Datasheet

0
50
100
150
200
250
0.2 0.7 1.2 1.7 2.2 2.7 3.2
ADJ VOLTAGE (V)
V
SENSE
(mV)
59
59.2
59.4
59.6
59.8
60
60.2
60.4
60.6
60.8
61
-40 -20 0 20 40 60 80
AMBIENT TEMPERATURE (°C)
V
SENSE
(mV)
80
82
84
86
88
90
92
94
96
1 2 3 4 5 6 7
V
LED
(V)
2A
4A
6A
8A
EFFICIENCY (%)
0
10
20
30
40
50
60
70
80
90
100
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
ADJ VOLTAGE (V)
V
SENSE
(mV)
84
86
88
90
92
94
96
1 2 3 4 5 6 7
V
LED
(V)
2A
4A
6A
8A
EFFICIENCY (%)
87
88
89
90
91
92
93
94
95
96
97
1 2 3 4 5 6 7
2A
4A
6A
8A
V
LED
(V)
EFFICIENCY (%)
LM3433
www.ti.com SNVS535C –OCTOBER 2007–REVISED MAY 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs. LED Forward Voltage Efficiency vs. LED Forward Voltage
(V
CGND
-V
EE
= 9V) (V
CGND
-V
EE
= 12V)
Figure 2. Figure 3.
Efficiency vs. LED Forward Voltage V
SENSE
vs. V
ADJ
(V
CGND
-V
EE
= 14V) (V
IN
= 3.3V)
Figure 4. Figure 5.
V
SENSE
vs. V
ADJ
V
SENSE
vs. Temperature
(V
IN
= 5.0V) (ADJ = V
IN
)
Figure 6. Figure 7.
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