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MP55C Arkusz danych(PDF) 2 Page - Semtech Corporation

Numer części MP55C
Szczegółowy opis  PENTIUM PROCESSOR P55C VOLTAGE REGULATOR MODULE
PDF  3 Pages
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Producent  SEMTECH [Semtech Corporation]
Strona internetowa  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

MP55C Arkusz danych(HTML) 2 Page - Semtech Corporation

  MP55C Datasheet HTML 1Page - Semtech Corporation MP55C Datasheet HTML 2Page - Semtech Corporation MP55C Datasheet HTML 3Page - Semtech Corporation  
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MP55C
© 1997 SEMTECH CORP.
PENTIUM
®
PROCESSOR P55C
VOLTAGE REGULATOR MODULE
October 27, 1997
652 MITCHELL ROAD NEWBURY PARK CA 91320
VOLTAGE REGULATOR MODULE CONNECTOR PIN REFERENCE
Pin Name
I/O
Function
Notes
+3.3V
Input
+3.3V Supply
Connected directly to V
I/O.
MP55C-3.3: Main Power Input
+5.0V
Input
+5.0V Supply
MP55C-5: Main power input
MP55C-3.3: Bias for regulator control
V
CORE
Output
Voltage Regulator Module Output
2.8V output for CPU core
V
I/O
Output
CPU I/O power connection.
Tied to 3.3V input (V
CC3)
V
SS
Input
Ground Reference
Ground
DISABLE
Input
When driven high, this input will disable the
Voltage Regulator Module output and the
output of the module will float.
Not connected
PWR GOOD
Output
Power Good is driven low when the VRM
output is not within valid levels.
Not connected
SENSE
Input
Sense is provided for the regulator to correct
for voltage drops across the connector and
motherboard powerplane.
MP55C-5: Not connected
MP55C-3.3: Connected
RES
Input
Formerly UPVRM#
Tied to output.
ND
Not connected
INPUT AND OUTPUT CONNECTIONS
Pin No.
Row A
Row B
Pin No.
1
V
SS
V
SS
1
2
V
SS
V
SS
2
3
ND
V
I/O
3
4
V
I/O
V
I/O
4
5
+3.3V
+3.3V
5
6
+3.3V
+3.3V
6
7
V
CORE
V
CORE
7
8
V
CORE
V
CORE
8
9
V
SS
V
CORE
9
10
V
CORE
V
CORE
10
11
PWR GOOD
RES
11
12
SENSE
DISABLE
12
13
V
SS
V
SS
13
14
+5.0V
+5.0V
14
15
+5.0V
+5.0V
15
A
B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
VRM
PCB
End view of VRM connector
(viewed from motherboard side)



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