LTM4622A
28
Rev B
For more information
PACKAGE DESCRIPTION
http://www.linear.com/product/LTM4622A#packaging
for the most recent package drawings.
PACKAGE TOP VIEW
4
PIN “A1” CORNER
Y
X
aaa Z
aaa Z
DET
AIL A
PACKAGE BOT
TOM VIEW
3
SEE NOTES
SUGGESTED PCB LA
YOUT
TOP VIEW
0.000
2.540
1.270
1.270
2.540
0.630 ±0.025
2.540
1.270
2.540
1.270
0.3175
0.3175
0.000
E
D
C
B
A
1
2
3
4
5
PIN 1
NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
2. ALL DIMENSIONS ARE IN MILLIMETERS
BALL DESIGNA
TION PER JESD MS-028 AND JEP95
4
3
DET
AILS OF PIN #1 IDENTIFIER ARE OP
TIONAL,
BUT MUST BE LOCA
TED WITHIN THE ZONE INDICA
TED.
THE PIN #1 IDENTIFIER MA
Y BE EITHER A MOLD OR
MARKED FEA
TURE
Øb (25 PLACES)
A
DET
AIL B
PACKAGE SIDE VIEW
M
X
Y
Z
ddd
M
Z
eee
A2
D
E
e
b
F
G
DET
AIL A
0.3175
0.3175
BGA 25
0517 REV A
LTMXXXXXX µModule
TRA
Y PIN 1 BEVEL
PACKAGE IN TRA
Y LOADING ORIENT
ATION
COMPONENT
PIN “A1”
BGA Package
25-Lead (6.25mm
×
6.25mm
×
2.42mm)
(Reference LTC DWG # 05-08-1502 Rev A)
6
SEE NOTES
SYMBOL
A
A1
A2
b
b1
D
E
e
F
G
H1
H2
aaa
bbb
ccc
ddd
eee
MIN
2.22
0.50
1.72
0.60
0.60
0.27
1.45
NOM
2.42
0.60
1.82
0.75
0.63
6.25
6.25
1.27
5.08
5.08
0.32
1.50
MAX
2.62
0.70
1.92
0.90
0.66
0.37
1.55
0.15
0.10
0.20
0.30
0.15
TOT
AL NUMBER OF BALLS: 25
DIMENSIONS
NOTES
BALL HT
BALL DIMENSION
PAD DIMENSION
SUBSTRA
TE THK
MOLD CAP HT
Z
5. PRIMAR
Y DA
TUM -Z- IS SEA
TING PLANE
6
PACKAGE ROW AND COLUMN LABELING MA
Y V
AR
Y
AMONG µModule PRODUCTS. REVIEW EACH P
ACKAGE
LA
YOUT CAREFULL
Y
!
DET
AIL B
SUBSTRA
TE
A1
ccc Z
Z
// bbb Z
H2
H1
b1
MOLD CAP
