Texas InstrumentsLM3243TME/NOPBDC to DC Converter and Switching Regulator Chip
Conv DC-DC 2.7V to 5.5V Synchronous Step Down Single-Out 0.4V to 3.6V 2.5A 16-Pin DSBGA T/R
Conv DC-DC 2.7V to 5.5V Synchronous Step Down Single-Out 0.4V to 3.6V 2.5A 16-Pin DSBGA T/R