LT1139CN
4Ch Op Amp GP 1.2MHz RRO 14DIP
Boost/Forward Converter IC, 54V Output, 65mA, 60V Supply, Through Hole DIP
4-Ch Op Amp, 1.2MHz GBW, 600uV Vos, BIPolar, PDIP
Switching Controller, Current-mode, 150kHz Switching Freq-Max, PDIP20