ISL97675IRZ-TK Intersil, ISL97675IRZ-TK Datasheet - Page 10

• 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 11. IN-RUSH AND LED CURRENT AT V
FIGURE 7. CURRENT LINEARITY vs LOW LEVEL PWM
FIGURE 9. V
0.60
0.55
0.50
0.45
0.40
1.0
0.8
0.6
0.4
0.2
0
0
0
DIMMING DUTY CYCLE vs V
20mA
FOR 4P12S AT 20mA/CHANNEL
HEADROOM
1
5
0°C
10
2
vs V
10
DC (%)
IN
V
IN
15
vs TEMPERATURE AT
3
(V)
12V
+25°C
IN
20
4
IN
25
IN
5
= 6V
4.5V
-40°C
ISL97675
(Continued)
IN
30
6
FIGURE 10. V
FIGURE 12. IN-RUSH AND LED CURRENT AT V
FIGURE 8. QUIESCENT CURRENT vs V
10
9
8
7
6
5
0
ENABLED
AT 20mA/CHANNEL
FOR 4P12S AT 20mA/CHANNEL
5
OUT
RIPPLE VOLTAGE, V
10
V
IN
15
(V)
20
IN
IN
= 12V, 4P12S
WITH PART
25
IN
May 19, 2010
= 12V
FN7630.0
30