CM3202-00SM CALMIRCO [California Micro Devices Corp], CM3202-00SM Datasheet - Page 10

• Manufacturer Part Number: CM3202-00SM
• Description: DDR VDDQ and Termination Voltage Regulator
• Manufacturer: CALMIRCO [California Micro Devices Corp]

Application Info (cont’d)
blocking of the solder. The ground and power planes
need to be at least 2 square inches of copper by the
vias. It also helps dissipation if the chip is positioned
away from the edge of the PCB, and not near other
heat-dissipating devices. A good thermal link from the
PCB pad to the rest of the PCB will assure the best
© 2006 California Micro Devices Corp. All rights reserved.
05/08/06
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
Ground Plane
Bottom Layer
Ground Plane
Bottom Layer
Note: This drawing is not to scale
(SOIC-8 Package)
(TDFN-8 Package)
Top View
Top View
Figure 2. Thermal Layout
Vias (0.3mm Diameter)
Vias (0.3mm Diameter)
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Connects to Heat Spreader
Connects to Heat Spreader
Tel: [phone]
Top Layer Copper
Top Layer Copper
heat transfer from the CM3202-00DE (TDFN-8) to
ambient,
approximately 85 °C/W for the CM3202-00SM (SOIC-
8).
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Fax: [phone]
Pin Solder Mask
, of approximately 42.5 -°C/W, or
Thermal PAD
Solder Mask
Pin Solder Mask
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PRELIMINARY
CM3202
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