特性和优势

• Suitable for applications up to 5 W (SSL21151) or 10 W (SSL21153) mains power
• Compact solution with a small form factor and low component count
• Ease of integration
• Primary side sensing (no optocoupler required)
• True current source behavior:
  • LED current independent of mains voltage, LED voltage and temperature variation
  • LED current accuracy (10 %)
  • Line regulation: ±3 % at 230 V ±10 %
  • Load regulation: ±3 % between 0.5 x Umax and 0.85 x Umax
• LED current independent of mains voltage, LED voltage and temperature variation
• LED current accuracy (10 %)
• Line regulation: ±3 % at 230 V ±10 %
• Load regulation: ±3 % between 0.5 x Umax and 0.85 x Umax
• Efficiency up to 86 % depending on the application
• Internal protections::
  • OverTemperature Protection (OTP)
  • LED short protection (IOUT (0 V - V maximum) at a constant level)
  • LED open protection
  • UnderVoltage LockOut (UVLO)
• OverTemperature Protection (OTP)
• LED short protection (IOUT (0 V - V maximum) at a constant level)
• LED open protection
• UnderVoltage LockOut (UVLO)
• Internal supply voltage generation enabling start-up from the rectified mains voltage
• SO7 package

应用

• SSL retrofit lamps (small-sized light bulbs or LED spots)
• LED module, mains AC/DC converter (down-lights)
• LED strings (retail displays)

产品图片

演示板

SSL21151DB1089

SSL21151DB1090