Texas Instruments LM3445 Evaluation Board LM3445-230VFLBK/NOPB LM3445-230VFLBK/NOPB Datenbogen
Produktcode
LM3445-230VFLBK/NOPB
V
BUCK
(V)
N
O
R
MAL
IZ
ED
SW
F
R
EQ
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)
N
U
MBER
O
F
U
N
IT
S
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
SNVS570L – JANUARY 2009 – REVISED MAY 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Normalized Variation in f
SW
over V
BUCK
Voltage
Leading Edge Blanking Variation Over Temperature
Figure 9.
Figure 10.
6
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