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HV9805 - Off-Line LED Driver

General Description

The HV9805 driver integrated circuit (IC) is targeted at general LED lighting products, such as LED lamps and LED lighting fixtures with a maximum power rating of about 25W at 120VAC and about 50W at 230VAC.

Key Features

  • Provides True DC Light and protects load from line voltage transients.
  • Driver topology includes: - Boundary Conduction Mode (BCM) Boost Converter with Power Factor Correction a) High Power Factor (98% typical) b) High Efficiency (90% typical) - Linear Post-Regulator with Low Overhead Voltage a) Zero LED Current/Brightness Ripple b) Overvoltage Protection for LEDs c) High Efficiency d) ±4% Reference Over Temperature.
  • Simple VDD Supply: - No Auxiliary Winding Required.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HV9805 Off-Line LED Driver with True DC Output Current Features • Provides True DC Light and protects load from line voltage transients • Driver topology includes: - Boundary Conduction Mode (BCM) Boost Converter with Power Factor Correction a) High Power Factor (98% typical) b) High Efficiency (90% typical) - Linear Post-Regulator with Low Overhead Voltage a) Zero LED Current/Brightness Ripple b) Overvoltage Protection for LEDs c) High Efficiency d) ±4% Reference Over Temperature • Simple VDD Supply: - No Auxiliary Winding Required • Boost Converter Cascode Switch: - Internal Switch rated at 700 mA peak - Supports up to 25W at 120VAC - Supports up to 50W at 230VAC • Compatibility with SEPIC Topology for Low Output Voltage Applications Applications • LED Lamps • LED Lighting Fixtures Netw