Limiting values, Thermal characteristics – Philips TDA8571J User Manual
Page 7
2002 Mar 05
7
Philips Semiconductors
Product specification
4
×
40 W BTL quad car radio power
amplifier
TDA8571J
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
P
supply voltage
operating
−
18
V
non-operating
−
30
V
load dump protection;
during 50 ms; t
r
≥
2.5 ms
−
45
V
V
sc(safe)
short-circuit safe voltage
−
18
V
V
rp
reverse polarity voltage
−
6
V
I
OSM
non-repetitive peak output current
−
10
A
I
ORM
repetitive peak output current
−
7.5
A
P
tot
total power dissipation
−
60
W
T
stg
storage temperature
−
55
+150
°
C
T
amb
ambient temperature
−
40
+85
°
C
T
vj
virtual junction temperature
−
150
°
C
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-a
thermal resistance from junction to ambient in free air
40
K/W
R
th j-c
thermal resistance from junction to case (see Fig.6)
1
K/W
handbook, halfpage
3.2 K/W
0.2 K/W
3.2 K/W
3.2 K/W
3.2 K/W
virtual junction
OUT1
OUT2
OUT3
OUT4
case
MGG157
Fig.6 Equivalent thermal resistance network.