Philips Semiconductors
Product specification
Low voltage mono/stereo power amplifier
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
Supply voltage
Peak output current
Total power dissipation
Storage temperature range
Crystal temperature
A.C. and d.c. short-circuit duration
at V
P
= 3,0 V (during mishandling)
t
sc
V
P
I
OM
T
stg
T
c
TDA7050T
max.
max.
6V
150 mA
see derating curve Fig.1
−55
to
+
150
°C
max.
max.
100
°C
5s
handbook, halfpage
600
MLB950
P tot
(mW)
400
200
0
50
0
50
100
150
o
T amb ( C)
Fig.1 Power derating curve.
SO PACKAGE DESIGN EXAMPLE
To achieve the small dimension of the encapsulation the SO package is preferred with only 8 pins. Because a heatsink
is not applicable, the dissipation is limited by the thermal resistance of the 8-pin SO encapsulation until:
T
j max
–
T
amb
100
–
60
---------------------------------
=
---------------------
=
0.25 W
-
-
160
R
th j-a
July 1994
3
PHILIPS [ NXP SEMICONDUCTORS ]
