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FT833 Constant Current LED Driver Family

By Fremont Micro Devices USA 65

FT833 Constant Current LED Driver Family

Fremont Micro Devices' FT833xxx is a high-precision primary-side feedback and regulation constant current driver for LED lighting applications. It is designed to work in inductor current discontinuous conduction mode (DCM) and is especially suitable for flyback converters under universal input. Under universal input voltage from 90 V to 264 V, the system output power for FT833Sxx, FT833Axx, FT833Bxx (SOP8), and FT833BD (DIP8) is recommended to be no more than 3 W, 6 W, 9 W, and 12 W, respectively.

Features
  • Built-in 650 V power MOSFET
  • PSR constant current control without secondary sense and feedback circuit
  • No auxiliary winding for sensing and supplying
  • Ultra-low operating current for high efficiency
  • Universal input voltage
  • ±3% LED current accuracy
  • Choice for maximum duty cycle, and OVP voltage 
  • Precision OVP voltage for best LED open circuit protection
  • LED short circuit protection
  • CS resistor short-circuit protection
  • VCC under-voltage protection
  • Over-temperature compensation
  • Available in SOP8 and DIP8 packages
Applications
  • Isolated solid state lighting
  • GU10 / E27 LED bulbs and spot lights
  • Other LED lighting

nuevos productos:

FT833S11-RTFT833A11-RTFT833B12-RT

Etiquetas:

Power ManagementSemiconductors & Dev ToolsFremont Micro Devices USA

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