PMP3843, Dual Output Synchronous Buck Converters using the TPS51220A for 5V and 3.3V System Rails

PMP3843 using the TPS51220A to generate 5V at 9A and 3.3V at 5.5A. The input for the design is two cell lithium ion battery. The TPS51220A is designed to operate in low power skip mode to keep light load efficiency high for portable applications. The design also has low power LDOs to provide 5V and 3.3V during the different sleep states