參數(shù)資料
型號: LTC1643AL-1
廠商: Linear Technology Corporation
英文描述: RECTIFIER STANDARD SINGLE 5A 50V 50 100A-ifsm 10uA-ir 1.15V-vf SMC 3K/REEL
中文描述: PCI總線熱插拔控制器
文件頁數(shù): 3/16頁
文件大小: 251K
代理商: LTC1643AL-1
3
LTC1643AL
LTC1643AL-1/LTC1643AH
1643afa
DC
ELECTRICAL CHARACTERISTICS
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C.
V
12VIN
= 12V, V
EEIN
= –12V, V
3VIN
= 3.3V, V
5VIN
= 5V (Note 2)
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
3.3V and 5V Current
Foldback Profile
OUTPUT VOLTAGE (V)
0
O
11
10
9
8
7
6
5
4
3
2
1
0
4
1643A G01
1
2
3
5
R
SENSE
= 0.005
3V
OUT
5V
OUT
OUTPUT VOLTAGE (V)
0
O
1.0
0.5
0
–8
–10
1643A G03
–2
–4
–6
–12
OUTPUT VOLTAGE (V)
0
O
1.0
0.5
0
8
10
1643A G02
2
4
6
12
12V Current Foldback Profile
–12V Current Foldback Profile
SYMBOL
V
TH
PARAMETER
Power-Good Threshold Voltage
CONDITIONS
V
3VOUT
MIN
2.8
2.75
4.5
4.4
TYP
2.9
2.9
4.65
4.65
MAX
3.0
3.0
4.75
4.75
0.8
UNITS
0
°
C
T
A
70
°
C
–40
°
C
T
A
85
°
C
0
°
C
T
A
70
°
C
–40
°
C
T
A
85
°
C
G
V
V
V
V
V
V
V
G
V
5VOUT
G
G
V
IL
V
IH
V
OL
I
IN
Input Low Voltage
Input High Voltage
Output Low Voltage
ON/ON Pin Input Current
ON/ON, FAULT
ON/ON, FAULT
FAULT, PWRGD, I = 3mA
ON/ON = GND
ON/ON= 12V
IN
5V
SENSE
= 5V
3V
SENSE
= 3V
5V
IN
= 5V
3V
IN
= 3V
5V
OUT
= 5V, ON = 3V, ON = GND
3V
OUT
= 3.3V, ON = 3V, ON = GND
ON = GND or ON = 3V
ON = GND or ON = 3V
ON = GND or ON = 3V
ON = GND or ON = 3V
Timer On, V
TIMER
= GND
Timer Off, V
TIMER
= 5V
(V
12VIN
– V
TIMER
)
G
G
2
G
0.4
±
10
±
10
100
100
700
600
500
500
G
±
0.08
±
0.08
50
50
460
320
240
220
100
70
450
1600
–22
45
0.9
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
mA
G
5V
SENSE
Input Current
3V
SENSE
Input Current
5V
IN
Input Current
3V
IN
Input Current
5V
OUT
Input Current
3V
OUT
Input Current
5V
OUT
Discharge Impedance
3V
OUT
Discharge Impedance
12V
OUT
Discharge Impedance
V
EEOUT
Discharge Impedance
TIMER Pin Current
G
G
G
G
G
G
R
DIS
I
TIMER
G
–15
–27
V
TIMER
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
TIMER Threshold Voltage
G
0.5
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.
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