RADIATION HARDENED high efficiency, 5 AMP SWITCHING REGULATORS 11 A SWITCHING REGULATOR, 47 kHz SWITCHING FREQ-MAX, PZFM5 RADIATION HARDENED high efficiency, 5 AMP SWITCHING REGULATORS 抗辐射高效,5安培开关稳压器 5A and 2.5A high efficiency Switching Regulators From old datasheet system