Philips Semiconductors
Multiple voltage regulator with
switch and ignition buffer
Product specification
TDA3681A
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
PARAMETER
VP1
supply voltage 1
operating
reverse polarity
jump start
load dump protection
VP2
supply voltage 2
operating
reverse polarity
jump start
load dump protection
Ptot
Tstg
Tamb
Tj
total power dissipation
storage temperature
ambient temperature
junction temperature
CONDITIONS
MIN.
−
non-operating
−
t ≤ 10 minutes
−
t ≤ 50 ms; tr ≥ 2.5 ms −
−
non-operating
−
t ≤ 10 minutes
−
t ≤ 50 ms; tr ≥ 2.5 ms −
−
non-operating
−55
operating
−40
operating
−40
MAX.
UNIT
18
V
18
V
30
V
50
V
18
V
18
V
30
V
50
V
62
W
+150
°C
+85
°C
+150
°C
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth(j-c)
Rth(j-a)
thermal resistance from junction to case
thermal resistance from junction to ambient
CONDITIONS
in free air
VALUE
2
50
UNIT
K/W
K/W
QUALITY SPECIFICATION
In accordance with “General Quality Specification For Integrated Circuits (SNW-FQ-611)”.
2003 Aug 29
9