IC 3.7 A SWITCHING REGULATOR, 2300 kHz SWITCHING FREQ-MAX, PDSO10, MSOP-10, Switching Regulator or Controller

2.2 - 16V input, 2MHz, N-Channel FET synchronous buck controller w output over-V & under-V flag 14-TSSOP -40 to 125
IC 1.5 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN, Switching Regulator or Controller
IC 2.5 A SWITCHING REGULATOR, 660 kHz SWITCHING FREQ-MAX, PDSO6, TSOT-23, 6 PIN, Switching Regulator or Controller
4A SWITCHING REGULATOR, 2300kHz SWITCHING FREQ-MAX, PDSO10, 3 X 3 MM, LLP-10

Boost Converter IC, 1.6MHz, 30V FET, SOT-23-5, 2.7-14V In, 5-28V Out
2.5A SWITCHING REGULATOR, 1900kHz SWITCHING FREQ-MAX, PDSO6, TSOT-23, 6 PIN

2.5A SWITCHING REGULATOR, 660kHz SWITCHING FREQ-MAX, PDSO6, PLASTIC, TSOT-23, 6 PIN