Boost Switching Regulator IC Positive Adjustable 1.25V 1 Output 500mA (Switch) SC-74A, SOT-753..
Buck Switching Regulator IC Positive Fixed 5V 2 Output 200mA 16-SOIC (0.154", 3.90mm Width)..
Buck Switching Regulator IC Positive Fixed 4.95V 2 Output 200mA 16-DIP (0.300", 7.62mm)..