Proposal DCDC Buck Converter Introduction 0DC/DC HV-Buck Converter Introduction Blundt System Development Division May. 03, 2010 CONFIDENTIAL Richtek Async. HV Buck Converters Freq. RT8278 > 2MHz 24V/2A/3MHz (adj.) PSOPPSOP-8, ADSL2+ 24V/3A/3MHz (adj.) PSOPPSOP-8, ADSL2+ RT8280 2MHz RT8259 24V/1.2A/1.4M 24V/1.2A/1.4MHz T/SOTT/SOT-2323-6 MP2359 P2P RT8270 22V/2A/1.2M 22V/2A/1.2MHz SOPSOP-8 RT8271 24V/2A/1.2MHz MSOPMSOP-10, SOPSOP-8 MP2361 P2P RT8272 24V/3A/1.2MHz PSOPPSOP-8 MP2365 P2P 1MHz RT8258 24V/1.2A/700KHz T/SOTT/SOT-2323-6 RT8267 22V/2A/400KHz SOPSOP-8, MP1410 P2P RT8268 24V/2A/400KHz MSOPMSOP-10, SOPSOP-8 MP1412 P2P RT8269 24V/3A/400KHz PSOPPSOP-8 MP1593 P2P RT8289 32V/5A/500KHz 32V/5A/500KHz PSOPPSOP-8 TPS5450 P2P RT8279 36V/5A/500KHz 36V/5A/500KHz PSOPPSOP-8 TPS5450 P2P RT8256 22V/2A/400KHz SOPSOP-8……