ISL78171 Datasheet, PDF (7/29 Pages) Intersil Corporation – 6-Channel, 50mA Automotive LED Driver with Ultra-high Dimming Ratio and Phase Shift Control

ISL78171
Electrical Specifications V_IN = 12V, EN = 5V, R_SET = 20.1kΩ, unless otherwise noted. Boldface limits apply across the operating
temperature range, -40°C to +105°C. (Continued)
PARAMETER
DESCRIPTION
TEST CONDITIONS
MIN
(Note 8) TYP
MAX
(Note 8)
UNIT
SMBus/I²C INTERFACE
V_IL
Data, Clock Input Low Voltage
V_IH
Data, Clock Input High Voltage
V_OL
SMBus/I²C Data Line Logic Low Voltage
I_LEAK
Input Leakage On SMBData/SMBClk
SMBus/I²C TIMING SPECIFICATIONS
I_PULLUP = 4mA
Measured at 4.8V
0.8
V
1.5
5.0
V
0.17
V
-10
10
µA
t_EN-SMB/I²C Minimum Time Between EN High and
1µF capacitor on VDC
2
ms
SMBus/I²C Enabled
PWS
Pulse Width Suppression on
SMBCLK/SMBDAT
0.15
0.45
µs
f_SMB
SMBus/I²C Clock Frequency
t_BUF
Bus Free Time Between Stop and Start
Condition
400
kHz
1.3
µs
t_HD:STA
Hold Time After (Repeated) START Condition.
After this Period, the First Clock is Generated
0.6
µs
t_SU:STA
Repeated Start Condition Setup Time
0.6
t_SU:STO
Stop Condition Setup Time
0.6
t_HD:DAT
Data Hold Time
300
t_SU:DAT
Data Setup Time
100
t_LOW
Clock Low Period
1.3
t_HIGH
Clock High Period
0.6
t_F
Clock/Data Fall Time
t_R
Clock/Data Rise Time
NOTES:
8. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
9. At maximum V_IN of 26.5V, minimum V_OUT is limited 28V.
µs
µs
ns
ns
µs
µs
300
ns
300
ns
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7
FN8602.0
June 15, 2015