ISL97635IRZ-T Intersil, ISL97635IRZ-T Datasheet - Page 7

• Manufacturer Part Number: ISL97635IRZ-T
• Description: IC LED DRVR WHT/RGB BCKLGT 24QFN
• Manufacturer: Intersil
• Type: Backlight, White LED, RGBr

Specifications of ISL97635IRZ-T

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 8
• Internal Driver: Yes
• Type - Primary: Automotive, Backlight
• Type - Secondary: RGB, White LED
• Frequency: 600kHz, 1.2MHz
• Voltage - Supply: 6 V ~ 24 V
• Voltage - Output: 34.5V
• Mounting Type: Surface Mount
• Package / Case: 24-VQFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 35mA
• Internal Switch(s): Yes
• Efficiency: 91%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
Typical Performance Curves
FAULT PIN
I
V
IlxStart-up
FAULT
FAULT
FIGURE 2. EFFICIENCY, L = 8.2µH WITH DCR = 106mΩ,
FIGURE 4. 3 EFFICIENCY, L = 10µH WITH DCR = 500mΩ,
PARAMETER
92
90
88
86
84
82
80
78
76
74
72
70
68
66
92
90
88
86
84
82
80
78
76
74
72
70
68
66
0
0
9S8P - 6V
7S6P - 12V
7S6P - 18V
C
1mm, C
20
7S8P - 12V
20
O
9S6P - 6V
9S8P - 12V
9S8P - 6V
= 4x4.7µF/50V
7S8P - 6V
7S8P - 6V
7S6P - 6V
40
40
Fault Pull-down Current
Fault Clamp Voltage with Respect to V
Lx Start-up Current
9S8P - 18V
9S6P - 6V
O
9S6P - 12V
= 4µFx4.7µF/50V
60
60
7S6P - 18V
7S8P - 6V
7S8P - 6V
9S8P - 12V
80
9S6P - 12V
80
I
I
7S6P - 12V
O
7
O
(mA)
All specifications below are tested at T
unless otherwise noted. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise
specified. Temperature limits established by characterization and are not production tested. (Continued)
(mA)
7S6P - 6V
100
100
7S8P - 12V
9S6P - 18V
DESCRIPTION
120
120
L = 8.2µH
IHLP-2525BD-01
DCR = 106mΩ
I
9S6P - 18V
SAT
L = 10µH
DCR = ~500mΩ
<1mm HEIGHT
7S8P - 18V
7S8P - 18V
= 3A
140
140
9S8P - 18V
160
160
IN
180
180
ISL97635
A
= -40°C to +85°C; V
FIGURE 3. EFFICIENCY, L = 10µH WITH DCR = 129mΩ,
V
V
VDC = 5.2V
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
1.2
1.0
0.8
0.6
0.4
0.2
0.0
IN
IN
92
90
88
86
84
82
80
78
76
74
72
70
68
66
= 12V
= 12, V
4
0
9S8P - 6V
7S6P - 18V
6
CONDITION
FIGURE 5. CURRENT REGULATION
IN
20
C
9S6P - 6V
-V
O
8
IN
FAULT
= 4x4.7µF/50V
7S8P - 6V
7S8P - 6V
= 12V, EN = 5V, R
40
10
7S6P - 6V
9S6P - 12V
12
60
20mA
9S6P - 18V
9S8P - 12V
14
V
80
IN
I
O
9S8P - 18V
(V)
(mA)
16
7S8P - 12V
MIN
100
10
SET
1
18
7S6P - 12V
= 36.6kΩ,
120
L = 10µH
IHLP-2525BD-01
DCR = 129mΩ
I
SAT
20
TYP
7.5
2.7
18
= 2.5A
140
22
7S8P - 18V
December 22, 2008
MAX
30
24
160
7
26
180
FN6434.2
UNIT
mA
µA
V