TDA3683_2 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 02 — 7 October 2005 14 of 31
Philips Semiconductors
TDA3683
Multiple voltage regulator with switch and ignition buffer
8. Limiting values
9. Thermal characteristics
10. Characteristics
Table 5: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
P1
supply voltage 1 operating - 18 V
reverse polarity; non-operating - 18 V
jump start; t ≤ 10 minutes - 30 V
load dump protection; t ≤ 50 ms; t
r
≥ 2.5 ms - 50 V
V
P2
supply voltage 2 operating - 18 V
reverse polarity; non-operating - 18 V
jump start; t ≤ 10 minutes - 30 V
load dump protection; t ≤ 50 ms; t
r
≥ 2.5 ms - 50 V
T
stg
storage temperature non-operating −55 +150 °C
T
amb
ambient temperature operating −40 +85 °C
T
j
junction temperature operating −40 +150 °C
Table 6: Thermal characteristics
Symbol Parameter Conditions Typ Unit
R
th(j-c)
thermal resistance from junction to case 1 K/W
R
th(j-a)
thermal resistance from junction to ambient in free air 40 K/W
Table 7: Characteristics
V
P1
= V
P2
= 14.4 V; T
amb
=25
°
C; R
L
=
∞Ω
; measured in test circuits of Figure 8; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Supplies
V
P1
supply voltage 1 operating 9 14.4 18 V
regulators 1, 2 and 3 on
[1]
4.0 14.4 50 V
jump start; t ≤ 10 minutes - - 30 V
load dump protection;
t ≤ 50 ms; t
r
≥ 2.5 ms
- - 50 V
V
P2
supply voltage 2 operating 6.5 14.4 18 V
regulators 1, 2 and 3 on 0 - 50 V
jump start; t ≤ 10 minutes - - 30 V
load dump protection;
t ≤ 50 ms; t
r
≥ 2.5 ms
- - 50 V
V
bat(loaddump)
battery overvoltage
shutdown
V
P1
and/or V
P2
18 20 22 V