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L4979MD Datasheet(PDF) 14 Page - STMicroelectronics

Part # L4979MD
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

L4979MD Datasheet(HTML) 14 Page - STMicroelectronics

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Package and PCB thermal data
L4979D-E, L4979MD
14/22
DS3717 Rev 12
Figure 7. SO-8 thermal impedance junction ambient single pulse
Equation 1: pulse calculation formula
where
 = tP/T
Figure 8. Thermal fitting model of Vreg in SO-8
0.1
1
10
100
1000
0.0001
0.001
0.01
0.1
1
10
100
1000
ZTH (°C/W)
Time (s)
Cu=2 cm2
Cu=foot print
GAPGCFT00209
ZTH RTH  ZTHtp 1 
–

+
=
GAPGCFT00161



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