ISL97675IRZ-TK Intersil, ISL97675IRZ-TK Datasheet - Page 9

• Manufacturer Part Number: ISL97675IRZ-TK
• Description: IC LED DVR PWM CTRL 4CH 20QFN
• Manufacturer: Intersil
• Type: Backlight, White LEDr

Specifications of ISL97675IRZ-TK

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 4
• Internal Driver: Yes
• Type - Primary: Backlight
• Frequency: 600kHz, 1.2MHz
• Voltage - Supply: 4.5 V ~ 26 V
• Voltage - Output: 45V
• Mounting Type: Surface Mount
• Package / Case: 20-VQFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 30mA
• Internal Switch(s): Yes
• Efficiency: 92%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL97675IRZ-TKTR

Typical Performance Curves
FIGURE 3. EFFICIENCY vs V
FIGURE 5. EFFICIENCY vs V
100
100
100
90
80
70
60
80
60
40
20
80
60
40
20
FIGURE 1. EFFICIENCY vs 20mA LED CURRENT
0
0
0
0
0
(100% LED DUTY CYCLE) for 4P12S vs V
-40°C
+25°C
FREQUENCY AT 20mA for 4P12S (100%
LED DUTY CYCLE)
20mA
5
5
20mA/582kHz
5V
IN
+85°C
10
10
10
12V
I
9
V
LED
IN
IN
V
IN
IN
15
IN
(mA)
(V)
vs SWITCHING
vs TEMPERATURE AT
(V)
15
20mA/1.2MHz
20
20
24V
IN
20
0°C
25
IN
ISL97675
30
30
25
FIGURE 2. EFFICIENCY vs 30mA LED CURRENT
FIGURE 4. EFFICIENCY vs V
FIGURE 6. CHANNEL-TO-CHANNEL CURRENT
100
100
-0.05
-0.10
-0.15
-0.20
-0.25
0.25
0.20
0.15
0.10
0.05
0.00
80
60
40
20
80
60
40
20
0
0
0
0
0
(100% LED DUTY CYCLE) for 4P10S vs V
FREQUENCY AT 30mA for 4P10S(100% LED
DUTY CYCLE)
MATCHING
12V
30mA/582kHz
IN
1
5V
10
IN
10
I
2
12V
LED
V
CHANNEL
IN
IN
20
IN
(mA)
(V)
vs SWITCHING
30mA/1.2MHz
21V
24V
4.5V
3
20
IN
IN
IN
30
4
May 19, 2010
FN7630.0
IN
40
30