tda3681 NXP Semiconductors, tda3681 Datasheet - Page 13

• Manufacturer Part Number: tda3681
• Description: Multiple Voltage Regulator With Switch And Ignition Buffer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CHARACTERISTICS
V
2004 Mar 31
Supplies
V
V
V
I
Schmitt trigger for power supply (regulators 1, 3 and 4)
V
V
V
Schmitt trigger for enable input (regulators 1, 3, 4 and power switch)
V
V
V
I
Reset trigger level of regulator 2
V
V
Schmitt triggers for hold circuit output
V
V
V
q(tot)
LI
P
SYMBOL
P1
P2
bat(loaddump)
th(r)
th(f)
hys
th(r)
th(f)
hys
th(r)
th(f)
th(r)(REG1)
th(f)(REG1)
hys(REG1)
Multiple voltage regulator with switch and
ignition buffer
= V
P1
= V
P2
supply voltage 1
supply voltage 2
battery overvoltage
shutdown
total quiescent supply
current
rising threshold voltage
falling threshold voltage
hysteresis voltage
rising threshold voltage
falling threshold voltage
hysteresis voltage
input leakage current
rising threshold voltage
falling threshold voltage
rising threshold voltage
of regulator 1
falling threshold voltage
of regulator 1
hysteresis voltage due to
regulator 1
= 14.4 V; T
operating
reverse polarity
regulator 2 on
jump start
load dump protection
operating
reverse polarity
regulator 2 on
jump start
load dump protection
PARAMETER
amb
= 25 C; measured in test circuits of Figs 10 and 11; unless otherwise specified.
non-operating
note 1
t
t
non-operating
t
t
V
V
V
V
V
I
V
V
note 3
V
note 3
V
V
REG
P1
P
P
P1
P1
EN
P1
P1
P1
P1
10 minutes
50 ms; t
10 minutes
50 ms; t
= 12.4 V; note 2
= 14.4 V; note 2
and/or V
rising
falling
rising; I
falling; I
rising; note 3
falling; note 3
= 5 V
= I
SW
CONDITIONS
= 1 mA
r
r
REG2
REG2
P2
2.5 ms
2.5 ms
13
= 50 mA;
= 50 mA;
9.5
4
6.5
0
18
6.5
4.0
1.4
0.9
1
4.43
4.4
7.67
MIN.
14.4
14.4
14.4
20
105
110
7.0
4.5
2.5
1.8
1.3
0.5
5
V
V
V
V
0.2
REG2
REG2
REG1
REG1
TYP.
0.15 V
0.25 V
0.15 V
0.35
18
18
50
30
50
18
18
50
30
50
22
145
150
7.5
5.0
2.4
1.9
20
Product specification
REG2
REG2
REG1
MAX.
TDA3681
0.1
0.13
0.075 V
UNIT
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A