SI9145 - Low-Voltage Switchmode Controller
The Si9145 switchmode controller IC is ideally suited for high efficiency dc/dc converters in low input voltage systems.
Operation is guaranteed down to 2.7 V, with a minimum start-up voltage of 3.0 V making the Si9145 ideal for use with NiCd, NMH, and lithium ion battery packs.
A mode select pin al