ISL97632 Intersil Corporation, ISL97632 Datasheet - Page 2

• Manufacturer Part Number: ISL97632
• Description: White LED Driver
• Manufacturer: Intersil Corporation

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: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
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
NOTE:
Electrical Specifications
1. θ
2. For θ
PARAMETER
t
t
R
LOGIC-LOAD
LOGIC-HIGH
Tech Brief TB379.
R
SW(FBSW)
t
t
V
LOGIC
LOGIC
JA
DMAX
ILEAK
SW(LX)
DIODE
OVP
VFB
Fsw
I
VIH
V
IFB
VIL
I
LIM
IN
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
IN
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
=
IN
(T
+25°C.
A
= V
= +25°C)
EN
= 3V
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)
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +125°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Lead Temperature (Soldering 10s) . . . . . . . . . . . . . . . . . . . . +300°C
TDFN Package (Notes 1, 2). . . . . . . . .
1,300
MIN
400
600
215
2.4
1.5
90
14
18
26
90
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
100
850
120
(°C/W)
70
5.5
1.5
0.6
28
45
1
1
1
θ
April 10, 2007
JC
UNIT
kHz
10.5
mΩ
mA
mA
mV
mV
mV
mV
μA
μA
μA
FN9239.2
μs
μs
μs
μs
(°C/W)
%
V
Ω
V
V
V
V
V