Linear Technology LTM8052A Demo Board, 36Vin, 5A 2-Quadrant CVCC Step-Down µModule regulator w/o OVP DC1939A DC1939A Hoja De Datos
Los códigos de productos
DC1939A
LTM8052/LTM8052A
26
8052fc
PACKAGE TOP VIEW
4
PAD “A1” CORNER
X
Y
aaa Z
aaa Z
PACKAGE BOT
TOM VIEW
3
SEE NOTES
SUGGESTED PCB LA
YOUT
TOP VIEW
DET
AIL A
PAD 1
0.000
0.635
0.635
1.905
1.905
3.175
3.175
4.445
4.445
6.350
6.350
5.080
5.080
0.000
F
G
H
L
J
K
E
A
B
C
D
2
1
4
3
5
6
7
8
D
0.630 ±0.025 Ø 81x
E
b
e
e
b
F
G
NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
2. ALL DIMENSIONS ARE IN MILLIMETERS
LAND DESIGNA
TION PER JESD MO-222, SPP-010
5. PRIMAR
Y DA
TUM -Z- IS SEA
TING PLANE
6. THE TOT
AL NUMBER OF P
ADS: 81
4
3
DET
AILS OF P
AD #1 IDENTIFIER ARE OP
TIONAL,
BUT MUST BE LOCA
TED WITHIN THE ZONE INDICA
TED.
THE P
AD #1 IDENTIFIER MA
Y BE EITHER A MOLD OR
MARKED FEA
TURE
DET
AIL B
DET
AIL B
SUBSTRA
TE
MOLD CAP
0.27 – 0.37
2.45 – 2.55
// bbb Z
Z
DET
AIL A
DIA (0.630) 81x
S
Y
X
eee
LGA 81 1212 REV A
LTMXXXXXX µModule
TRA
Y PIN 1 BEVEL
PACKAGE IN TRA
Y LOADING ORIENT
ATION
COMPONENT
PIN “A1”
SYMBOL
A
b
D
E
e
F
G
aaa
bbb
eee
MIN
2.72
0.60
NOM
2.82
0.63
15.0
11.25
1.27
12.70
8.89
MAX
2.92
0.66
0.15
0.10
0.05
NOTES
DIMENSIONS
TOT
AL NUMBER OF LGA P
ADS: 81
A
LGA Package
81-Lead (15mm
×
11.25mm
×
2.82mm)
(Reference LTC DWG # 05-08-1868 Rev A)
7
PACKAGE ROW AND COLUMN LABELING MA
Y V
AR
Y
AMONG µModule PRODUCTS. REVIEW EACH P
ACKAGE
LA
YOUT CAREFULL
Y
!
7
SEE NOTES
package DescripTion
Please refer to
http://www.linear.com/designtools/packaging/
for the most recent package drawings.