38 V 500 mA synchronous step-down switching regulator with 30 uA quiescent current

BELLING LEE L693 500MA Cartridge Fuse, 500 mA, 440 V, 6.3mm x 32mm, 1/4" x 1-1/4", 33 kA

BELLING LEE L693 250MA Cartridge Fuse, 250 mA, 440 V, 6.3mm x 32mm, 1/4" x 1-1/4", 33 kA
38 V, 2 A synchronous step-down switching regulator with 30 µA quiescent current