Texas Instruments TPS54560 Step-Down DC-DC Converter Evaluation Module TPS54560EVM-515 TPS54560EVM-515 데이터 시트
제품 코드
TPS54560EVM-515
(
)
(
)
=
-
´
TH
TOT
A max
J max
T
T
R
P
=
+
´
J
A
TH
TOT
T
T
R
P
TOT
COND
SW
GD
Q
P
P
P
P
P
0.958 W
0.118 W
0.014 W
0.0018 W
1.092 W
=
+
+
+
=
+
+
+
=
SLVSBN0A – MARCH 2013 – REVISED MARCH 2014
(54)
For given T
A
,
(55)
For given T
JMAX
= 150°C
where
•
Ptot is the total device power dissipation (W)
•
T
A
is the ambient temperature (°C).
•
T
J
is the junction temperature (°C).
•
R
TH
is the thermal resistance of the package (°C/W)
•
T
JMAX
is maximum junction temperature (°C)
•
T
AMAX
is maximum ambient temperature (°C).
(56)
There will be additional power losses in the regulator circuit due to the inductor ac and dc losses, the catch diode
and PCB trace resistance impacting the overall efficiency of the regulator.
and PCB trace resistance impacting the overall efficiency of the regulator.
Copyright © 2013–2014, Texas Instruments Incorporated
31
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