sc1175 Semtech Corporation, sc1175 Datasheet - Page 22

• Manufacturer Part Number: sc1175
• Description: Sc1175 Low-power Dual Synchronous Dc/dc Controller With Current-sharing Circuitry
• Manufacturer: Semtech Corporation

POWER MANAGEMENT
Outline Drawing - TSSOP-20
Land Pattern - TSSOP-20
2004 Semtech Corp.
NOTES:
1.
(C)
THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.
CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR
COMPANY'S MANUFACTURING GUIDELINES ARE MET.
X
NOTES:
P
1.
2.
3.
4.
INDICATOR
SEATING
PLANE
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 AC.
2X N/2 TIPS
2X
PIN 1
aaa C
ccc C
E/2
C
-A-
AND
N
1
SIDE VIEW
2
A
-B-
3
TO BE DETERMINED AT DATUM PLANE
D
bxN
B
e/2
bbb
G
Y
e
A1
SEE DETAIL
E1
C A-B D
Z
A2 A
D
E
22
A
DIM
aaa
bbb
ccc
A1
A2
E1
L1
01
D
N
A
b
E
e
L
c
DIM
G
-H-
C
P
X
Y
Z
PLANE
GAGE
MIN
.002
.031
.007
.003
.251
.169
.018
0.25
0°
-
INCHES
.252 BSC
.026 BSC
NOM MAX
(.039)
.255
.173
.024
.004
.004
.008
20
DIMENSIONS
-
-
-
-
-
-
H
INCHES
.047
.006
.042
.012 0.19
.007
.259
.177
.030
(.222)
8°
.161
.026
.016
.061
.283
DIMENSIONS
DETAIL
MIN
0.05
0.80
0.09
6.40
4.30
0.45
MILLIMETERS
0°
-
6.40 BSC
0.65 BSC
NOM
6.50
4.40
0.60
(1.0)
0.10
0.10
0.20
20
(L1)
-
-
-
-
-
-
A
L
MAX
MILLIMETERS
1.20
0.15
1.05
0.30
0.20
6.60
4.50
0.75
8°
01
(5.65)
c
4.10
0.65
0.40
1.55
7.20
www.semtech.com
SC1175