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LTC1643AL Datasheet(PDF) 3 Page - Linear Technology

Part # LTC1643AL
Description  PCI-Bus Hot Swap Controller
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1643AL Datasheet(HTML) 3 Page - Linear Technology

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LTC1643AL
LTC1643AL-1/LTC1643AH
1643afb
DC ELECTRICAL CHARACTERISTICS
TYPICAL PERFORMANCE CHARACTERISTICS
3.3V and 5V Current
Foldback Profile
OUTPUT VOLTAGE (V)
0
11
10
9
8
7
6
5
4
3
2
1
0
4
1643A G01
1
2
3
5
RSENSE = 0.005Ω
3VOUT
5VOUT
OUTPUT VOLTAGE (V)
0
1.0
0.5
0
–8
–10
1643A G03
–2
–4
–6
–12
OUTPUT VOLTAGE (V)
0
1.0
0.5
0
810
1643A G02
2
4
6
12
12V Current Foldback Profile
– 12V Current Foldback Profile
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VTH
Power-Good Threshold Voltage
V3VOUT
0
°C ≤ TA ≤ 70°C
●
2.8
2.9
3.0
V
–40
°C ≤ TA ≤ 85°C
●
2.75
2.9
3.0
V
V5VOUT
0
°C ≤ TA ≤ 70°C
●
4.5
4.65
4.75
V
–40
°C ≤ TA ≤ 85°C
●
4.4
4.65
4.75
V
VIL
Input Low Voltage
ON/ON, FAULT
●
0.8
V
VIH
Input High Voltage
ON/ON, FAULT
●
2V
VOL
Output Low Voltage
FAULT, PWRGD, I = 3mA
●
0.4
V
IIN
ON/ON Pin Input Current
ON/ON = GND
●
± 0.08
±10
µA
ON/ON= 12VIN
●
± 0.08
±10
µA
5VSENSE Input Current
5VSENSE = 5V
●
50
100
µA
3VSENSE Input Current
3VSENSE = 3V
●
50
100
µA
5VIN Input Current
5VIN = 5V
●
460
700
µA
3VIN Input Current
3VIN = 3V
●
320
600
µA
5VOUT Input Current
5VOUT = 5V, ON = 3V, ON = GND
●
240
500
µA
3VOUT Input Current
3VOUT = 3.3V, ON = 3V, ON = GND
●
220
500
µA
RDIS
5VOUT Discharge Impedance
ON = GND or ON = 3V
100
Ω
3VOUT Discharge Impedance
ON = GND or ON = 3V
70
Ω
12VOUT Discharge Impedance
ON = GND or ON = 3V
450
Ω
VEEOUT Discharge Impedance
ON = GND or ON = 3V
1600
Ω
ITIMER
TIMER Pin Current
Timer On, VTIMER = GND
●
–15
–22
–27
µA
Timer Off, VTIMER = 5V
45
mA
VTIMER
TIMER Threshold Voltage
(V12VIN – VTIMER)
●
0.5
0.9
1.3
V
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.
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.
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
V12VIN = 12V, VEEIN = – 12V, V3VIN = 3.3V, V5VIN = 5V (Note 2)



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