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AS3820 데이터시트(PDF) 35 Page - Dialog Semiconductor

부품명 AS3820
상세설명  16-Channel White LED Controller for LCD Backlight
PDF  52 Pages
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제조업체  DIALOG [Dialog Semiconductor]
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AS3820 데이터시트(HTML) 35 Page - Dialog Semiconductor

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AS3820
16-Channel White LED Controller for LCD Backlight
Rev. 1.1
Datasheet
© 2019 Dialog Semiconductor
www.dialog-semiconductor.com
35 of 52
05-Feb-2019
Step 2: Calculate resistor R2 for minimum output voltage with 0μA minimum current DAC output.
Figure 8.14 : Step 2
R1
R2 = _______________
VoutMIN
(__________1)
Vsense
The output voltage VOUT can also be adjusted manually by writing the “idac_FBx_counter” value (“FB_cnt_man_
fbx”=1). In this case the output voltage can be calculated as follows:
Figure 8.15 : Step 3



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