ISL97672IRZ Intersil, ISL97672IRZ Datasheet - Page 6

• Manufacturer Part Number: ISL97672IRZ
• Description: IC LED DVR PWM CTRL 6CH 20QFN
• Manufacturer: Intersil

Specifications of ISL97672IRZ

• Constant Current: *
• Constant Voltage: *
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Automotive, Backlight
• Frequency: 200kHz ~ 1.5MHz
• 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

Electrical Specifications
NOTES:
10. Limits established by characterization and are not production tested.
Typical Performance Curves
FAULT PIN
8. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established
9. At maximum V
FIGURE 3. EFFICIENCY vs up to 20mA LED CURRENT
FIGURE 5. EFFICIENCY vs V
PARAMETER
LXstart_thres
ILXStartup
FLAG_ON
by characterization and are not production tested.
OVPfault
VOVPlo
V
I
FAULT
FAULT
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0
(100% LED DUTY CYCLE) vs V
FREQUENCY AT 20mA (100% LED DUTY
CYCLE)
580k
Overvoltage Limit on OVP Pin
OVP Short Detection Fault Level
Fault Flag
Fault Pull-down Current
Fault Clamp Voltage with Respect to V
LX Start-up Threshold
LX Start-up Current
12V
IN
5
5
of 26.5VV, minimum V
IN
10
10
24V
6
I
DESCRIPTION
LED(mA)
IN
IN
V
15
IN
vs SWITCHING
All specifications below are tested at T
otherwise noted. Boldface limits apply over the operating temperature range,
-40°C to +85°C. (Continued)
15
1.2MHz
5V
20
IN
OUT
20
IN
is 28V. Minimum V
25
ISL97672
IN
25
30
When Fault Occurs
V
V
VDC = 5.0V
IN
IN
= 12V
= 12, V
OUT
FIGURE 4. EFFICIENCY vs up to 30mA LED CURRENT
FIGURE 6. EFFICIENCY vs V
CONDITION
can be lower at lower V
A
IN
100
= +25°C; V
100
90
80
70
60
50
40
30
20
10
80
60
40
20
-V
0
0
0
FAULT
0
6P10S_30mA/CHANNEL
(100% LED DUTY CYCLE) vs V
FREQUENCY AT 30mA (100% LED DUTY
CYCLE)
580k
5
5
12V
IN
= 12V, EN = 5V, R
IN
10
(Note 8)
10
1.19
MIN
1.3
12
IN
6
1
24V
.
15
I
LED(mA)
IN
IN
V
15
IN
vs SWITCHING
TYP
20
400
0.4
1.4
3.5
21
7
1.2MHz
SET
20
5V
25
= 20.1kΩ, unless
(Note 8) UNIT
IN
MAX
1.25
8.3
1.5
IN
30
November 1, 2010
5
25
30
FN7632.1
35
30
mV
mA
µA
V
V
V
V