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LTC1643ALC(RevA) Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Lista de partido
LTC1643ALC
(Rev.:RevA)
PCI-Bus Hot Swap Controller
Linear Technology
LTC1643ALC Datasheet PDF : 16 Pages
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LTC1643AL
LTC1643AL-1/LTC1643AH
APPLICATIONS INFORMATION
SYSTEM
POWER
SUPPLY
R2
Q2
1
0.005
Ω
2
IRF7413
3
4
R5
10
Ω
R1
Q1
1
0.007
Ω
2
IRF7413
3
4
R6
10
Ω
R7
100
Ω
9
10
11
3
13
12
PCI
POWER
SYSTEM
CONTROLLER
8
3V
IN
GND
1
2
12V
IN
V
EEIN
3V
SENSE
GATE 3V
OUT
5V
IN
5V
SENSE
5
ON
R3
LTC1643AH
10k
6
FAULT
R4
10k
7 PWRGD
RESET
14
5V
OUT
16
12V
OUT
15
V
EEOUT
4
TIMER
Figure 1. Typical PCI Application
5V
5A
3.3V
7.6A
GND
C1
0.047
µ
F
12V
500mA
–12V
100mA
C2
0.1
µ
F
LOGIC
RESET
1643A F01
ON
10V/DIV
TIMER
10V/DIV
GATE
10V/DIV
12V
OUT
5V/DIV
5V
OUT
5V/DIV
3V
OUT
5V/DIV
V
EEOUT
5V/DIV
ON
10V/DIV
TIMER
10V/DIV
GATE
10V/DIV
12V
OUT
5V/DIV
5V
OUT
5V/DIV
3V
OUT
5V/DIV
V
EEOUT
5V/DIV
FAULT
10V/DIV
PWRGD
10V/DIV
10ms/DIV
Figure 2. Normal Power-Up Sequence
10
FAULT
10V/DIV
PWRGD
10V/DIV
1643A F02
10ms/DIV
Figure 3. Normal Power-Down Sequence
1643A F03
1643afa
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