LTM8031EVPBF datasheet(18/20 Pages) LINER

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LTM8031

8031fa

PACKAGE DESCRIPTION

LGA Package

71-Lead (15mm

× 9mm × 2.82mm)

(Reference LTC DWG # 05-08-1823 Rev Ø)

9.00

BSC

PACKAGE TOP VIEW

LGA 71 0108 REV Ø

15.00

BSC

PAD 1

CORNER

PADS

SEE NOTES

aaa Z

2.670 – 2.970

DETAIL A

PACKAGE SIDE VIEW

DETAIL A

SUBSTRATE

MOLD

CAP

0.27 – 0.37

2.40 – 2.60

1.270

BSC

0.635 ±0.025 SQ. 71x

12.700

BSC

7.620

BSC

PAD 1

Ø (0.635)

PACKAGE IN TRAY LOADING ORIENTATION

2.540

1.270

5.080

6.350

3.810

0.000

1.270

SUGGESTED PCB LAYOUT

TOP VIEW

LTMXXXXXX

μModule

TRAY PIN 1

BEVEL

COMPONENT

PIN 1

PACKAGE BOTTOM VIEW

NOTES:

1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994

2. ALL DIMENSIONS ARE IN MILLIMETERS

LAND DESIGNATION PER JESD MO-222, SPP-010 AND SPP-020

5. PRIMARY DATUM -Z- IS SEATING PLANE

6. THE TOTAL NUMBER OF PADS: 71

DETAILS OF PAD #1 IDENTIFIER ARE OPTIONAL,

BUT MUST BE LOCATED WITHIN THE ZONE INDICATED.

THE PAD #1 IDENTIFIER MAY BE EITHER A MOLD OR

MARKED FEATURE

DETAIL A

eee

DETAIL A

SYMBOL

aaa

bbb

eee

TOLERANCE

0.15

0.10

0.05

1.27

BSC

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