ISL97672 Intersil, ISL97672 Datasheet - Page 7

• Manufacturer Part Number: ISL97672
• Description: 6-Channel LED Driver
• Manufacturer: Intersil

Typical Performance Curves
FIGURE 5. EFFICIENCY vs V
FIGURE 9. CURRENT LINEARITY vs LOW LEVEL PWM
FIGURE 7. EFFICIENCY vs V
100
100
1.2
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0
0
0
+25°C
20mA (100% LED DUTY CYCLE)
FREQUENCY AT 20mA (100% LED DUTY
CYCLE)
DIMMING DUTY CYCLE vs V
580k
+85°C
5
5
1
10
10
0°C
2
7
IN
V
V
15
IN
15
DC
IN
3
IN
vs SWITCHING
12 V
vs TEMPERATURE AT
1.2MHz
IN
20
-40°C
20
4
IN
4.5 V
25
25
5
IN
ISL97672
30
30
(Continued)
6
FIGURE 6. EFFICIENCY vs V
FIGURE 8. CHANNEL-TO-CHANNEL CURRENT
-0.10
-0.20
-0.30
-0.40
0.60
0.55
0.50
0.45
0.40
0.40
0.30
0.20
0.10
0.00
100
FIGURE 10. V
80
60
40
20
0
0
0
0
FREQUENCY AT 30mA (100% LED DUTY
CYCLE)
MATCHING
580k
1
5
5
0°C
HEADROOM
2
10
10
CHANNEL
V
4.5 V
3
IN
IN
V
15
15
IN
(V)
vs SWITCHING
vs V
+25°C
IN
21 V
4
1.2MHz
IN
20
20
www.DataSheet4U.com
IN
AT 20mA
5
12 V
25
25
IN
6
-40°C
June 24, 2010
FN7632.0
30
30
7