SC4611 Datasheet, PDF (11/11 Pages) Semtech Corporation – Wide Input Range High Performance Synchronous Buck Switching Regulator

SC4611
POWER MANAGEMENT
Outline Drawing - TSSOP-20
A
N
2X E/2
PIN 1
INDICATOR
ccc C 1 2 3
2X N/2 TIPS
e
D
E1 E
e/2
B
aaa C
SEATING
PLANE _C
D
A2 A
A1
bxN
bbb C A-B D
DIMENSIONS
DIM
INCHES
MIN NOM MAX
MILLIMETERS
MIN NOM MAX
A-
- .047 -
- 1.20
A1 .002 - .006 0.05 - 0.15
A2 .031 - .042 0.80 - 1.05
b .007 - .012 0.19 - 0.30
c .003 - .007 0.09 - 0.20
D .251 .255 .259 6.40 6.50 6.60
E1 .169 .173 .177 4.30 4.40 4.50
E
.252 BSC
6.40 BSC
e
.026 BSC
0.65 BSC
L .018 .024 .030 0.45 0.60 0.75
L1
(.039)
(1.0)
N
20
20
01 0° - 8° 0° - 8°
aaa
.004
0.10
bbb
.004
0.10
ccc
.008
0.20
H
GAGE
c
PLANE
SIDE VIEW
0.25
SEE DETAIL A
L
(L1)
01
DETAIL A
NOTES:
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 MO-153, VARIATION AC.
Land Pattern - TSSOP-20
X
(C)
P
GZ
Y
DIM
C
G
P
X
Y
Z
DIMENSIONS
INCHES MILLIMETERS
(.222)
(5.65)
.161
4.10
.026
0.65
.016
0.40
.061
1.55
.283
7.20
NOTES:
1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.
CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR
COMPANY'S MANUFACTURING GUIDELINES ARE MET.
Contact Information
Semtech Corporation
Power Management Products Division
200 Flynn Road, Camarillo, CA 93012
Phone: [phone] FAX [phone]
 2004 Semtech Corp.
11
www.semtech.com