FAN53540 Fairchild Semiconductor, FAN53540 Datasheet - Page 14

• Manufacturer Part Number: FAN53540
• Description: The FAN53540 is a step-down switching voltage regulator that delivers an adjustable output from an input voltage supply of 2
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FAN53540 • Rev. 1.0.2
Physical Dimensions
Product-Specific Dimensions
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without
notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most
recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty
therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/packaging.
FAN53540UCX
INDEX AREA
Product
2X
BALL A1
0.03 C
1.60
0.05 C
C
D
0.40
0.40
TOP VIEW
1 2 3 4
BOTTOM VIEW
1.20
E
Figure 31 20-Ball WLCSP, 4x5 Array, 0.4mm Pitch, 250µm Ball
SEATING PLANE
1.96 +0.030
D
E
D
C
B
A
(X) ±0.018
A
0.625
0.547
Ø0.260±0.02
20X
D
B
(Y) ±0.018
0.06 C
F
0.005
2X
F
0.03 C
E
C A B
SIDE VIEWS
1.56 +0.030
14
E
NOTES:
B. DIMENSIONS ARE IN MILLIMETERS.
C. DIMENSIONS AND TOLERANCE
D. DATUM C IS DEFINED BY THE SPHERICAL
E. PACKAGE NOMINAL HEIGHT IS 586 MICRONS
F. FOR DIMENSIONS D, E, X, AND Y SEE
G. DRAWING FILNAME: MKT-UC020AArev2.
A. NO JEDEC REGISTRATION APPLIES.
RECOMMENDED LAND PATTERN
±39 MICRONS (547-625 MICRONS).
PER ASMEY14.5M, 1994.
CROWNS OF THE BALLS.
PRODUCT DATASHEET.
1.60
0.40
(NSMD TYPE)
A1
0.180
X
1.20
0.40
0.378±0.018
0.208±0.021
Mask Opening
Ø0.20
Cu Pad
Ø0.30 Solder
www.fairchildsemi.com
0.180
Y