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LTC1644IGN 数据表(PDF) 3 Page - Linear Technology

部件名 LTC1644IGN
功能描述  CompactPCI Bus Hot Swap Controller
PDF  24 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1644IGN 数据表(HTML) 3 Page - Linear Technology

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LTC1644
3
1644f
VTH
Power Good Threshold Voltage
12VOUT
q
10.8
11.1
11.4
V
VEEOUT
q
– 10.4
– 10.5
– 11.1
V
3VOUT
q
2.8
2.9
3.0
V
5VOUT
q
4.50
4.62
4.75
V
V3VONLY
3V Only Window Voltage
V3VONLY = V5VIN – V3VIN, V5VOUT = V3VOUT = 3V
q
50
107
200
mV
VNOVEEIN
No VEEIN Threshold Voltage
VEEIN
q
– 4
– 4.6
– 6.3
V
VIL
Input Low Voltage
OFF/ON, RESETIN, FAULT
q
0.8
V
VIH
Input High Voltage
OFF/ON, RESETIN, FAULT
q
2V
IIN
OFF/ON, RESETIN Input Current
OFF/ON, RESETIN = 0V
q
±0.08
±10
µA
OFF/ON, RESETIN = 12VIN
q
±0.08
±10
µA
RESETOUT, FAULT Output Current
RESETOUT, FAULT = 5V, OFF/ON = 0V, RESETIN = 3.3V
q
±0.08
±10
µA
PWRGD Output Current
PWRGD = 5V, OFF/ON = 4V
q
±0.08
±10
µA
5VSENSE Input Current
5VSENSE = 5V, 5VOUT = 0V
q
55
100
µA
3VSENSE Input Current
3VSENSE = 3.3V, 3VOUT = 0V
q
55
100
µA
5VIN Input Current
5VIN = 5V, TIMER = 0V
q
1
1.5
mA
3VIN Input Current
3VIN = 3.3V, TIMER = FLOAT
q
490
625
µA
3VIN = 3.3V, TIMER = 0V
q
380
550
µA
5VOUT Input Current
5VOUT = 5V, OFF/ON = 0V, TIMER = 0V
q
102
400
µA
3VOUT Input Current
3VOUT = 3.3V, OFF/ON = 0V, TIMER = 0V
q
161
500
µA
ITIMER
TIMER Pin Current
OFF/ON = 0V, VTIMER = 0V
q
–15
– 21
–27
µA
VTIMER = 5V, OFF/ON = 4V
q
30
45
70
mA
VTIMER
TIMER Threshold Voltages
(V12VIN – VTIMER), FAULT = 0V
q
0.5
1
1.3
V
RDIS
5VOUT Discharge Impedance
OFF/ON = 4V
q
45
100
Ω
3VOUT Discharge Impedance
OFF/ON = 4V
q
60
100
Ω
12VOUT Discharge Impedance
OFF/ON = 4V
q
430
1000
Ω
VEEOUT Discharge Impedance
OFF/ON = 4V
q
625
1000
Ω
VOL
Output Low Voltage
PWRGD, RESETOUT, FAULT, I = 3mA
q
0.4
V
VPXG
PRECHARGE Reference Voltage
V5VIN = 5V
q
0.95
1.00
1.05
V
V5VIN = V3VIN = 3.3V
q
0.95
1.00
1.05
V
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
V12VIN = 12V, VEEIN = –12V, V3VIN = 3.3V, V5VIN = 5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to ground unless otherwise
specified.



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