TD1457A
40V,3A Asynchronous Step-Down Converter (buck switching regulator)

• 4.5V to 40V operating input range
• 3A output current
• Up to 94% efficiency
• High efficiency (>78%) at light load
• Internal Soft‐Start
• Adjustable switch frequency
• from 100kHz to 900kHz
• Input under‐voltage lockout
• Start‐up current run‐away protection
• Output short protection
• Feedback short protection
• Thermal protection
• Available in ESOP8 package
  
  
  Typical applications :Vin: 8V~36V Vout: 5V Iout: 0~3A(RT=260KΩ)