ISL97673IRZ-TK Intersil, ISL97673IRZ-TK Datasheet - Page 9

• 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 11. V
FIGURE 13. IN-RUSH AND LED CURRENT AT V
FIGURE 9. CURRENT LINEARITY vs LOW LEVEL PWM
1.2
1.0
0.8
0.6
0.4
0.2
0
0
DIMMING DUTY CYCLE vs V
AT 20mA/CHANNEL
FOR 6P12S AT 20mA/CHANNEL
OUT
1
RIPPLE VOLTAGE, V
2
9
DC
3
12 V
IN
IN
4
IN
= 12V, 6P12S
4.5 V
5
IN
IN
= 12V
(Continued)
6
ISL97673
FIGURE 12. IN-RUSH and LED CURRENT AT V
FIGURE 14. LINE REGULATION WITH V
0.60
0.55
0.50
0.45
0.40
FIGURE 10. V
0
FOR 6P12S AT 20mA/CHANNEL
FROM 6V TO 26V, V
20mA/CHANNEL
5
0°C
HEADROOM
10
V
IN
15
(V)
IN
vs V
+25°C
= 12V, 6P12S AT
IN
20
AT 20mA
IN
CHANGE
25
IN
-40°C
June 24, 2010
= 6V
FN7633.0
30