ISL97635IRZ-T Intersil, ISL97635IRZ-T Datasheet - Page 4

• 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

Absolute Maximum Ratings
VIN, FAULT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 24V
VDC, COMP, RSET . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
SMBCLK, SMBDAT, FPWM, PWMO, EN/PWM . . . . . -0.3V to 6.5V
OVP, IIN0 - IIN7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 28V
LX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 36V
PGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
Above voltage ratings are all with respect to GND pin
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: T
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.
NOTES:
Electrical Specifications
GENERAL
V
I
V
V
V
REGULATOR
V
I
I
V
SS
ENmin
BOOST
SWILimit
r
1. θ
2. For θ
3. PSI
4. Limits established by characterization and are not production tested.
VIN_STBY
VDC_STBY
VDC
DS(ON)
IN
OUT
UVLO
UVLO_HYS
DC
LDO
PARAMETER
Brief TB379.
die junction temperature can be estimated more accurately than the θ
JA
JT
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
JC
is the PSI junction-to-top thermal characterization parameter. If the package top temperature can be measured with this rating then the
, the “case temp” location is the center of the exposed metal pad on the package underside.
Backlight Supply Voltage
VIN Shutdown Current
Output Voltage
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
LDO Output Voltage
Standby Current
Active Current
VDC LDO Dropout Voltage
Soft-Start
Minimum Enable Signal
Boost FET Current Limit
Internal Boost Switch ON-Resistance
4
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.
(T
A
= +25°C)
DESCRIPTION
J
= T
C
= T
ISL97635
A
JC
A
= -40°C to +85°C; V
and θ
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θ
Thermal Characterization (Typical, Note 3)
Maximum Continuous Junction Temperature . . . . . . . . . . . . +125°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below
24 Ld QFN . . . . . . . . . . . . . . . . . . . . . .
24 Ld QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
≤ 9 LEDs per channel
(3.5V/30mA type)
V
EN/PWM = 0V
V
T
T
EN/PWM = 5V
JC
A
A
IN
IN
= +25°C
= -40°C to +85°C
thermal resistance ratings.
> 6V
> 5.5V, 30mA
CONDITION
IN
= 12V, EN = 5V, R
2.45
MIN
5.0
2.3
2.2
SET
6
= 36.6kΩ,
JA
TYP
300
130
10
30
40
1
(°C/W)
39
December 22, 2008
MAX
34.5
200
260
2.8
5.5
3.2
24
20
5
PSI
θ
JC
~0.7
JT
FN6434.2
(°C/W)
(°C/W)
UNIT
2
mΩ
mV
mA
mV
ms
µA
µA
µs
V
V
V
V
A
A