Philips TDA8571J - 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.