± Constant output current ± Large step-down ratio ± Unity power factor ± Low input current harmonic distortion ± Fixed frequency or fi xed off-time operation ± Internal 4.
± Offl ine LED lamps and fi xtures ± Street lamps ± Traffi c signals ± Decorative lighting
General Description
The TB99.
Features
± Constant output current ± Large step-down ratio ± Unity power factor ± Low input current harmonic distortion ± Fixed frequency or fi xed off-time operation ± Internal 450V linear regulator ± Input and output current sensing ± Input curren.
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