Техническая Спецификация для Linear Technology LTM4608AEV DEMO BOARD, 2.7Vinmin, 8A DC/DC µModule Regulator DC1400A DC1400A
Модели
DC1400A
LTM4608A
24
4608afd
package DescripTion
LGA Package
68-Lead (15mm × 9mm × 2.82mm)
(Reference LTC DWG # 05-08-1821 Rev Ø)
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
LAND DESIGNATION PER JESD MO-222
2. ALL DIMENSIONS ARE IN MILLIMETERS
LAND DESIGNATION PER JESD MO-222
5. PRIMARY DATUM -Z- IS SEATING PLANE
6. THE TOTAL NUMBER OF PADS: 68
6. THE TOTAL NUMBER OF PADS: 68
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
2.72 – 2.92
DETAIL B
DETAIL B
SUBSTRATE
MOLD
CAP
0.290 – 0.350
2.200 – 2.600
// bbb Z
Z
PACKAGE TOP VIEW
9.00
BSC
15.00
BSC
4
PAD “A1”
CORNER
X
Y
aaa Z
aaa Z
PACKAGE BOTTOM VIEW
3
PADS
SEE NOTES
DETAIL A
0.630 ±0.025 SQ. 68x
S
Y
X
eee
SUGGESTED PCB LAYOUT
TOP VIEW
LGA 68 1207 REV Ø
LTMXXXXXX
µModule
TRAY PIN 1
BEVEL
PACKAGE IN TRAY LOADING ORIENTATION
COMPONENT
PIN “A1”
DETAIL A
7.620
BSC
1.27
BSC
12.70
BSC
PAD 1
F
G
E
A
B
C
D
8
2
1
4
3
5
6
7
11
9
10
0.000
1.270
1.270
2.540
2.540
3.810
3.810
6.350
6.350
3.810
3.810
5.080
5.080
2.540
2.540
1.270
1.270
0.000
SYMBOL
aaa
bbb
eee
TOLERANCE
0.15
0.10
0.05
0.10
0.05
package phoTo