2002 Mar 05 7
Philips Semiconductors Product specification
4×40 W BTL quad car radio power
amplifier TDA8571JLIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
THERMAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VPsupply voltage operating −18 V
non-operating −30 V
load dump protection;
during 50 ms; tr≥2.5ms
−45 V
Vsc(safe) short-circuit safe voltage −18 V
Vrp reverse polarity voltage −6V
I
OSM non-repetitive peak output current −10 A
IORM repetitive peak output current −7.5 A
Ptot total power dissipation −60 W
Tstg storage temperature −55 +150 °C
Tamb ambient temperature −40 +85 °C
Tvj virtual junction temperature −150 °C
SYMBOL PARAMETER VALUE UNIT
Rthj-a thermal resistance from junction to ambient in free air 40 K/W
Rthj-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.