sc1470 Semtech Corporation, sc1470 Datasheet - Page 24

• Manufacturer Part Number: sc1470
• Description: Synchronous Buck Pseudo Fixed Frequency Power Supply Controller
• Manufacturer: Semtech Corporation

POWER MANAGEMENT
Marking Information
Outline Drawing - TSSOP-14
2005 Semtech Corp.
ww = two-digit week of manufacture
yy = two-digit year of manufacture
Top Mark
NOTES:
SEATING
PLANE
INDICATOR
1.
2.
3.
4.
2X N/2 TIPS
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 AB-1.
2X
PIN 1
aaa C
ccc C
E/2
C
-A-
AND
1 2 3
SIDE VIEW
A
B
-B-
D
TO BE DETERMINED AT DATUM PLANE
bbb
bxN
A1
C A-B D
e
E1
SEE DETAIL
A2
D
E
A
PLANE
GAGE
24
0.25
A
DIM
aaa
bbb
ccc
A1
A2
E1
L1
01
A
D
E
N
b
c
e
L
H
MIN
.002
.031
.007
.003
.193
.169
.018
0°
-H-
-
INCHES
.252 BSC
.026 BSC
NOM
(.039)
.197
.173
.024
.004
.004
.008
14
DIMENSIONS
-
-
-
-
-
-
DETAIL
MAX
.047
.006
.042
.012
.007
.201
.177
.030
8°
xxxxxx = Wafer Lot Number
A
(L1)
MIN
0.05
0.80
0.19
0.09
4.90
4.30
0.45
MILLIMETERS
0°
-
xx = Assembly Lot Number
6.40 BSC
0.65 BSC
L
Bottom Mark
NOM MAX
5.00
4.40
0.60
(1.0)
0.10
0.10
0.20
14
-
-
-
-
-
-
1.20
0.15
1.05
0.30
0.20
5.10
4.50
0.75
01
8°
c
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SC1470