I know TPS50601AHKH/EM is engineering version, but what is difference between 5962-1022102VSC and 5962R1022102VSC? 5962-1022102VSC is QMLV grade, 5962R1022102VSC is RHA - 100 krad(Si), does that means 5962-1022102VSC covers RHA - 100 krad(Si) plus it passed more tests?