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LTC4245 Datasheet(PDF) 6 Page - Linear Technology

Part # LTC4245
Description  Multiple Supply Hot Swap Controller with I2C Compatible Monitoring
Download  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4245 Datasheet(HTML) 6 Page - Linear Technology

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LTC4245
6
4245fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tSU, DAT(MIN)
Minimum Data Set-Up Time Input
0
100
ns
tHD, DATI(MIN)
Minimum Data Hold Time Input
–100
0
ns
tHD, DATO(MIN)
Minimum Data Hold Time Output
300
500
900
ns
tSP(MAX)
Maximum Suppressed Spike Pulse Width
50
110
250
ns
CX
SCL, SDA Input Capacitance
5
10
pF
tof
Data Output Fall Time
(Note 9)
20 + 0.1Cb
250
ns
The denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. V12VIN = 12V, V5VIN = 5V, V3VIN = 3.3V, VVEEIN = –12V, unless otherwise noted.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to GND unless otherwise
specified.
Note 3: The 5VGATE and 3VGATE pins should not be driven beyond the
lower of 12VIN + 0.3V and 14V.
Note 4: An internal clamp limits the GATE pins to a minimum of 5V above
VOUT (VEEIN for VEEGATE). Driving this pin to voltages beyond the clamp
may damage the device.
Note 5: The device pulls up the VEEOUT pin to 0.6V when pin is in open state.
Note 6: UHF package specification limits are identical to G package limits
and guaranteed by design and by correlation to wafer test measurements.
Note 7: Guaranteed by design and not subject to test.
Note 8: Integral Nonlinearity is defined as the deviation of a code from a
precise analog input voltage. Maximum specifications are limited by the
LSB step size and the single shot measurement. Typical specifications are
measured from 1/4, 1/2, 3/4 areas of the quantization band.
Note 9: Cb = total capacitance of one bus line in pF.
TI I G DIAGRA
tSU, DAT
tSU,STO
tSU,STA
tBUF
tHD,STA
tSP
tSP
tHD,DATO,
tHD,DATI
tHD,STA
tof
START
CONDITION
STOP
CONDITION
REPEATED START
CONDITION
START
CONDITION
SDA
SCL
4245 TDO1
ELECTRICAL CHARACTERISTICS


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