Typical Application Circuit for LTM8003-3.3HY 0.97Vout from 3.4 to 40Vin Step Down Converter with Spread Spectrum. The LTM8003 is a 40Vin, 3.5A step-down Module (power module) regulator. Included in the package are the switching controller, power switches, inductor and all support components. Operating over an input voltage range of 3.4V to 40V