LXM1700-05 View Datasheet(PDF) - Microsemi Corporation

Part Name

Description

Manufacturer

LXM1700-05

PENTIUM II VRM MODULE

Microsemi Corporation 

PRODUCT DATABOOK 1996/1997

LXM1700-xx/1700A-xx

PENTIUM® II VRM MODULE

PR E L I M I N A RY D ATA S H E E T

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Test Conditions

Input Voltage Range

+5V

+12V

Total Output Voltage Tolerance

Includes: Initial Accuracy

Load Regulation

Line Regulation

Temp. Stability

Load Transient

Output Ripple & Noise

Output Current

Maximum

Minimum

Power Good Threshold

Power Good Output LO Voltage

Output Enable

LO Level Input Voltage

HI Level Input Voltage

Turn-on Response

Efficiency

LXM1700-05/1700A-05

LXM1700-12/1700A-12

Over-Voltage Threshold

LXM1700-xx

Average Short-Circuit Current

Ambient Temperature

Required Air Flow

VIN

VO 3.1V Set Point

IO = 0.5A, TA = 25°C

IO = 0.5A to 14.0A

0.95VIN to 1.05VIN

10 to 60°C

IO = 0.5A to 14.0A, VIN = 5V

IO = 5A

IO VO = 3.1V

VTHPG

RLOPG

OUTEN

VOL

VOH

TR

Eff

VOV

ISC

TA

ISINK = 5mA

IOL = 1mA

IOH = 1mA

0 to 99% of VO after VIN reaches 90%

IO = 14.0A

IO = 14.0A

VO = 3.1V

VO = 0V

IO = 14.0A

LXM1700-xx/1700A-xx

Min. Typ. Max.

4.75

5

5.25

11.4

12

12.6

2.945 3.1 3.255

±0.6

15

1

16

95

12

14.0

0

0.93VSET

0.4

Units

V

V

V

%

mV

mV

mV

mV

mV

A

A

V

V

0.8

V

2

V

10

ms

80

85

%

80

85

%

3.41 3.57 3.72

V

2

A

0

60

°C

100

LFM

Table 1 - Voltage Identification Code

Processor Pins

0 = Connected to VSS , 1 = Open or pull-up to VIN

VCC (VID)

Processor Pins

0 = Connected to VSS , 1 = Open or pull-up to VIN

VID4 VID3 VID2 VID1 VID0

(VDC)

VID4 VID3 VID2 VID1 VID0

0

1

1

1

1

*

0

1

1

1

0

*

1

1

1

1

1

1

1

1

1

0

0

1

1

0

1

*

0

1

1

0

0

*

1

1

1

0

1

1

1

1

0

0

0

1

0

1

1

*

1

1

0

1

1

0

1

0

1

0

*

0

1

0

0

1

*

1

1

0

1

0

1

1

0

0

1

0

1

0

0

0

*

0

0

1

1

1

*

1

1

0

0

0

1

0

1

1

1

0

0

1

1

0

*

1

0

1

1

0

0

0

1

0

1

0

0

1

0

0

1.80

1.85

1

0

1

0

1

1

0

1

0

0

0

0

0

1

1

0

0

0

1

0

1.90

1.95

1

0

0

1

1

1

0

0

1

0

0

0

0

0

1

2.00

1

0

0

0

1

0

0

0

0

0

2.05

1

0

0

0

0

* Level reserved for future requirements; VRM8.1 output shall be disabled for these VID codes.

VCC (VID)

(VDC)

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

2

Copyright © 1997

Rev. 0.4 4/97

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