FAN53541 Datasheet, PDF (14/15 Pages) Fairchild Semiconductor – 2.4 MHz, 5 A TinyBuck Synchronous Buck Regulator

Physical Dimensions
BALL A1
INDEX AREA
0.03 C
2X
E
AF
B
1.20
Ø0.20 _A1
Cu Pad
1.20
A1
Ø0.215
Cu Pad
TOP VIEW
D
0.03 C
2X
Ø0.30 Solder
Mask Opening
1.60
0.40
0.40
0.40
option 1
option 2
RECOMMENDED LAND PATTERN
(NSMD TYPE)
Ø0.315 Solder
Mask Opening
0.05 C
0.06 C
0.625
0.547
E
0.378±0.018
0.208±0.021
C
SEATING PLANE
SIDE VIEWS
D
1.20
0.40
1.60
0.40
1234
0.005 C A B
Ø0.260±0.02
20X
E
D
C
B (Y) ±0.018
A
F
(X) ±0.018
BOTTOM VIEW
NOTES:
A. NO JEDEC REGISTRATION APPLIES.
B. DIMENSIONS ARE IN MILLIMETERS.
C. DIMENSIONS AND TOLERANCE
PER ASMEY14.5M, 1994.
D. DATUM C IS DEFINED BY THE SPHERICAL
CROWNS OF THE BALLS.
E. PACKAGE NOMINAL HEIGHT IS 586 MICRONS
±39 MICRONS (547-625 MICRONS).
F. FOR DIMENSIONS D, E, X, AND Y SEE
PRODUCT DATASHEET.
G. DRAWING FILNAME: MKT-UC020AArev3.
Figure 31 20-Ball WLCSP, 4x5 Array, 0.4mm Pitch, 250 µm Ball
Product-Specific Dimensions
Product
D
FAN53541UCX
1.96 +0.030
E
1.56 +0.030
X
0.180
Y
0.180
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therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/dwg/UC/UC020AA.pdf.
© 2013 Fairchild Semiconductor Corporation
FAN53541 • Rev. 1.0.2
14
www.fairchildsemi.com