ISL97672AIRZ Intersil, ISL97672AIRZ Datasheet - Page 6

• Manufacturer Part Number: ISL97672AIRZ
• Description: 6-Ch LED Driver With PWM Dimming. Vsc 7.5V Min
• Manufacturer: Intersil
• Series: -r

Specifications of ISL97672AIRZ

• Constant Current: -
• Constant Voltage: -
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: -
• Frequency: 200kHz ~ 1.5MHz
• Voltage - Supply: 4.5 V ~ 26.5 V
• Voltage - Output: 45V
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Electrical Specifications
NOTES:
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 by characterization
9. At maximum V
LXstart_thres
PARAMETER
FIGURE 3. EFFICIENCY vs UP TO 20mA LED CURRENT (100% LED
FIGURE 5. EFFICIENCY vs V
and are not production tested.
ILX
V
I
FAULT
FAULT
Startup
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0
DUTY CYCLE) vs V
20mA (100% LED DUTY CYCLE)
IN
580k
Fault Pull-down Current
Fault Clamp Voltage with Respect to V
LX Start-up Threshold
LX Start-up Current
of 26.5V, minimum V
5
12V
5
IN
10
IN
10
IN
6
24V
vs SWITCHING FREQUENCY AT
I
LED(mA)
IN
V
15
DESCRIPTION
IN
All specifications are tested at T
OUT
15
1.2MHz
is 28V. Minimum V
20
5V
IN
20
25
IN
ISL97672A
OUT
25
30
can be lower at lower V
A
V
V
VDC = 5.0V
= +25°C, V
IN
IN
= 12V
= 12, V
FIGURE 4. EFFICIENCY vs UP TO 30mA LED CURRENT (100% LED
FIGURE 6. EFFICIENCY vs V
CONDITION
IN
IN
- V
= 12V, EN = 5V, R
100
100
FAULT
90
80
70
60
50
40
30
20
10
80
60
40
20
0
0
0
IN
0
.
6P10S_30mA/CHANNEL
DUTY CYCLE) vs V
30mA (100% LED DUTY CYCLE)
580k
5
5
12V
SET
IN
10
= 20.1kΩ, unless otherwise noted.
(Note 8)
10
MIN
0.9
12
6
1
IN
IN
24V
vs SWITCHING FREQUENCY AT
15
I
LED(mA)
IN
V
15
IN
TYP
3.5
20
21
7
1.2MHz
20
5V
IN
25
(Note 8)
MAX
8.3
1.2
30
5
25
30
May 2, 2011
FN7710.2
UNIT
30
35
mA
µA
V
V