Datasheet

LTM4601/LTM4601-1
25
4601fd
For more information www.linear.com/LTM4601
package DescripTion
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994 2. ALL DIMENSIONS ARE IN MILLIMETERS BALL DESIGNATION PER JESD MS-028 AND JEP95 5. PRIMARY DATUM -Z- IS SEATING PLANE
4 3
DETAILS OF PIN #1 IDENTIFIER ARE OPTIONAL, BUT MUST BE LOCATED WITHIN THE ZONE INDICATED. THE PIN #1 IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE
PACKAGE TOP VIEW
4
PIN “A1”
CORNER
X
Y
aaa Z
aaa Z
PACKAGE BOTTOM VIEW
C(0.30) PAD 1
3
SEE NOTES
SUGGESTED PCB LAYOUT
TOP VIEW
LGA 118 1011 REV A
LTMXXXXXX
µModule
TRAY PIN 1
BEVEL
PACKAGE IN TRAY LOADING ORIENTATION
COMPONENT
PIN “A1”
DETAIL A
0.0000
0.0000
D
0.630 ±0.025 Ø 118x
E
b
e
e
b
F
G
0.6350 0.6350 1.9050 1.9050 3.1750 3.1750 4.4450 4.4450 5.7150 5.7150 6.9850
6.9850
6.9850
5.7150
5.7150
4.4450
4.4450
3.1750
3.1750
1.9050
1.9050
0.6350
0.6350
6.9850
FGHM L JK E ABCD
2 1 4 3 5 6 7 12 8 9 10 11
DETAIL A
0.630 ±0.025 SQ. 118x
LGA Package
118-Lead (15mm × 15mm × 2.82mm)
(Reference LTC DWG # 05-08-1801 Rev A)
DETAIL B
PACKAGE SIDE VIEW
bbb Z
S
YXeee
SYMBOL
A
b
D
E
e F
G
H1 H2
aaa
bbb
eee
MIN
2.72 0.60 0.27 2.45
NOM
2.82 0.63
15.00 15.00
1.27
13.97 13.97
0.32 2.50
MAX
2.92 0.66 0.37 2.55 0.15 0.10 0.05
NOTES
DIMENSIONS
TOTAL NUMBER OF LGA PADS: 118
DETAIL B
SUBSTRATE
MOLD
CAP
Z
H2
H1
A