isl97635 Intersil Corporation, isl97635 Datasheet - Page 5

• Manufacturer Part Number: isl97635
• Description: Smbus 8-channel Led Driver
• Manufacturer: Intersil Corporation

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
OSC_hi
OSC_lo
MATCH
ACC
LEAK
SMB
BUF
HD:STA
SU:STA
SU:STO
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 Accuracy
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
5
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. (Continued)
DESCRIPTION
ISL97635
A
= -40°C to +85°C; V
V
each, L = 8.2µH with DCR
106mΩ, T
VIN = 12V, 54 LEDs, 20mA
each, L = 8.2µH with DCR
106mΩ, T
VIN = 6V, 54 LEDs, 20mA
each, L = 8.2µH with DCR
106mΩ, T
Register 0x08, f
Register 0x08, f
I
Reg0x08 = 0x0F or 0x0B
Reg0x00 = 0xFF
Reg0x08 = 0x0E or 0x0A
Reg0x00 = 0xFF
I
I
3V to 5V ±10%
VLX = 36V, EN = 0
OUT
PULLUP
PULLUP
IN
= 18V, 54 LEDs, 20mA
= 30mA, BRT = 255
= 350µA
= 4mA
CONDITION
A
A
A
= +25°C
= +25°C
= +25°C
IN
SW
SW
= 12V, EN = 5V, R
= 1
= 0
1.17
MIN
550
-3.5
1.0
7.8
2.8
2.1
2.7
4.7
4.0
4.7
4.0
82
10
SET
-1
= 36.6kΩ,
TYP
600
300
0.1
1.2
3.1
1.2
91
88
86
±1
±3
20
7
8
5
December 22, 2008
MAX
VDD
+3.5
1.23
0.17
650
100
1.3
8.8
3.8
0.8
0.4
5.5
10
1
FN6434.2
UNIT
MHz
kHz
kHz
mV
mV
µA
µA
°C
µs
µs
µs
µs
%
%
%
%
%
%
%
%
V
V
V
V
V
V
V
V