ISL97671
Typical Performance Curves
1.2
(Continued)
0.60
1.0
0.8
0.6
12 V IN
4.5 V IN
0.55
0.50
0°C
+25°C
-40°C
0.4
0.45
0.2
0
0
1
2
3
4
5
6
0.40
0
5
10
15
20
25
30
DC
FIGURE 10. CURRENT LINEARITY vs LOW LEVEL PWM DIMMING
DUTY CYCLE vs V IN
FIGURE 12. V OUT RIPPLE VOLTAGE, V IN = 12V, 6P12S AT
20mA/CHANNEL
FIGURE 14. IN-RUSH AND LED CURRENT AT V IN = 12V FOR 6P12S
AT 20mA/CHANNEL
9
V IN (V)
FIGURE 11. V HEADROOM vs V IN AT 20mA
FIGURE 13. IN-RUSH and LED CURRENT AT V IN = 6V FOR 6P12S AT
20mA/CHANNEL
FIGURE 15. LINE REGULATION WITH V IN CHANGE FROM 6V TO 26V,
V IN = 12V, 6P12S AT 20mA/CHANNEL
FN7631.3
August 14, 2012
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