2.2MHz Buck or Boost Power Supply for ADSL2+ Chipset

Abstract: This application note describes the MAX5072 DC-DC converter, specifically designed to address the power-management needs of the ADSL2+ modem. It also provides a design guide for buck, boost, or buck-boost converters, and includes proven circuit schematics with major component-part numbers. It also briefly describes the ADSL2 and ADSL2+ standards.