Philips Semiconductors
Product specification
Dual BTL power driver
LIMITING VALUES
In accordance with the Absolute Maximum System (IEC 134).
SYMBOL
V
P
I
ORM
I
OSM
P
tot
PARAMETER
positive supply voltage range
repetitive peak output current
non repetitive peak output current
total power dissipation
TDA7073A
TDA7073AT
T
stg
T
vj
T
sc
Note
storage temperature range
virtual junction temperature
short-circuit time
see note 1
TDA7073A; TDA7073AT
CONDITIONS
MIN.
−
−
−
MAX.
18
1
1.5
2.5
1.32
+150
150
1
UNIT
V
A
A
W
W
°C
°C
hr
T
amb
< 25
°C
T
amb
< 25
°C
−
−
−55
−
−
1. The outputs can be short-circuited over the load, to the supply and to ground at all input conditions.
THERMAL CHARACTERISTICS
SYMBOL
R
th (j-a)
TDA7073A
TDA7073AT
Notes
1. TDA7073A: V
P
= 5 V; R
L
= 8
Ω;
The typical voltage swing = 5.8 V and V
loss
is 2.1 V therefore I
O
= 0.36 A and
P
tot
= 2
×
0.76 W = 1.52 W; T
amb (max)
= 150
−
1.52
×
50 = 74
°C.
2. TDA7073AT: V
P
= 5 V; R
L
= 16
Ω;
typical voltage swing = 5.8 V and V
loss
is 2.1 V therefore I
O
= 0.18 A and
P
tot
= 2
×
0.38 W = 0.76 W; T
amb (max)
= 150
−
0.76
×
95 = 77
°C.
PARAMETER
from junction to ambient
in free air; note 1
in free air; note 2
50
95
K/W
K/W
CONDITIONS
VALUE
UNIT
1999 Aug 30
5
PHILIPS [ NXP SEMICONDUCTORS ]
