TD1457C
40V,2A Asynchronous Step-Down Converter (Buck Switching Regulator)

• 9 to 40V operating input range
• 250mΩ Internal Power MOSFET
• Up to 1MHz Programmable Switching Frequency
• 180μA Quiescent Current
• Ceramic Capacitor Stable
• Internal Soft-Start
• Up to 95% Efficiency
• Output Adjustable from 0.8V to 34V
• Available in ESOP8 package
  
  
  Typical applications :5V Output Typical Application Schematic