ISL97671IRZ-T 查看數據表（PDF） - Renesas Electronics
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产品描述 (功能)
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ISL97671IRZ-T
Renesas Electronics
ISL97671IRZ-T Datasheet PDF : 27 Pages
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ISL97671
Typical Performance Curves
100
90
80
70
60
12VIN
24VIN
5VIN
50
40
30
20
10
0
0
5
10
15
20
25
ILED(mA)
FIGURE 4. EFFICIENCY vs UP TO 20mA LED CURRENT (100% LED
DUTY CYCLE) vs VIN
100 6P10S_30mA/CHANNEL
90
80
70
60
12VIN
24VIN
5VIN
50
40
30
20
10
0
0
5
10
15
20
25
30
35
ILED(mA)
FIGURE 5. EFFICIENCY vs UP TO 30mA LED CURRENT (100% LED
DUTY CYCLE) vs VIN
100
90
80
70
580k
60
1.2MHz
50
40
30
20
10
0
0
5
10
15
20
25
30
VIN
FIGURE 6. EFFICIENCY vs VIN vs SWITCHING FREQUENCY AT
20mA (100% LED DUTY CYCLE)
100
80
580k
60
1.2MHz
40
20
0
0
5
10
15
20
25
30
VIN
FIGURE 7. EFFICIENCY vs VIN vs SWITCHING FREQUENCY AT
30mA (100% LED DUTY CYCLE)
100
90
80
70 +25°C
60
+85°C
0°C
50
-40°C
40
30
20
10
0
0
5
10
15
20
25
30
VIN
FIGURE 8. EFFICIENCY vs VIN vs TEMPERATURE AT 20mA (100%
LED DUTY CYCLE)
0.40
0.30
0.20
0.10
0.00
-0.10
4.5 VIN
12 VIN
-0.20
-0.30
21 VIN
-0.40
0
1
2
3
4
5
6
7
CHANNEL
FIGURE 9. CHANNEL-TO-CHANNEL CURRENT MATCHING
FN7631 Rev.4.00
Sep 7, 2017
Page 8 of 27
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