TheHV98100/HV98101 LED driver Integrated Circuit (IC) is an off-line, high-powerfactor, buck-boost controller targeted at general LED lighting products, suchas LED lamps and LED lighting fixtures with a maximum power rating of about15W. The IC is targeted at designs at singleline voltages such as 110VAC or 230VAC.
TheHV98100/HV98101 uses a unique control scheme to achieve high-power factor andlow THD simultaneously under all line and load conditions, while maximizingefficiency utilizing valley switching. The average LED current is alsocontrolled in a closed-loop manner to achieve high-LED accuracy.
Other unique features of the ICs are the bootstrap of the IC supply voltage from the output, as well as the unique valley-sensing scheme which allow the use of a standard off-the-shelf inductor to minimize the overall system cost.
Good LED Current Regulation
Better than 5% accuracy
Valley Switching buck-boost Converter with Power Factor Correction (PFC)
>0.95 Power Factor
<10% Total Harmonic Distortion (THD)
Uses a standard off-the-shelf inductor
No auxiliary winding required
Single Input Voltage range
HV98100: 110 Vac ± 15%
HV98101: 230 Vac ± 15%
Supports 5W-15W output power
Space-saving SOT-23-6L packageHV98101 封装图
型号 | 制造商 | 描述 | 购买 |
---|---|---|---|
HV98101T-E/CH | Knowles | CAP CER 47PF 1.5KV C0G/NP0 1825 | 立即购买 |
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