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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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HT16D35B 数据表(PDF) 9 Page - Holtek Semiconductor Inc |
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HT16D35B 数据表(HTML) 9 Page - Holtek Semiconductor Inc |
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9 / 71 page  Rev. 1.00 9 January 12, 2017 HT16D35A/HT16D35B ThefollowingIVcurveissuppliedforreference. 0.000 10.000 20.000 30.000 40.000 50.000 60.000 VDS (V) IROW v.s. VDS @ VDD=5V Rext=300Ω Rext=333Ω Rext=500Ω Rext=750Ω Rext=1KΩ Rext=1.5KΩ Rext=2KΩ Rext=4KΩ Rext=5KΩ Setting the Output Current Theoutputcurrent(IROW)issetupusinganexternalresistor,R_EXT.ThemaximumLEDcurrentcanbecalculated usingthefollowingformula: IROW_MAX[A]=15/R_EXT(Ω)(Typ.) AsawarningitshouldbenotedthatthemaximumLEDcurrentvalueis45mA. ThedefaultrelationshipbetweenIROWandR_EXTisshowninthefollowingfigure. 0.00 10.00 20.00 30.00 40.00 50.00 60.00 REXT (Ω) IROW v.s. REXT IROW TheMaximumROWcurrentandDeltaROWcurrentvaluesareshowninthenexttable.IftheR_EXTvalueis changed,thenewLEDcurrentstepcanbeseenfromthetable.TherecommendedvalueforR_EXTis500Ω. R_EXT (Ω) 5K 3K 2.5K 1.5K 1K 750 600 500 375 300 IROW_MAX (mA) 3 5 6 10 15 20 25 30 40 50 |
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