tda3681 NXP Semiconductors, tda3681 Datasheet - Page 16

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

Philips Semiconductors
2004 Mar 31
Regulator 4 (I
V
V
I
SVRR
V
I
I
Power switch
V
I
V
I
V
I
Backup switch
I
V
I
Schmitt trigger for enable ignition input
V
V
V
I
I
V
V
q
m(REG4)
sc(REG4)
DC(SW)
M(SW)
sc(SW)
DC(BU)
r(BU)
LI
i(clamp)
V
V
SYMBOL
o(off)
o(REG4)
drop(REG4)
drop(SW)
clamp(SW)
fb(SW)
clamp(BU)
th(r)(IGNIN)
th(f)(IGNIN)
hys(IGNIN)
IH(clamp)
IL(clamp)
Multiple voltage regulator with switch and
ignition buffer
line
load
output voltage off
output voltage
line regulation
load regulation
quiescent current
supply voltage ripple
rejection
drop-out voltage
current limit
short-circuit current
drop-out voltage
continuous current
clamping voltage
peak current
flyback voltage
behaviour
short-circuit current
continuous current
clamping voltage
reverse current
rising threshold voltage
of ignition input
falling threshold voltage
of ignition input
hysteresis voltage
input leakage current
input clamp current
HIGH-level input
clamping voltage
LOW-level input
clamping voltage
REG4
= 5 mA; unless otherwise specified)
PARAMETER
1 mA
6.5 V
6.5 V
1 mA
I
f
I
V
R
I
note 11
I
note 11
V
V
1 mA < I
V
notes 6, 12 and 13
I
V
note 13
V
V
V
V
V
V
V
V
V
REG4
i
REG4
SW
SW
SW
REG4
P1
P1
P1
P1
BU
P1
P1
P1
P1
P
IGNIN
IGNIN
IGNIN
= 3 kHz; V
L
> 3.5 V
= 1 A; V
= 1.8 A; V
= 100 mA
= 16 V; V
< 17 V;
= 14.4 V; V
= 0 V; V
> 3.5 V
> 3.5 V
> 5 V
0.5 ; note 9
= 1 A
= 1 A; V
17 V;
16.7 V; I
> 3.0 V; note 8
= 5 V
I
V
V
I
CONDITIONS
REG4
REG4
SW
50 V
P1
P1
100 V
< 1.8 A
and/or V
and/or V
i
P1
BU
= 2 V (p-p)
SW
P2
P1
REG2
= 13.5 V;
= 12.4 V
SW
1 A
1 A
16
= 5 V; note 7
= 13.5 V;
= 13.5 V
< 1.2 V;
= 100 mA
P2
P2
18 V 3.14
18 V
3.14
60
1.1
470
1.8
13.5
3
0.5
0.3
1.9
1.7
0.1
V
MIN.
0.6
P1
1
3.3
3.3
2
20
15
70
1.7
1.5
750
0.45
1.0
2.0
15.0
V
1.7
0.35
2.2
2.0
0.2
P1
TYP.
+ 3
400
3.46
3.46
50
50
40
2.4
0.65
1.8
16.0
22
16
900
2.5
2.3
0.5
1.0
50
50
0
Product specification
MAX.
TDA3681
UNIT
mV
V
V
mV
mV
mA
dB
V
A
mA
V
V
A
V
A
V
A
A
V
V
V
V
mA
V
V
A
A