ISL97632IRT14Z-TK Intersil, ISL97632IRT14Z-TK Datasheet - Page 2

• Manufacturer Part Number: ISL97632IRT14Z-TK
• Description: IC LED DRIVR WHITE BCKLGT 8-TDFN
• Manufacturer: Intersil
• Type: Backlight, White LEDr

Specifications of ISL97632IRT14Z-TK

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Automotive, Backlight
• Type - Secondary: White LED
• Frequency: 1.3MHz ~ 1.6MHz
• Voltage - Supply: 2.4 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 70mA
• Internal Switch(s): Yes
• Efficiency: 86%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -

Electrical Specifications
Absolute Maximum Ratings
Input Voltage
LX Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 28V
FBSW Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 28V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed over temperature of -40°C to +85°C unless otherwise stated. Typical values are for
information purposes only at TJ = TC = TA
NOTES:
1. θ
2. For θ
PARAMETER
t
t
R
LOGIC-LOAD
LOGIC-HIGH
SW(FBSW)
R
t
t
Tech Brief TB379.
V
LOGIC
LOGIC
DMAX
ILEAK
JA
SW(LX)
DIODE
OVP
VFB
Fsw
I
V
IFB
VIH
VIL
I
LIM
IN
IN
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
JC
1
0
, the “case temp” location is the center of the exposed metal pad on the package underside.
(
V
IN )
Supply Voltage
Supply Current
Switching Frequency
Maximum Duty Cycle
LX Current
LX Switch ON-Resistance
LX Switch Leakage Current
Feedback Voltage
FB Pin Bias Current
FBSW Switch ON-Resistance
Schottky Diode Forward
Voltage
Overvoltage Protection
Logic Low Voltage
Logic High Voltage
Timing Range for Logic 1
Timing Range for Logic 0
Timing Range for Load
Minimum Valid SDIN High
Time
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V
DESCRIPTION
2
V
Temperature limits established by characterization and are not production tested.
=
IN
(T
+25°C.
= V
A
= +25°C)
EN
= 3V. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified.
EN = 3V, enabled, not switching
EN = 0V, disabled
ILX = 100mA
VLX = 28V
Serial interface setting = 15 (center)
Serial interface setting = S (S = 0,1 ..31)
Serial interface setting = 0
VFB = 95mV
IDIODE = 100mA, T
ISL97632IRT14Z
ISL97632IRT18Z
ISL97632IRT26Z
SDIN = low
SDIN = low
SDIN = low
SDIN = high
CONDITION
ISL97632
A
= +25°C
Thermal Information
Thermal Resistance (Typical, Note 1, 2)
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +125°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
TDFN Package . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
1,300
MIN
400
600
215
2.4
1.5
90
90
14
18
26
15
90
3
9.8 + 5.68 x S
1,450
TYP
470
900
0.8
9.8
95
95
10
θ
JA
1,600
MAX
(°C/W)
70
100
850
120
5.5
1.5
0.6
28
45
1
1
1
March 22, 2010
θ
JC
UNIT
10.5
kHz
mΩ
FN9239.3
mA
mA
mV
mV
mV
mV
(°C/W)
µA
µA
µA
µs
µs
µs
µs
%
Ω
V
V
V
V
V
V