Linear Technology DC193 Demo Manual page 8

DEMO MANUAL DC193
NO DESIGN SWITCHER
PCB LAYOUT A D FIL
Component Side Silkscreen
Solder Side
PC FAB DRAWI G
C
D
D
D
D
Linear Technology Corporation
8
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900
FAX: (408) 434-0507 TELEX: 499-3977 www.linear-tech.com
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U W
U
2.000"
D
A D
A A
2.000"
A
A
A
A
D
B (6 plcs)
C
Component Side
Solder Side Mask
SYMBOL
A
B
C
D
NOTES: UNLESS OTHERWISE SPECIFIED
1. MATERIAL: 2 LAYERS, 0.062" THK. FR-4 GLASS EPOXY 2 OZ. COPPER CLAD.
2. ALL HOLES SHALL BE PLATED THRU.
3. PLATE THRU HOLES WITH COPPER .0014 MIN. THICKNESS. ALL HOLE SIZES IN HOLE
TABLE ARE AFTER PLATING.
4. SILKSCREEN: WITH WHITE EPOXY NON-CONDUCTIVE INK.
5. FINISH: ELECTRODEPOSITED TIN-LEAD COMPOSITION. BEFORE REFLOW. SOLDER
MASK OVER BARE COPPER (SMOBC).
6. SOLDER MASK: USE FILM PROVIDED, BLUE OR GREEN.
7. SCORING:
Component Side Mask
Pastemask Top
DIAMETER NUMBER OF
(INCH) HOLES
0.020 7
0.040 6
0.072 2
0.094 7
TOTAL HOLES 22
dc193f LT/TP 0298 500 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1998
PLATED
YES
YES
NO
YES