ISL97631IHTZ-T7A Intersil, ISL97631IHTZ-T7A Datasheet - Page 2

• Manufacturer Part Number: ISL97631IHTZ-T7A
• Description: IC LED DRIVR WHITE BCKLGT TSOT-6
• Manufacturer: Intersil
• Type: Backlight, White LEDr

Specifications of ISL97631IHTZ-T7A

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 800kHz ~ 1.8MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 27V
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-6, TSOT-6
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 30mA
• Internal Switch(s): Yes
• Efficiency: 85%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Absolute Maximum Ratings
Input Voltage (V
LX, Vout Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +27V
FB Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
ENAB Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . .-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 the specified temperature range. All parameters are based on pulsed tests,
therefore: T
NOTE:
Electrical Specifications
1. θ
PARAMETER
I
LEAK(VOUT)
∆I
V
I
V
V
LEAK(LX)
V
r
V
LED
ENAB-LO
JA
DS(ON)
ENAB-HI
I
D
IN-MAX
F
IN-MIN
DIODE
ENAB
V
I
I
OSC
MAX
I
LIM
Eff
FB
FB
IN
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
/∆V
J
= T
IN
C
IN
= T
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
Minimum Operating Voltage
Maximum Operating Voltage
Feedback Voltage
FB Pin Bias Current
Supply Current
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch On Resistance
Switch Leakage Current
Diode Leakage Current
LX-V
ENAB Voltage High
ENAB Voltage Low
ENAB Pin Bias Current
Line Regulation
Efficiency
A
OUT
Diode Forward Voltage
DESCRIPTION
2
V
IN
(T
A
= 3V, V
= 25°C)
ENAB
= 3V, T
A
V
V
ENAB = 3V, output not switching
ENAB = 0V
T
T
I
V
V
I
V
I
LX
DIODE
LED
= -40°C to 85°C unless otherwise specified.
A
A
OUT
OUT
LX
OUT
IN
= 25°C
= 25°C
= 100mA
ISL97631
= 2.7V to 5V
= 27V, Vout = 27V
= 20mA, 3 LEDs
= 16V, I
= 25V, I
= 27V
= 100mA, T
LED
LED
CONDITION
Thermal Information
Thermal Resistance (Typical, Note 1)
Maximum Junction Temperature (Plastic Package . . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Maximum Lead Temperature (Soldering, 10s). . . . . . . . . . . . +300°C
= 20mA
= 20mA
6 Ld TSOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(TSOT - Lead Tips Only)
A
= 25°C
MIN
280
250
2.7
0.8
2.5
80
85
82
TYP
1.35
0.01
0.01
0.75
100
350
350
750
0.6
0.2
90
90
85
MAX
120
100
5.5
1.0
1.8
0.9
0.6
December 21, 2005
1
1
1
1
θ
JA
190
FN7370.1
UNIT
(°C/W)
MHz
%/V
mΩ
mV
mA
mA
mA
nA
µA
µA
µA
µA
%
%
%
V
V
V
V
V