HV9805
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 m A peak
- Supports up to 25W at 120VAC
- Supports up to 50W at 230VAC
- patibility with SEPIC Topology for Low Output Voltage Applications
Applications
- LED Lamps
- LED Lighting Fixtures
Network Topology Diagram
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.
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