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L99LD21 Fiches technique(PDF) 66 Page - STMicroelectronics

No de pièce L99LD21
Description  High power LED driver for automotive applications
PDF  73 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99LD21 Fiches technique(HTML) 66 Page - STMicroelectronics

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Package and PCB thermal data
L99LD21
66/73
DS11130 Rev 5
7
Package and PCB thermal data
7.1
QFN-40L 6x6 thermal data
Figure 15. QFN-40L 6x6 on four-layers PCB
Table 47. PCB properties
Dimension
Value
Board finish thickness
1.6 mm +/- 10%
Board dimension
129 mm x 60 mm
Board Material
FR4
Copper thickness (outer layers)
0.070 mm
Copper thickness (inner layers)
0.035 mm
Thermal vias separation
1.2 mm
Thermal via diameter
0.3 mm +/- 0.08 mm
Copper thickness on vias
0.025 mm



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