Featues
High-voltage (VCEO≥ 50V), large-current (ICmax = 500 mA) drive
LB1231 • Drivable by TTL, MOS output
LB1232 • Contains base current limiting resistors,Zener diodes for level shift
          • Direct drivable by 24V P MOS
LB1233 • Contains base current limiting resistors.
          • Direct drivable by TTL, CMOS output.
LB1234 • Contains base current limiting resistors.
          • Direct drivable by CMOS, PMOS output.