High Efficiency, Wide Voltage Range Boost/SEPIC Controller

  • Wide bias input range: 4.5V~30V
  • High efficiency (up to 95%)
  • 8V gate drivers for external Power MOSFETs
  • Controls Boost or SEPIC converters
  • Adjustable switching frequency
  • Adjustable current limiting
  • Adjustable loop compensation
  • Adjustable softstart and slope compensation
  • Pb-free Package: SOP-16 and TQFN33-16
  • -40˚C to +85˚C Temperature Range


  • LCD TV and monitorsg
  • LED lighting
  • Step-up converters
  • Other LED applications

Key Electrical Specifications

Vin(Min) Vin(Max) Control Switching Frequency Max Current Package
4.5V 30V EN Adj <1MHz Controller SOIC-16

Typical Application Diagram