SC1176_06 Datasheet, PDF (22/23 Pages) Semtech Corporation – Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry

SC1176/SC1176A
POWER MANAGEMENT
Outline Drawing - SOIC-20
A
N
e
2X E/2
ccc C
2X N/2 TIPS
123
e/2
B
D
D
E1 E
DIMENSIONS
DIM
INCHES
MIN NOM MAX
MILLIMETERS
MIN NOM MAX
A .093 - .104 2.35 - 2.65
A1 .004 - .012 0.10 - 0.30
A2 .081 - .100 2.05 - 2.55
b .012 - .020 0.31 - 0.51
c .008 - .013 0.20 - 0.33
D .500 .504 .508 12.70 12.80 12.90
E1 .291 .295 .299 7.40 7.50 7.60
E
.406 BSC
10.30 BSC
e
.050 BSC
1.27 BSC
h .010 - .030 0.25 - 0.75
L .016 - .041 0.40 - 1.04
L1
(.041)
(1.04)
N
20
20
01 0° - 8° 0° - 8°
aaa
.004
0.10
bbb
.010
0.25
ccc
.013
0.33
aaa C
SEATING
PLANE
C
A2 _A
h
h
H
bxN
A1
bbb C A-B D
GAGE
c
PLANE
0.25
NOTES:
SIDE VIEW
SEE DETAIL A
1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
2. DATUMS -A- AND -B- TO BE DETERMINED AT DATUM PLANE-H-
3. DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS
OR GATE BURRS.
4. REFERENCE JEDEC STD MS-013, VARIATION AC.
L
(L1)
01
DETAIL A
Land Pattern - SOIC-20
X
(C)
P
GZ
Y
DIM
C
G
P
X
Y
Z
DIMENSIONS
INCHES MILLIMETERS
(.362)
(9.20)
.276
7.00
.050
1.27
.024
0.60
.087
2.20
.449
11.40
NOTES:
1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.
CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR
COMPANY'S MANUFACTURING GUIDELINES ARE MET.
2. REFERENCE IPC-SM-782A, RLP NO. 307A.
 2006 Semtech Corp.
22
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