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离线式TRIAC调光LED驱动器参考设计
消耗积分:0 |
格式:rar |
大小:1340 |
2010-12-22
1053526151
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2.0 Design Description
This reference design converts 90 V AC to 135 V AC input, and
drives seven, or eight series connected LED’s from 300 to
600 mA average current.. The LM3445 switching frequency
is set at a nominal 225 kHz. This is a four layer board using
the bottom and top layer for component placement. The reference
design can be modified to adjust the LED forward
current, the number of series connected LEDs and switching
frequency. Refer to the LM3445 datasheet for detailed instructions.
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