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LTC4280CUFD Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4280CUFD
Description  Hot Swap Controller with I2C Compatible Monitoring
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4280CUFD Datasheet(HTML) 4 Page - Linear Technology

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LTC4280
4
4280f
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDD = 12V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Other Pin Functions
VGPIO(OL)
GPIO Pin Output Low Voltage
IGPIO = 5mA
l
0.25
0.5
V
IGPIO(OH)
GPIO Pin Input Leakage Current
VGPIO = 15V
l
0
±1
μA
ISOURCE
SOURCE Pin Input Current
SOURCE = 15V
l
40
80
120
μA
tP(GATE)
Input (ON, OV, UV, EN) to GATE Off
Propagation Delay
l
35
μs
tD(GATE)
Turn-On Delay
ON
UV, OV, EN
Overcurrent Auto-Retry
l
l
l
50
2.5
1
100
5
2
150
75
μs
ms
s
VTIMERL(TH)
Timer Low Threshold
l
0.17
0.2
0.23
V
VTIMERH(TH)
Timer High Threshold
l
1.2
1.235
1.26
V
ITIMER(UP)
TIMER Pin Pull-Up Current
l
–80
–100
–120
μA
ITIMER(DOWN)
TIMER Pin Pulldown Current for OC Auto-Retry
l
1.4
2
2.6
μA
ITIMER(UP/DOWN) TIMER Current Up/Down Ratio
l
40
50
60
VFILTER(TH)
FILTER High Threshold
l
1.2
1.235
1.27
V
IFILTER
FILTER Timer Current
During OC FILTER = 0.5V
l
–7.5
–10
–12.5
μA
After OC FILTER = 0.5V
l
1
2
3.5
μA
During Startup FILTER = 0.5V
l
.03
0.6
1.2
mA
ADC
RES
Resolution (No Missing Codes)
l
8
Bits
INL
Integral Nonlinearity
VDD – SENSE (Note 5)
SOURCE
ADIN
l
l
l
–2
–1.25
–1.25
0.5
0.2
0.2
2
1.25
1.25
LSB
LSB
LSB
VOS
Offset Error (Note 4)
VDD – SENSE
SOURCE
ADIN
l
l
l
±2.0
±1.0
±1.0
LSB
LSB
LSB
TUE
Total Unadjusted Error
VDD – SENSE
SOURCE
ADIN
l
l
l
±5.5
±5.0
±5.0
LSB
LSB
LSB
FSE
Full-Scale Error
VDD – SENSE
SOURCE
ADIN
l
l
l
±5.5
±5.0
±5.0
LSB
LSB
LSB
VFS
Full-Scale Voltage (255 • VLSB)VDD – SENSE
SOURCE
ADIN
l
l
l
37.625
15.14
1.205
38.45
15.44
1.23
39.275
15.74
1.255
mV
V
V
RADIN
ADIN Pin Sampling Resistance
VADIN = 1.28V
l
12
MΩ
IADIN
ADIN Pin Input Current
VADIN = 1.28V
l
0
±0.1
μA
Conversion Rate
10
Hz



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