tda3681a NXP Semiconductors, tda3681a Datasheet - Page 13

• Manufacturer Part Number: tda3681a
• Description: Tda3681a Multiple Voltage Regulator With Switch And Ignition Buffer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Aug 29
Power switch
V
I
V
I
V
I
Backup switch
I
V
I
Schmitt trigger for enable of ignition input
V
V
V
I
I
V
V
Ignition buffer
V
V
I
I
I
t
t
DC(SW)
M(SW)
sc(SW)
DC(BU)
r(BU)
LI
i(clamp)
OL
OH
LO
PLH
PHL
SYMBOL
drop(SW)
clamp(SW)
fb(SW)
clamp(BU)
th(r)(IGNIN)
th(f)(IGNIN)
hys(IGNIN)
IH(clamp)
IL(clamp)
OL
OH
Multiple voltage regulator with
switch and ignition buffer
drop-out voltage
continuous current
clamping voltage
peak current
flyback voltage behaviour I
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
LOW-level output voltage I
HIGH-level output
voltage
LOW-level output current V
HIGH-level output current V
output leakage current
(source)
LOW-to-HIGH
propagation time
HIGH-to-LOW
propagation time
PARAMETER
I
note 11
I
note 11
V
V
1 mA < I
V
notes 6, 12 and 13
V
V
V
V
V
V
V
V
V
I
V
V
V
2.5 to 1.7 V
SW
SW
SW
IGNOUT
IGNOUT
P1
P1
P1
SW
BU
P1
P1
P1
P1
P
IGNIN
IGNIN
IGNOUT
IGNOUT
IGNOUT
IGNIN
IGNIN
> 3.5 V
= 1 A; V
= 1.8 A; V
= 100 mA
= 16 V; V
< 17 V;
= 0 V; V
> 3.5 V
> 3.5 V
> 5 V
< 1.2 V; note 13
17 V;
16.7 V; I
= 5 V
> 50 V
rising from 1.7 to 2.5 V
falling from
CONDITIONS
= 0 mA
= 0 mA
SW
= 5 V; V
0.8 V
4.5 V
< 1.8 A
P1
BU
SW
P1
REG2
= 13.5 V;
= 12.4 V
13
= 13.5 V;
IGNIN
= 13.5 V
= 100 mA
= 0 V
1.8
13.5
3
0.5
0.3
1.9
1.7
0.1
V
0
4.5
0.45
MIN.
0.6
0.45
P1
0.45
1.0
2.0
15.0
V
1.7
0.35
2.2
2.0
0.2
0.2
5.0
0.8
2.0
P1
+ 3
TYP.
0.65
1.8
16.0
22
16
900
2.5
2.3
0.5
1.0
50
50
0
0.8
5.25
1.0
500
500
Product specification
TDA3681A
MAX.
V
V
A
V
A
V
A
A
V
V
V
V
mA
V
V
V
V
mA
mA
UNIT
A
A
A
s
s