SC2446A Semtech Corporation, SC2446A Datasheet - Page 27

• Manufacturer Part Number: SC2446A
• Description: Dual-Phase Single or Two Output Synchronous Step-Down Controller
• Manufacturer: Semtech Corporation

Outline Drawing - TSSOP-28
Land Pattern - TSSOP-28
Contact Information
POWER MANAGEMENT
2005 Semtech Corp.
NOTES:
SEATING
PLANE
NOTES:
1.
INDICATOR
(C)
2X N/2 TIPS
1.
2.
3.
4.
X
THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.
CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR
COMPANY'S MANUFACTURING GUIDELINES ARE MET.
P
PIN 1
2X
CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
DATUMS
DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS
OR GATE BURRS.
REFERENCE JEDEC STD MO-153, VARIATION AE.
aaa C
ccc C
E/2
C
Phone: [phone] FAX [phone]
-A-
N
1
200 Flynn Road, Camarillo, CA 93012
Power Management Products Division
AND
2
3
SIDE VIEW
-B-
A
TO BE DETERMINED AT DATUM PLANE
D
bbb
Semtech Corporation
bxN
B
e/2
C A-B D
G
Y
e
SEE DETAIL
Z
A1
27
E1
DIM
A2
C
G
P
X
Y
Z
D
E
PLANE
A
GAGE
0.25
A
DIM
aaa
bbb
ccc
A1
A2
E1
L1
01
INCHES
D
N
A
b
c
E
e
L
(.222)
.161
.026
.016
.061
.283
H
-H-
MIN
.002
.031
.007
.003
.378
.169
.018
DIMENSIONS
0°
-
INCHES
.252 BSC
.026 BSC
NOM
(.039)
.382
.173
.024
.004
.004
.008
28
DIMENSIONS
-
-
-
-
-
-
DETAIL
MILLIMETERS
MAX
.047
.006
.042
.012
.007
.386
.177
.030
8°
(L1)
(5.65)
A
4.10
0.65
0.40
1.55
7.20
MIN
MILLIMETERS
0.05
0.80
0.19
0.09
9.60
4.30
0.45
0°
-
L
6.40 BSC
0.65 BSC
NOM
9.70
(1.0)
4.40
0.60
0.10
0.10
0.20
28
-
-
-
-
-
-
01
c
MAX
1.20
0.15
1.05
0.30
0.20
9.80
4.50
0.75
8°
www.DataSheet4U.com
SC2446A
www.semtech.com