ISL97672AIRZ Intersil, ISL97672AIRZ Datasheet - Page 7

• Manufacturer Part Number: ISL97672AIRZ
• Description: 6-Ch LED Driver With PWM Dimming. Vsc 7.5V Min
• Manufacturer: Intersil
• Series: -r

Specifications of ISL97672AIRZ

• Constant Current: -
• Constant Voltage: -
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: -
• Frequency: 200kHz ~ 1.5MHz
• Voltage - Supply: 4.5 V ~ 26.5 V
• Voltage - Output: 45V
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Typical Performance Curves
FIGURE 7. EFFICIENCY vs V
FIGURE 11. V
FIGURE 9. CURRENT LINEARITY vs LOW LEVEL PWM DIMMING
100
1.2
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
20
10
V
2.00µs/DIV
0
0
O
0
0
= 50mV/DIV
DUTY CYCLE vs V
20mA/CHANNEL
+25°C
OUT
+85°C
RIPPLE VOLTAGE, V
5
1
IN
DUTY CYCLE)
10
vs TEMPERATURE AT 20mA (100% LED
2
0°C
IN
7
DC
V
15
3
IN
IN
12 V
= 12V, 6P12S AT
IN
-40°C
20
4
25
5
4.5 V
(Continued)
IN
ISL97672A
30
6
V
FIGURE 12. IN-RUSH and LED CURRENT AT V
IN
FIGURE 8. CHANNEL-TO-CHANNEL CURRENT MATCHING
= 6V, 6P12S
0.60
0.55
0.50
0.45
0.40
-0.10
-0.20
-0.30
-0.40
0.40
0.30
0.20
0.10
0.00
0
0
ILED = 20mA/DIV
FIGURE 10. V
20mA/CHANNEL
I_V
IN
EN
= 1A/DIV
1
5
0°C
V
O
2
HEADROOM
10
= 20V/DIV
2.00µs/DIV
CHANNEL
3
V
4.5 V
21 V
IN
15
(V)
vs V
IN
IN
+25°C
4
IN
AT 20mA
20
IN
= 6V FOR 6P12S AT
5
12 V
25
IN
6
-40°C
May 2, 2011
FN7710.2
30
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