Intersil ISL78171EVAL1Z, Руководство пользователя

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User Guide 035
UG035.0
June 15, 2015
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Typical Performance Curves
FIGURE 9. EFFICIENCY vs LED CURRENT AT LX
FREQUENCY = 600kHz AT -40°C vs V
IN
FIGURE 10. EFFICIENCY vs LED CURRENT AT LX
FREQUENCY = 600kHz AT 25°C vs V
IN
FIGURE 11. EFFICIENCY vs LED CURRENT AT LX
FREQUENCY = 600kHz AT + 105°C vsV
IN
FIGURE 12. EFFICIENCY vs INPUT VOLTAGE AT LX
FREQUENCY = 600kHz vs V
IN
FIGURE 13. EFFICIENCY vs LED CURRENT AT LX
FREQUENCY = 1.2MHz AT -40°C vs V
IN
FIGURE 14. EFFICIENCY vs LED CURRENT AT LX
FREQUENCY = 1.2MHz AT + 25°C vs V
IN
E
F
F
ICIENCY (%
)
LED CURRENT (A)
50
55
60
65
70
75
80
85
90
95
0 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20
5V
12V
24V
26.5V
50
55
60
65
70
75
80
85
90
95
0 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20
5V
12V
24V
26.5V
EFFIC
IENCY (%)
LED CURRENT (A)
EFFICI
ENC
Y
(
%
)
LED CURRENT (A)
50
55
60
65
70
75
80
85
90
95
0 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20
5V
12V
24V
26.5V
60
65
70
75
80
85
90
95
0 5 10 15 20 25 30
EFFECIENCY (%
)
V
IN
(V)
-40°C
+25°C
+105°C
EFFICIENCY
(%)
LED CURRENT (A)
50
55
60
65
70
75
80
85
90
95
0 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20
5V
12V
24V
26.5V
EFFICIENCY
(%)
LED CURRENT (A)
50
55
60
65
70
75
80
85
90
95
0 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20
5V
12V
24V
26.5V