sc483itstrt Semtech Corporation, sc483itstrt Datasheet - Page 26

• Manufacturer Part Number: sc483itstrt
• Description: Sc483 Dual Synchronous Buck Pseudo-fixed-frequency Power-supply Controller
• Manufacturer: Semtech Corporation

POWER MANAGEMENT
Outline Drawing - TSSOP-28
2005 Semtech Corp.
SEATING
PLANE
NOTES:
INDICATOR
2X N/2 TIPS
1.
2.
3.
4.
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
-A-
N
1
AND
2
3
SIDE VIEW
-B-
A
TO BE DETERMINED AT DATUM PLANE
D
bbb
bxN
B
e/2
C A-B D
e
SEE DETAIL
A1
E1
26
A2
D
E
PLANE
A
GAGE
0.25
A
DIM
aaa
bbb
ccc
A1
A2
E1
L1
01
D
N
A
b
E
e
L
c
H
-H-
MIN
.002
.031
.007
.003
.378
.169
.018
0°
-
INCHES
.252 BSC
.026 BSC
NOM
(.039)
.382
.173
.024
.004
.004
.008
28
DIMENSIONS
-
-
-
-
-
-
DETAIL
MAX
.047
.006
.042
.012
.007
.386
.177
.030
8°
(L1)
A
MIN
0.05
0.80
0.19
0.09
9.60
4.30
0.45
MILLIMETERS
0°
-
L
6.40 BSC
0.65 BSC
NOM
9.70
4.40
0.60
(1.0)
0.10
0.10
0.20
28
-
-
-
-
-
-
01
c
MAX
www.semtech.com
1.20
0.15
1.05
0.30
0.20
9.80
4.50
0.75
8°
SC483