LP3966 LP3966ES-1.8 LP3966ES-1.8/NOPB LP3966ES-1.8-TI LP3966ES2.5 LP3966ES-2.5 LP3966ES-2.5/NOPB LP3966ES-2.5-TI LP3966ES-3.3 LP3966ES-3.3/NOPB