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Preliminary Technical Data
PAUXONA
Dual PCI Hot-PlugTM Controller ADM1014
7
AUXGA
30
3.3V Cmos Input
+3.3VAux
S G
...
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Preliminary Technical Data
PAUXONA
Dual PCI Hot-PlugTM Controller ADM1014
7
AUXGA
30
3.3V Cmos Input
+3.3VAux
S G
P-CHANNEL MOSFET
31 AUXINA
Q
FAUXA
5
RESET
3.3V Cmos Output
FAULT LATCH Q
SET
AUXINA
3.3VAUX POWER-ON RESET
OVERCURRENT AND UNDERVOLTAGE COMPARATORS FOR +3.3VAUX
D
8
AUXOA
AUXINA
100µA VOCSET
LOW WHEN AUXINA < 2.5V
CHANNEL A
CIRCUIT OPERATES FROM 3.3VAUX POWER SUPPLY
3V5VGA
OCSET 6
COMMON TO BOTH CHANNELS
EXTERNAL N-CHANNEL POWER MOSFETS
+5V IN +3.3V IN
CIRCUIT OPERATES FROM 3.3VAUX AND +12V POWER SUPPLY
33
CHANNEL A
OVERCURRENT AND UNDERVOLTAGE COMPARATORS FOR +5V
34
35
5VSA
RSENSE5A
5VISENA
PWRONA 3
OVERCURRENT AND UNDERVOLTAGE COMPARATORS FOR +3.3V
36
37
3VSA 3VISENA
RSENSE3A
9 12VGA
Q
RESET
S G
OVERCURRENT AND UNDERVOLTAGE COMPARATORS FOR +12V
FLTNA
FAULT LATCH
4
Q
SET
P-CHANNEL MOSFET
D
29 12VIN A
+5V OUTA
+3.3V OUTA
10 12VOA 2 -12VGA 38 -12VINA
S G
12VIN A 5V
REGULATOR
GND
32
12VIN A 12V IN POWER-ON RESET LOW WHEN 12VINA < 10V
COMBINING LOGIC
COMMON TO BOTH CHANNELS
N-CHANNEL MOSFET
D
OVERCURRENT COMPARATOR FOR -12V
1
-12VOA
14 26
AUXGB AUXINB
EXTERNAL N-CHANNEL POWER MOSFETS +3.3V +5V IN IN
13 AUXOB
PAUXONB 27
25
3V5VGB
+3.3VAux
CHANNEL B
FAUXB
15
24
23
5VSB
5VISENB
RSENSE5B
( IDENTICAL TO CHANNEL A )
22
21
3VSB 3VISENB
PWRONB 17
RSENSE3B
12
28
FLTNB
12VGB 12VINB 12VOB -12VGB -12VINB
+5V OUTA
+3.3V OUTA
11
16
18 20
19 -12VOB
FUNCTIONAL BLOCK DIAGRAM
REV. PrN 1/02
Information furni...