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參數(shù)資料
| 型號： | MP55C-5-2.5 |
| 廠商： | Semtech Corporation |
| 英文描述： | PENTIUM PROCESSOR P55C VOLTAGE REGULATOR MODULE |
| 中文描述： | 英特爾奔騰處理器P55C穩(wěn)壓器模塊 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 23K |
| 代理商： | MP55C-5-2.5 |
MP55C
1997 SEMTECH CORP.
PENTIUM
VOLTAGE REGULATOR MODULE
PROCESSOR P55C
October 27, 1997
652 MITCHELL ROAD NEWBURY PARK CA 91320
Pentium is a registered trademark of Intel Corporation. AMD5
K
86 is a trademark of Advanced Micro Devices. 6x86 is a trademark of Cyrix.
DESCRIPTION:
The MP54C/MP55C series of power modules are low
noise (no EMI), economical linear DC:DC converters
with an integral connector conforming to Intel Corpora-
tion’s Voltage Regulator Module specification for the
Pentium
Processor.
Outstanding features include internal current limiting
and thermal shutdown, providing full device protection
against load faults and thermal overstress. The MP55C
is designed to power split voltage plane microproces-
sors requiring 3.3V V
and 2.xV V
. The V
is al-
ways supplied directly from a 3.3V input; either the
main system power supply or a low dropout regulator
on the motherboard. The CPU core can be supplied
either from the 3.3V main supply to reduce heat dissi-
pation (MP55C-3.3) or the 5V main power supply
(MP55C-5). The MP55C-3.3 still requires a few mA of
5V power for control circuitry. The MP55C-3.3 will not
be available for CPU core voltages higher than 2.8V.
Please contact Semtech for availability.
FEATURES:
Integral VRM header connector
Input voltage 5V ± 5%
2.8 ± 0.1V output for CPU core power
3.3V passes through the I/O power plane
Maximum output current 6A
Input power voltage:
5V ± 5% for MP55C-5 or
3.3V for MP55C-3.3
Low noise, no EMI
APPLICATIONS:
Pentium
Processor P55C, Cyrix 6x86 and
AMD5
K
86 power supplies
ELECTRICAL CHARACTERISTICS
PARAMETER
Output Voltage
(1)
SYMBOL
V
O
MIN
2.7
2.6
2.4
TYP
2.8
2.7
2.5
MAX
3.0
2.8
2.6
6.0
0.2
0.4
1.3
UNITS
V
2.8V version
2.7V version
2.5V version
Output Current
Line Regulation
(1)
Load Regulation
(1)
Dropout voltage (MP55C-5)
(MP55C-3.3)
Current Surge Limit
Quiescent Current
Temperature Coefficient
Temperature Stability
RMS Output Noise
(2)
Ripple Rejection Ratio
Linear Airflow Requirements
(ambient temperature 55°C)
I
O
A
%
%
V
REG
(LINE)
REG
(LOAD)
V
D
0.015
0.1
1.2
0.40
7.5
12
0.005
0.5
0.003
72
I
S
I
Q
T
C
T
S
V
N
R
A
A
16
mA
%/°C
%
%V
O
dB
m/s
ft/min
0.5
100
NOTES:
(1) Low duty cycle pulse testing with Kelvin connections required.
(2)
Bandwidth of 10 Hz to 10 kHz.
ORDERING INFORMATION:
DEVICE
Input (V)
Output (V)
MP55C-5-2.8
5.0
2.8
MP55C-5-2.5
5.0
2.5
MP55C-3.3-2.8
3.3
2.8
MP55C-3.3-2.7
3.3
2.7
MP55C-3.3-2.5
3.3
2.5
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
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