ISL97673IRZ-TK Intersil, ISL97673IRZ-TK Datasheet - Page 8

• Manufacturer Part Number: ISL97673IRZ-TK
• Description: IC LED DVR PWM CTRL 6CH 20QFN
• Manufacturer: Intersil

Specifications of ISL97673IRZ-TK

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Automotive, Backlight
• Type - Secondary: RGB, White LED
• Frequency: 600kHz, 1.2MHz
• Voltage - Supply: 4.5 V ~ 26.5 V
• Voltage - Output: *
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 40mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Curves
FIGURE 3. EFFICIENCY vs up to 20mA LED CURRENT
FIGURE 5. EFFICIENCY vs V
FIGURE 7. EFFICIENCY vs V
100
100
100
90
80
70
60
50
40
30
20
10
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)
(100% LED DUTY CYCLE) vs V
FREQUENCY AT 20mA (100% LED DUTY
CYCLE)
580k
+85°C
12V
5
5
5
IN
10
10
0°C
10
24V
8
I
LED(mA)
IN
IN
V
V
15
IN
15
IN
IN
vs SWITCHING
vs TEMPERATURE AT
15
1.2MHz
5V
20
-40°C
20
IN
20
IN
25
25
25
30
30
ISL97673
FIGURE 4. EFFICIENCY vs up to 30mA LED CURRENT
FIGURE 6. EFFICIENCY vs V
FIGURE 8. CHANNEL-TO-CHANNEL CURRENT
-0.10
-0.20
-0.30
-0.40
100
0.40
0.30
0.20
0.10
0.00
100
90
80
70
60
50
40
30
20
10
80
60
40
20
0
0
0
0
0
6P10S_30mA/CHANNEL
(100% LED DUTY CYCLE) vs V
FREQUENCY AT 30mA (100% LED DUTY
CYCLE)
MATCHING
580k
5
1
5
12V
IN
10
2
10
24V
15
CHANNEL
I
4.5 V
3
LED(mA)
IN
IN
V
15
IN
vs SWITCHING
IN
20
21 V
4
1.2MHz
20
5V
IN
25
IN
5
12 V
IN
25
30
IN
6
June 24, 2010
FN7633.0
35
30
7