ISL97675IRZ-TK Intersil, ISL97675IRZ-TK Datasheet - Page 6

• Manufacturer Part Number: ISL97675IRZ-TK
• Description: IC LED DVR PWM CTRL 4CH 20QFN
• Manufacturer: Intersil
• Type: Backlight, White LEDr

Specifications of ISL97675IRZ-TK

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 4
• Internal Driver: Yes
• Type - Primary: Backlight
• Frequency: 600kHz, 1.2MHz
• Voltage - Supply: 4.5 V ~ 26 V
• Voltage - Output: 45V
• Mounting Type: Surface Mount
• Package / Case: 20-VQFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 30mA
• Internal Switch(s): Yes
• Efficiency: 92%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL97675IRZ-TKTR

Absolute Maximum Ratings
VIN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 28V
FAULT, EN . . . . . . . . . . . . . . . -0.3V to min(28, VIN + 0.3)V
FSW/PhaseShift, RFPWM/DirectPWM, OVP . . . . -0.3V to 5.5V
VDDIO, PWM, COMP . . . . . . . -0.3V to min(5.5, VIN + 0.3)V
ISET . . . . . . . . . . . . . . . . -0.3V to min(VDDIO + 0.3, 5.5)V
FB1, FB2, FB3, FB4. . . . . . . . . . . . . . . . . . . . . -0.3V to 45V
SW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 46V
PGND, AGND . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
Above voltage ratings are all with respect to AGND pin
ESD Rating
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
REGULATOR
4. θ
5. For θ
6. PSI
7. Refer to JESD51-7 high effective thermal conductivity board layout for proper via and plane designs.
Human Body Model (Tested per JESD22-A114E) . . . . . 3kV
Machine Model (Tested per JESD22-A115-A) . . . . . . . 300V
Charged Device Model . . . . . . . . . . . . . . . . . . . . . . . 1kV
V
I
IVIN_STBY
features. See Tech Brief TB379.
rating then the die junction temperature can be estimated more accurately than the θ
V
VDDIO_STBY
IN
SYMBOL
JA
UVLO_HYS
t
EN
V
V
(Note 9)
V
V
EN
ENLow
I
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach”
JT
UVLO
DDIO
OUT
VIN
LDO
JC
Low
is the PSI junction-to-top thermal characterization parameter. If the package top temperature can be measured with this
Hi
, the “case temp” location is the center of the exposed metal pad on the package underside.
Backlight Supply Voltage
V
Output Voltage
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
LDO Output Voltage
Standby Current
Driver Input Current
VDDIO LDO Dropout Voltage
Guaranteed Range for EN Input Low
Voltage
Guaranteed Range for EN Input High
Voltage
EN Low Time before Shut-Down
IN
Shutdown Current
6
PARAMETER
All specifications below are tested at T
unless otherwise noted. Boldface limits apply over the operating temperature range,
-40°C to +85°C.
(T
A
= +25°C)
ISL97675
EN = 0V
4.5V < V
F
6.75V < V
F
4.5V < V
F
V
EN = 0V
100% Dimming
V
I
VDDIO
SW
SW
SW
IN
IN
> 5.5V
>5.5V,
= 600kHz
= 1.2MHz
= 1.2MHz
CONDITION
= 20mA
Thermal Information
Thermal Resistance (Typical)
Thermal Characterization (Typical)
Maximum Continuous Junction Temperature . . . . . . +125°C
Storage Temperature . . . . . . . . . . . . . . . -65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . .see link below
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . -40°C to +85°C
IN
IN
20 Ld QFN Package (Notes 4, 5, 7) .
20 Ld QFN Package (Note 6) . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
IN
≤ 26V,
≤ 6.75V,
≤ 26V,
A
= +25°C; V
(Note 8)
MIN
IN
4.5
2.6
4.6
1.8
JC
= 12V, EN = 3.3V, R
and θ
JC
29.5
TYP
320
thermal resistance ratings.
3.1
4.8
30
9
θ
JA
(°C/W) θ
39
V
(Note 8)
ISET
IN
MAX
200
3.3
0.5
26
10
45
45
10
/0.15
5
PSI
= 19.6kΩ,
JC
JT
May 19, 2010
(°C/W)
(°C/W)
2.5
FN7630.0
3
UNIT
mV
mA
mV
ms
μA
µA
V
V
V
V
V
V
V
V