Switching Regulator/Controller, Voltage-mode, 2.2A, 110kHz Switching Freq-Max, BIPolar, PDSO20
LT1176/LT1176-5 - Step-Down Switching Regulator; Package: PDIP; Pins: 8; Temperature Range: 0°C to 70°C

Switching Regulator, Current-mode, 1.2A, 100kHz Switching Freq-Max, BIPolar, PDIP8

LT1170 - 100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators; Package: TO-220; Pins: 5; Temperature Range: 0°C to 70°C