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XRP7740ILB-0X180-F Datasheet(PDF) 4 Page - Exar Corporation

Part # XRP7740ILB-0X180-F
Description  Quad Channel Digital PWM Step Down Controllers
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRP7740ILB-0X180-F Datasheet(HTML) 4 Page - Exar Corporation

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Ch
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© 2012 Exar Corporation
4/28
Rev. 1.2.2
I2C Specification
Parameter
Min.
Typ.
Max.
Units
Conditions
I2C Speed
400
kHz
Based upon I2C master clock
Input Pin Low Level, VIL
1.0
V
Input Pin High Level, VIH
2.97
V
Hysteresis of Schmitt Trigger
Inputs, VHYS
0.165
V
Output Pin Low Level (open
drain or collector) VOL
0.4
V
ISINK=3mA
Input Leakage Current
-10
10
µA
Input is between 0.33V and 2.97V
Output Fall Time from VIHMIN to
VILMAX
20+0.1Cb2
250
ns
With a bus capacitance from 10pF to
400pF
Capacitance for each I/O Pin
10
pF
Note 2: Cb is the capacitance one one bus in pF
Gate Drivers
Parameter
Min.
Typ.
Max.
Units
Conditions
GH, GL Rise and Fall Time
30
ns
At 10% to 90% of full scale pulse.
1nF Cload
GH, GL Pull-up On-State Output
Resistance
5
XRP7708
GH, GL Pull-up On-State Output
Resistance
3
XRP7740
GH, GL Pull-down On-State
Output Resistance
1.8
Both XRP7708 and XRP7740
GH, GL Pull-down Off-State
Output Resistance
50
kΩ
VIN=VCCD=0V


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