Datasheet

LTC3613
34
3613fa
PACKAGE DESCRIPTION
7.00
BSC
9.00
BSC
171928
BOTTOM VIEW
(BOTTOM METALLIZATION DETAILS)
TOP VIEW
0.50 BSC
0.90 ± 0.10
// ccc C
0.00 – 0.05
MLP56 QFN REV Ø 0310
NX b
SEATING PLANE
5
6
4
0.08 C
aaa C
aaa C
M
ACBbbb
NX
A
B
2x
2x
45
1
12
29
44
NOTE:
1. DIMENSIONING AND TOLERANCING CONFORM TO ASME Y14.5M-1994
2. ALL DIMENSIONS ARE IN MILLIMETERS, ANGLES ARE IN DEGREES (°)
3
THE LOCATION OF THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING
CONVENTION CONFORMS TO JEDEC PUBLICATION 95 SPP-002
4
DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED
BETWEEN 0.20mm AND 0.30mm FROM THE TERMINAL TIP. IF THE TERMINAL
HAS THE OPTIONAL RADIUS ON THE OTHER END OF THE TERMINAL, THE
DIMENSION b SHOULD NOT BE MEASURED IN THAT RADIUS AREA.
5
COPLANARITY APPLIES TO THE TERMINALS AND ALL OTHER SURFACE
METALLIZATION
6
DRAWING SHOWN ARE FOR ILLUSTRATION ONLY
SYMBOL
aaa
bbb
ccc
TOLERANCE
0.15
0.10
0.10
PAD 1
CORNER
RECOMMENDED SOLDER PAD LAYOUT
TOP VIEW
0.50 BSC
2.90 REF
2.63 REF
1.97
± 0.10
1.97
± 0.05
3.15 ± 0.10
3.15 ± 0.05
PIN 1 ID
7.50 ± 0.05
9.50 ± 0.05
PACKAGE
OUTLINE
0.40 ± 0.05
4.06 ± 0.10
3.82 REF
4.06 ± 0.05
3.82 REF
PIN 1
4.76 ± 0.10
1.50 REF
1.78
REF
4.27 ± 0.10
4.27 ± 0.05
1.35
± 0.05
2.25 ± 0.10
0.25 ± 0.05
1.78
REF
1.35
± 0.05
0.25 ± 0.05
0.40 ± 0.05
16
56
2.63 REF2.90 REF
4.76 ± 0.05
3.82 REF
0.58 ± 0.05
0.95
REF
3
WKH Package
56-Lead QFN Multipad (7mm × 9mm)
(Reference LTC DWG # 05-08-1870 Rev Ø)
2.25 ± 0.05
1.50 REF
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.