LT1945 - Dual Micropower DC/DC Converter with Positive and Negative Outputs
Switching Regulator, Current-mode, 4.3A, 1460kHz Switching Freq-Max, PDSO28

Conv DC-DC 2.45V to 16V Step Up Single-Out 1.25V to 36V 3.1A Automotive 8-Pin MSOP EP Tube

Switching Regulator, Current-mode, 8.5A, 560kHz Switching Freq-Max, BIPolar, PSSO7

LT1959 - 4.5A, 500kHz Step-Down Switching Regulator; Package: DD PAK; Pins: 7; Temperature Range: 0°C to 70°C