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| AMC7150 Datasheet, PDF (12/12 Pages) ADDtek Corp – 1.5A Power LED Driver | |||
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AMC7150
7. Relationship between VIN and the LED Driving Current
When VIN changes, the RMS value of LED driving current will change slightly.
Vin vs I(LED,RMS)
420
400
380
360
340
320
300
6
8
10
12
14
16
18
20
Vin (V)
VIN=8~12V
VIN=12~16V
di
dv
=
381 mA â 357 mA
12V â 8V
=
6 mA V
%
V
=
6
mA
V
381mA
= 1.57 % V
di
dv
=
396 mA â 381 mA
16V â 12V
= 3.75 mA V
%
V
=
3 .75
mA
V
381 mA
= 0.98 % V
Copyright © 2006, ADDtek Corp.
http://www.addmtek.com
7-1
DA011 ï¼ September 1, 2006
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