![Shivaki STV-24LEDGR7 Скачать руководство пользователя страница 48](http://html.mh-extra.com/html/shivaki/stv-24ledgr7/stv-24ledgr7_service-manual_1258788048.webp)
D-class power amplifier
R2A15120FA
PRELI
MINAR
Y
some
param
etric lim
its are
subjec
t to ch
ange.
CONFIDENTIAL
8. Heat decrease curve
Thermal De-rating
Exposure Die-pad(solder connection)
High heat radiation QFP
:
7mm
□
Board
IC
At use PKG 48pin HTQFP
board mounting
Exposed Die-pad(solder connection)
Using an ideal Heat Sink
(
θ
jc=17.86 ºC/W
:
Simulation value)
(*1)
(Board specification)
1.Material : Glass epoxy
2.Size : 75 x 82 mm
(Wiring specification of 1/2 layer
)
1.Material : Copper
2.Thickness : t= 35mm
150
℃
25
℃
75
℃
7.00W
Ta
Pd
4.20W
0W
3.78W
2.27W
θ
ja=33.1 ºC/W : Evaluated value
Measured by Renesas R2A15120FA EVB
(*1) Board specification
1.96W
3.47W
Warning of over temperature(Reference)
140
℃
Page 32 of 152
Содержание STV-24LEDGR7
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Страница 26: ...BLOCK DIAGRAM DVD System Block Diagram Page 10 of 152 ...
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