ISL97635AIRZ-T Intersil, ISL97635AIRZ-T Datasheet - Page 5

• Manufacturer Part Number: ISL97635AIRZ-T
• Description: IC LED DRVR WHT/RGB BCKLGT 24QFN
• Manufacturer: Intersil
• Type: Backlight, White LED, RGBr

Specifications of ISL97635AIRZ-T

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• 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

Electrical Specifications
Eff_peak
ΔI
D
D
F
F
ILX_leakage
REFERENCE
I
I
FAULT DETECTION
V
V
V
OVP
OVP
SMBus INTERFACE
VIL
VIH
VOL
I
V
SMBus TIMING SPECIFICATIONS (Note 4)
f
t
t
t
t
t
MATCH
ACC
LEAK
SMB
BUF
HD:STA
SU:STA
SU:STO
HD:DAT
OSC_hi
OSC_lo
max
min
SC
temp_acc
OVPlo
DD
OUT
PARAMETER
hys
fault
/ΔV
IN
Peak Efficiency
Line Regulation
Boost Maximum Duty Cycle
Boost Minimum Duty Cycle
LX Frequency
LX Frequency
LX Leakage Current
Channel-to-Channel Current Matching
Current Accuracy
Short Circuit Threshold
Over-Temperature Threshold Accuracy
Overvoltage Limit on OVP Pin
OVP Hysteresis
OVP Short Detection Fault Level
Guaranteed Range for Data, Clock Input Low
Voltage
Guaranteed Range for Data, Clock Input High
Voltage
SMBus Data Line Logic Low Voltage with 1.1kΩ
Series Resistor from Data Bus to SMBDAT pin
SMBus Data Line Logic Low Voltage without Series
Resistor from Data Bus to SMBDAT Pin
Input Leakage on SMBData/SMBClk
Nominal Bus Voltage
SMBus Clock Frequency
Bus Free Time between STOP and START Condition
Hold Time after (Repeated) START Condition. After
this Period, the First Clock is Generated.
Repeated Start Condition Setup Time
Stop Condition Setup Time
Data Hold Time
5
All specifications below are tested at T
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. (Continued)
DESCRIPTION
ISL97635A
A
= -40°C to +85°C; V
V
with DCR 106mΩ, T
V
with DCR 106mΩ, T
V
with DCR 106mΩ, T
Register 0x08, f
Register 0x08, f
VLX = 36V, EN = 0
I
Reg0x08 = 0x0F or 0x0B Reg0x00 = 0xFF
Reg0x08 = 0x0E or 0x0A Reg0x00 = 0xFF
I
I
3V to 5V ±10%
OUT
PULLUP
PULLUP
IN
IN
IN
= 18V, 54 LEDs, 20mA each, L = 8.2µH
= 12V, 54 LEDs, 20mA each, L = 8.2µH
= 6V, 54 LEDs, 20mA each, L = 8.2µH
= 30mA, BRT = 255
= 350µA
= 4mA
CONDITION
SW
SW
= 1
= 0
IN
A
A
A
= +25°C
= +25°C
= +25°C
= 12V, EN = 5V, R
SET
1.17
MIN TYP MAX UNIT
550
-3.5
300
= 36.6kΩ, unless
1.0
7.8
2.8
2.1
2.7
4.7
4.0
4.7
4.0
82
10
-1
600
300
0.1
1.2
3.1
1.2
91
88
86
±1
±3
20
7
8
5
December 22, 2008
VDD
+3.5
1.23
0.17
650
100
1.3
8.8
3.8
0.8
0.4
5.5
10
1
FN6564.2
MHz
kHz
kHz
mV
mV
µA
°
µA
µs
µs
µs
µs
ns
%
%
%
%
%
%
%
%
V
V
V
V
V
V
V
V
C