ltm4608a Linear Technology Corporation, ltm4608a Datasheet - Page 23

• Manufacturer Part Number: ltm4608a
• Description: Low Vin, 8a Dc/dc ?module With Tracking, Margining, And Frequency Synchronization
• Manufacturer: Linear Technology Corporation

PACKAGE DESCRIPTION
PAD “A1”
CORNER
4
SUGGESTED PCB LAYOUT
PACKAGE TOP VIEW
TOP VIEW
9.00
BSC
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
15.00
Y
BSC
X
6.350
5.080
3.810
2.540
1.270
0.000
1.270
2.540
3.810
5.080
6.350
aaa Z
2.200 – 2.600
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
2. ALL DIMENSIONS ARE IN MILLIMETERS
3
4
5. PRIMARY DATUM -Z- IS SEATING PLANE
6. THE TOTAL NUMBER OF PADS: 68
SYMBOL
0.630 ±0.025 SQ. 68x
(Reference LTC DWG # 05-08-1821 Rev Ø)
bbb
aaa
eee
68-Lead (15mm × 9mm × 2.82mm)
LAND DESIGNATION PER JESD MO-222
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
TOLERANCE
DETAIL B
MOLD
CAP
0.15
0.10
0.05
eee
LGA Package
S
X
SUBSTRATE
Y
0.290 – 0.350
2.72 – 2.92
DETAIL B
COMPONENT
TRAY PIN 1
PIN “A1”
BEVEL
12.70
BSC
DETAIL A
G
PACKAGE IN TRAY LOADING ORIENTATION
PACKAGE BOTTOM VIEW
LTMXXXXXX
F
μModule
7.620
BSC
E
LTM4608A
D
C
1.27
BSC
B
A
LGA 68 1207 REV Ø
23
1
2
3
4
5
6
7
8
9
10
11
PADS
SEE NOTES
PAD 1
4608af
3