Datasheet

V
BUCK
(V)
NORMALIZED SW FREQ
1.50
1.25
1.00
0.75
0.50
0.25
0 50 100 150 200
3 LEDs
5 LEDs
7 LEDs
9 LEDs
Series
connected LEDs
LEADING EDGE BLANKING (ns)
NUMBER OF UNITS
15.0
10.0
5.0
0.0
80 100 120 140 160 180
Room (25°C)
Hot (125°C)
Cold (-40°C)
100 units tested
LM3445
SNVS570L –JANUARY 2009–REVISED MAY 2013 www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Normalized Variation in f
SW
over V
BUCK
Voltage Leading Edge Blanking Variation Over Temperature
Figure 9. Figure 10.
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