FAN5904 Fairchild Semiconductor, FAN5904 Datasheet - Page 2

• Manufacturer Part Number: FAN5904
• Description: The FAN5904 is a high-efficiency, low-noise, synchronous, step-down, DC-DC converter optimized for powering Radio Frequency (RF) Power Amplifiers (PAs) in handsets and other mobile applications
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FAN5904 • Rev. 3.0.5
Physical 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/
FAN5904UC00X
FAN5904UC01X
Product
INDEX AREA
BALL A1
2X
0.05 C
0.03 C
0.40
0.40
C
BOTTOM VIEW
1.710 ±0.030
1.710 ±0.030
TOP VIEW
1 2 3 4
Figure 60. 1.71x1.71mm Square, 16 Bumps, 0.4mm Pitch, WLCSP
D
E
PLANE
SEATING
C
D
B
A
(X) ±0.018
A
0.625
0.547
Ø0.260±0.02
16X
(Y) ±0.018
B
D
D
0.06 C
2X
F
0.005
1.710 ±0.030
1.710 ±0.030
F
0.03 C
E
E
C A B
SIDE VIEWS
22
NOTES:
F. FOR DIMENSIONS D, E, X, AND Y SEE
B. DIMENSIONS ARE IN MILLIMETERS.
C. DIMENSIONS AND TOLERANCE
D. DATUM C IS DEFINED BY THE SPHERICAL
E. PACKAGE NOMINAL HEIGHT IS 586 MICRONS
G. DRAWING FILNAME: MKT-UC016AArev2.
A. NO JEDEC REGISTRATION APPLIES.
±39 MICRONS (547-625 MICRONS).
PER ASME Y14.5M, 1994.
CROWNS OF THE BALLS.
PRODUCT DATASHEET.
RECOMMENDED LAND PATTERN
0.255
0.255
X
(NSMD PAD TYPE)
0.40
A1
0.40
0.378±0.018
0.255
0.255
0.208±0.021
Y
(Ø0.20)
Cu Pad
(Ø0.30) Solder
Mask Opening
www.fairchildsemi.com
Unit
mm
mm