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LXM1700A-05

更新时间：2024-09-18 01:49:35
品牌：MICROSEMI
描述：PENTIUM II VRM MODULE

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LXM1700A-05 概述

PENTIUM II VRM MODULE 奔腾II VRM模块 电源模块

LXM1700A-05 规格参数

是否Rohs认证： 不符合生命周期：Obsolete
Reach Compliance Code：unknownECCN代码：EAR99
风险等级：5.85Is Samacsys：N
模拟集成电路 - 其他类型：DC-DC REGULATED POWER SUPPLY MODULE最大输入电压：5.25 V
最小输入电压：4.75 V标称输入电压：5 V
JESD-30 代码：R-XXMA-X40功能数量：1
输出次数：1端子数量：40
最高工作温度：60 °C最低工作温度：
最大输出电压：3.5 V最小输出电压：1.8 V
标称输出电压：3.1 V封装主体材料：UNSPECIFIED
封装形状：RECTANGULAR封装形式：MICROELECTRONIC ASSEMBLY
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
表面贴装：NO温度等级：COMMERCIAL
端子形式：UNSPECIFIED端子位置：UNSPECIFIED
处于峰值回流温度下的最长时间：NOT SPECIFIED微调/可调输出：YES
Base Number Matches：1

LXM1700A-05 数据手册

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LIN DOC #: 1700  
LXM1700-xx/1700A-xx  
®
P E N T I U M  
I I V R M M O D U L E  
T H E I N F I N I T E P O W E R O F I N N O V A T I O N  
P R E L I M I N A R Y D A T A S H E E T  
DESCRIPTION  
KEY FEATURES  
■ GUARANTEED 14.0A OUTPUT  
p TOTAL OUTPUT TOLERANCE OF LESS  
The LXM1700/1700A series of DC/DC  
converters are Voltage Regulator  
include high efficiency, short-circuit  
protection, over-voltage protection  
(LXM1700-xx only), under-voltage  
detection, soft start and logic level  
output enable functions.  
The LXM1700-05/1700A-05 powers  
the processor using the 5V supply as  
the input power and 12V for the  
control bias. The LXM1700-12/  
1700A-12 powers the processor using  
only the 12V supply and does not need  
a separate voltage for the control bias  
(see Block Diagram below). The +5V  
or the +12V input configuration is  
factory set via simple jumper connec-  
tions. The LXM1700-12/1700A-12 is  
primarily used for multiple processor  
applications, such as quad processor  
servers, where 5V supplies may not  
have the needed current capability.  
THAN ±±5 ꢀ ꢁIncludes LꢂId ꢃ cꢄou  
rdglcotꢂꢄI, tdmpdrotlrd etobꢂcꢂty, ꢂIꢂtꢂoc  
onnlrony, cꢄou troIeꢂdIt oIu rꢂppcd ꢃ Iꢄꢂed.  
p ADJUSTABLE OUTPUT VOLTAGE USꢁNG A  
FꢁVE-BꢁT WORD (Sdd Tobcd 1)  
p OVER-VOLTAGE DETECTꢁON CROWBARS  
THE OUTPUT VOLTAGE ꢁN THE EVENT OF  
PASS TRANSꢁSTOR FAꢁLURE - 1005  
PROCESSOR PROTECTꢁON (LXM1700-xx)  
p HꢁGH EFFꢁCꢁENCY ꢀ 8±5 (TYP.)  
p POWER GOOD SꢁGNAL ꢁNDꢁCATES LOW  
OUTPUT VOLTAGE  
Modules (VRM) which are specifically  
designed to meet or exceed the Intel  
VRM8.1 DC/DC Converter electrical  
specification as well as its mechanical  
outline. The LXM1700-xx/1700A-xx is  
guaranteed to deliver a maximum  
current of at least 14A. These convert-  
ers maintain a total tolerance of ±5%  
maximum, which includes load and  
line regulation, temperature stability,  
inital accuracy, load transient and  
ripple and noise. One of the main  
features of these converters is their  
ability to program the output voltage  
from 1.8 to 3.5V using a 5-bit word  
from the processors, providing  
p SOFT-START ELꢁMꢁNATES TURN-ON  
OVERSHOOT  
p SHORT-CꢁRCUꢁT PROTECTꢁON  
p OUTPUT ENABLE /SHUTDOWN  
APPLICATIONS  
automatic voltage adjustment for each  
individual processor. Other features  
■ PENTꢁUM ꢁꢁ PROCESSOR  
■ PENTꢁUM PRO PROCESSOR  
■ ADVANCED MꢁCROPROCESSOR SUPPLꢁES  
MODULE PHOTO  
BLOCK DIAGRAM  
5V 12V  
12V  
5VIN 12VIN  
VCC  
12VIN  
VCCP  
VSS  
(VID)  
(VID)  
VSS  
UP#  
UP#  
PWRGD  
PWRGD  
µP  
µP  
VID4  
VID3  
VID2  
VID1  
VID0  
VID4  
VID3  
VID2  
VID1  
VID0  
Disable  
Disable  
OUTEN  
OUTEN  
LXM1700-05/1700A-05  
IN A +5V SUPPLY APPLICATION  
LXM1700-12/1700A-12  
IN A +12V SUPPLY APPLICATION  
MODULE ORDER INFORMATION  
Part #  
Input  
IMAX  
O.V. Protection Crowbar  
LXM1700-05  
LXM1700-12  
LXM1700A-05  
LXM1700A-12  
+5V, +12V  
+12V  
+5V, +12V  
+12V  
14.0A  
14.0A  
14.0A  
14.0A  
Yes  
No  
F O R F U R T H E R I N F O R M AT I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1  
Copyright © 1997  
Rev. 0.4 4/97  
1
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841  
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7  
LXM1700-xx/1700A-xx  
®
P E N T I U M  
I I V R M M O D U L E  
P R E L I M I N A R Y D A T A S H E E T  
ELECTRICAL CHARACTERISTICS  
LXM1700-xx/1700A-xx  
Parameter  
Symbol  
Test Conditions  
Units  
Min.  
Typ.  
Max.  
Input Voltage Range  
+5V  
VIN  
4.75  
11.4  
2.945  
5
12  
3.1  
±±.6  
15  
1
5.25  
12.6  
3.255  
V
V
V
+12V  
Total Output Voltage Tolerance  
Includes: Initial Accuracy  
Load Regulation  
VO  
3.1V Set Point  
IO = ±.5A, TA = 25°C  
IO = ±.5A to 14.±A  
±.95VIN to 1.±5VIN  
1± to 6±°C  
IO = ±.5A to 14.±A, VIN = 5V  
IO = 5A  
%
mV  
mV  
mV  
mV  
mV  
A
Line Regulation  
Temp. Stability  
Load Transient  
Output Ripple & Noise  
Output Current  
16  
95  
12  
Maximum  
Minimum  
IO  
VO = 3.1V  
14.±  
±
A
Power Good Threshold  
Power Good Output LO Voltage  
Output Enable  
VTHPG  
RLOPG  
OUTEN  
VOL  
±.93VSET  
V
V
±.4  
±.8  
1±  
ISINK = 5mA  
V
V
LO Level Input Voltage  
HI Level Input Voltage  
Turn-on Response  
IOL = 1mA  
IOH = 1mA  
VOH  
2
TR  
± to 99% of VO after V reaches 9±%  
ms  
%
%
V
IN  
8±  
8±  
3.41  
85  
85  
3.57  
2
Efficiency  
LXM17±±-±5/17±±A-±5  
LXM17±±-12/17±±A-12  
LXM17±±-xx  
Eff  
IO = 14.±A  
IO = 14.±A  
VO = 3.1V  
VO = ±V  
3.72  
6±  
Over-Voltage Threshold  
VOV  
ISC  
TA  
A
Average Short-Circuit Current  
Ambient Temperature  
Required Air Flow  
±
1±±  
°C  
LFM  
IO = 14.±A  
Table 1 - Voltage Identification Code  
Processor Pins  
Processor Pins  
VCC (VID)  
VCC (VID)  
(VDC)  
0 = Connected to VSS , 1 = Open or pull-up to VIN  
0 = Connected to VSS , 1 = Open or pull-up to VIN  
VID4  
VID3  
VID2  
VID1  
VID0  
(VDC)  
VID4  
VID3  
VID2  
VID1  
VID0  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
*
*
*
*
*
*
*
*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
No CPU  
2.1  
2.2  
2.3  
2.4  
2.5  
2.6  
2.7  
2.8  
2.9  
3.0  
3.1  
3.2  
3.3  
3.4  
3.5  
*
*
1.80  
1.85  
1.90  
1.95  
2.00  
2.05  
* Level reserved for future requirements; VRM8.1 output shall be disabled for these VID codes.  
Copyright © 1997  
Rev. 0.4 4/97  
2
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7  
LXM1700-xx/1700A-xx  
I I V R M M O D U L E  
®
P E N T I U M  
P R E L I M I N A R Y D A T A S H E E T  
CONNECTOR PIN-OUTS AND DESCRIPTIONS  
Pin # Ref. Desig. Description  
Pin # Ref. Desig. Description  
A1  
A2  
A3  
5V  
5V Input Power (not needed for LXM17±±-12)  
5V Input Power (not needed for LXM17±±-12)  
5V Input Power (not needed for LXM17±±-12)  
12V Input Power  
B1  
B2  
B3  
B4  
B5  
5V  
5V Input Power (not needed for LXM17±±-12)  
5V Input Power (not needed for LXM17±±-12)  
This pin is reserved for future applications  
12V Input Power  
A TTL input indicates the presence of an  
upgrade processor. LOW = Upgrade processor  
A TTL input that disables output when it  
switches to LO state  
IN  
IN  
5V  
5V  
IN  
Reserved  
IN  
5V  
IN  
A4  
12V  
IN  
12V  
UP #  
IN  
A5  
A6  
Reserved  
ISHARE  
VID±  
VID2  
VID4  
VCC (VID)  
VSS  
This pin is reserved for future applications  
Consult Factory  
A7  
A8  
A9  
Bit ± of the 5-bit input (see Table 1)  
Bit 2 of the 5-bit input (see Table 1)  
Bit 4 of the 5-bit input (see Table 1)  
Output voltage to microprocessor  
Output voltage return  
B6  
OUTEN  
B7  
B8  
B9  
VID1  
VID3  
PWRGD  
Bit 1 of the 5-bit input (see Table 1)  
Bit 3 of the 5-bit input (see Table 1)  
An open collector output that switches LO  
when output is below the specified range  
Output voltage return  
Output voltage to microprocessor  
Output voltage return  
Output voltage to microprocessor  
Output voltage return  
A1±  
A11  
A12  
A13  
A14  
A15  
A16  
A17  
A18  
A19  
A2±  
VCC (VID)  
VSS  
VCC (VID)  
VSS  
VCC (VID)  
VSS  
VCC (VID)  
VSS  
Output voltage to microprocessor  
Output voltage return  
Output voltage to microprocessor  
Output voltage return  
Output voltage to microprocessor  
Output voltage return  
B1±  
B11  
B12  
B13  
B14  
B15  
B16  
B17  
B18  
B19  
B2±  
VSS  
VCC (VID)  
VSS  
VCC (VID)  
VSS  
VCC (VID)  
VSS  
VCC (VID)  
VSS  
VCC (VID)  
VSS  
Output voltage to microprocessor  
Output voltage return  
Output voltage to microprocessor  
Output voltage return  
VCC (VID)  
Output voltage to microprocessor  
Output voltage to microprocessor  
Output voltage return  
Output voltage to microprocessor  
Output voltage return  
MODULE DIMENSIONS  
3.10 (78.74)  
0.188 (4.78)  
2.725 (69.22)  
1.00  
(25.4)  
0.30 (7.62) Max.  
0.26 (6.60) Min.  
TOP VIEW  
1.50  
0.15 (3.81) Typical  
(38.1)  
Power  
Board  
Connector  
0.065 (1.65) Ref  
0.42 (10.67) Typical  
Power Board  
Component Area  
FRONT  
VIEW  
0.80  
(20.32)  
0.062 0.008  
(1.58 0.20)  
Connector  
B20  
B1  
(Facing Connector)  
A20  
A1  
Note: All dimensions in inches (mm).  
Copyright © 1997  
Rev. 0.4 4/97  
3
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7  
LXM1700-xx/1700A-xx  
®
P E N T I U M  
I I V R M M O D U L E  
P R E L I M I N A R Y D A T A S H E E T  
APPLICATION INFORMATION  
CTRL  
DC  
INPUT INPUT  
3.3V  
VID0  
VID1  
VID2  
VID3  
VID4  
UP#  
VCC (VID)  
PENTIUM  
PRO  
PROCESSOR  
GND  
GND  
3.3V  
4.7K  
DISABLE (LO)  
ENABLE (HI or Open)  
PGOOD  
VID Pins  
OUTEN  
0.1µf  
LXM1700/1700A  
PART #  
DC INPUT  
CTRL INPUT  
LXM1700-0±/1700A-0±  
LXM1700-12/1700A-12  
+±V  
+12V  
+12V  
N.C.  
FIGURE 1. — TYPICAL APPLICATION OF THE LXM17±±-xx/17±±A-xx  
Note: 10k pull-up resistors are optional and needed only in cases of noise suppression or long leads.  
Pentium is a registered trademark of Intel Corporation.  
Copyright © 1997  
Rev. 0.4 4/97  
4

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