480mA froma 3.3V supply or 5V at xDSL Power Supply 300mA fromfour alkaline cells in a SEPIC design. , LTC and LT are registered trademarks of Linear Technology Corporation ThinSOT is a trademark of Linear Technology Corporation. TheLT1930/LT1930Aareavailableinthe5-leadThinSOT package. U TYPICAL APPLICATIO