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L4979D-E Datasheet(PDF) 16 Page - STMicroelectronics

Part # L4979D-E
Description  Automotive low dropout voltage regulator
PDF  22 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4979D-E Datasheet(HTML) 16 Page - STMicroelectronics

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Package and PCB thermal data
L4979D-E, L4979MD
16/22
DS3717 Rev 12
Figure 10. Rthj-amb vs PCB copper area in open box free air condition
Figure 11. SO-20 thermal impedance junction ambient single pulse
50
52
54
56
58
60
62
64
66
68
70
01234567
PCB Cu heatsink area (cm^2)
RTHj_ambvs Cu heatsink area
RTHjamb
GAPGCFT00211
1
10
100
0.0001
0.001
0.01
0.1
1
10
100
ZTH (°C/W)
Time (s)
Cu=6 cm2
Cu=foot print
GAPGCFT00212



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