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The device also offers a charge pump output (CPO) option for enhancing the MOSFET gate drive to deliver highest efficiency at medium to full load conditions.
0V -- Charge pump output can also be used with an external regulator -- Up to 200mA continuous output current -- Low operating current (180uA typ) -- Low power shutdown modes -- Dual enable pins allow separate control of charge pump and LDO circuits for faster startup from sleep states -- Overload current limiting and over-temperature thermal shutdown for full protection -- Stable with low-ESR ceramic or tantalum capacitors -- Small, 10 pin, lead free MSOP package for space critical applications such as notebooks and PDAs.
The PE3341 is designed with an integrated charge pump output while the PE3342 is designed with a digital phase detector output.