特性和优势

• Supports majority of available dimming solutions
• Deep dimming level
• Peak dimming control (SSL5261P)
• Flicker-free dimming
• Low electronic Bill Of Materials (BOM) ensuring a compact solution and small, single layer Printed-Circuit Board (PCB) footprint
• Controller only. For use with external power FET (SSL5251, SSL5261x)
• Driver with integrated MOSFET (SSL5255, SSL5257)
• Supports Buck-boost applications (SSL525x)
• Flexible buck or buck-boost applications (SSL5261x)
• Excellent line regulation and load regulation and good LED output current accuracy
• Efficient BCM operation with:
  • No reverse recovery losses in freewheel diode
  • Zero Current Switching (ZCS) and Valley switching
  • Minimum inductance value and size required
  • High efficiency (up to 90 %)
  • Ultra low IC current during operation (< 150 μA)
• No reverse recovery losses in freewheel diode
• Zero Current Switching (ZCS) and Valley switching
• Minimum inductance value and size required
• High efficiency (up to 90 %)
• Ultra low IC current during operation (< 150 μA)
• Many auto-recovery protections:
  • UnderVoltage LockOut (UVLO)
  • Cycle-by-cycle OverCurrent Protection (OCP)
  • Internal OverTemperature Protection (OTP)
  • Output OverVoltage Protection (OVP)
  • Output Short Protection (OSP)
• UnderVoltage LockOut (UVLO)
• Cycle-by-cycle OverCurrent Protection (OCP)
• Internal OverTemperature Protection (OTP)
• Output OverVoltage Protection (OVP)
• Output Short Protection (OSP)

应用

• Low cost mains dimmable, non-isolated retrofit LED lamps up to 35 W
• Low cost mains dimmable, non-isolated driver modules for LED lighting up to 35 W

产品图片

演示板

SSL5257DB1249

SSL5251DB1245

SSL5255DB1247