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AL8807EV2 Datenblatt(PDF) 6 Page - Diodes Incorporated

Teilenummer AL8807EV2
Bauteilbeschribung  The input bridge rectifier provides the board with reverse battery protection.
PDF  8 Pages
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Hersteller  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AL8807EV2 Datenblatt(HTML) 6 Page - Diodes Incorporated

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AL8807EV2
Issue 2 – February 2012
www.diodes.com
© Diodes Incorporated 2012
6
Changing the LED current
1.
Remove R1.
2.
Calculate and fit a new sense resistor, R1, the value of which is based on the required LED
current without dimming. R1 can be calculated using following equation :
R1 = 0.1V/IOUT
where IOUT = the LED current.
R1 = the sense resistor value in ohms.
0.1V is the nominal sense voltage with ‘CTRL’ open circuit or set to 2.5V.
An on-line Calculator is available to speed up the design process at:
http://www.diodes.com/destools/calculators.html
PCB Layout
Figure 6 PCB top copper and component overlay
Figure 7 PCB bottom copper and component overlay



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