V o i o V