LTM4623
25
4623fc
For more information www.linear.com/LTM4623
package DescripTion
Please refer to http://www.linear.com/product/LTM4623#packaging for the most recent package drawings.
PACKAGE TOP VIEW
4
PIN “A1”
CORNER
Y
X
aaa Z
aaa Z
DETAIL A
PACKAGE BOTTOM VIEW
3
SEE NOTES
SUGGESTED PCB LAYOUT
TOP VIEW
0.000
2.540
1.270
1.270
2.540
2.540
1.270
2.540
1.270
0.3175
0.3175
0.000
E
D
C
B
A
12345
PIN 1
Øb (25 PLACES)
D
E
e
b
F
G
DETAIL A
0.3175
0.3175
LGA 25 0613 REV Ø
LTMXXXXXX
µModule
TRAY PIN 1
BEVEL
PACKAGE IN TRAY LOADING ORIENTATION
COMPONENT
PIN “A1”
LGA Package
25-Lead (6.25mm × 6.25mm × 1.82mm)
(Reference LTC DWG # 05-08-1949 Rev Ø)
7
SEE NOTES
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
2. ALL DIMENSIONS ARE IN MILLIMETERS
LAND DESIGNATION PER JESD MO-222, SPP-010
5. PRIMARY DATUM -Z- IS SEATING PLANE
6. THE TOTAL NUMBER OF PADS: 25
4
3
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
7 PACKAGE ROW AND COLUMN LABELING MAY VARY
AMONG µModule PRODUCTS. REVIEW EACH PACKAGE
LAYOUT CAREFULLY
!
DETAIL B
DETAIL B
SUBSTRATE
MOLD
CAP
// bbb Z
Z
A
SYMBOL
A
b
D
E
e
F
G
H1
H2
aaa
bbb
eee
MIN
1.72
0.60
0.27
1.45
NOM
1.82
0.63
6.25
6.25
1.27
5.08
5.08
0.32
1.50
MAX
1.92
0.66
0.37
1.55
0.15
0.10
0.15
NOTES
DIMENSIONS
TOTAL NUMBER OF LGA PADS: 25
H2
H1
S
YXZØ eee
