tda3681 NXP Semiconductors, tda3681 Datasheet - Page 14

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

Philips Semiconductors
2004 Mar 31
V
V
V
V
V
V
V
V
V
Reset and hold buffer
I
I
I
t
t
Reset delay
I
I
V
V
t
t
Regulator 1 (I
V
V
sink(L)
LO
source(H)
r
f
ch
dch
d(RES)
d(SW)
V
V
SYMBOL
th(r)(REG3)
th(f)(REG3)
hys(REG3)
th(r)(REG4)
th(f)(REG4)
hys(REG4)
th(r)(VP)
th(f)(VP)
hys(VP)
th(r)(RES)
th(f)(RES)
o(off)
o(REG1)
Multiple voltage regulator with switch and
ignition buffer
line
load
rising threshold voltage
of regulator 3
falling threshold voltage
of regulator 3
hysteresis voltage due to
regulator 3
rising threshold voltage
of regulator 4
falling threshold voltage
of regulator 4
hysteresis voltage due to
regulator 4
rising threshold voltage
of supply voltage
falling threshold voltage
of supply voltage
hysteresis voltage of
supply voltage
LOW-level sink current
output leakage current
HIGH-level source
current
rise time
fall time
reset delay capacitor
charge current
reset delay capacitor
discharge current
rising voltage threshold
reset signal
falling voltage threshold
reset signal
delay reset signal
delay power switch
foldback protection
output voltage off
output voltage
line regulation
load regulation
REG1
= 5 mA; unless otherwise specified)
PARAMETER
V
V
V
V
V
V
V
V
V
V
note 4
note 4
V
V
V
C
C
1 mA
9.5 V
9.5 V
1 mA
P2
P2
P2
P2
EN
EN
EN
RES
P2
P2
CRES
CRES
P1
RES
RES
rising; note 3
falling; note 3
rising; note 3
falling; note 3
= 14.4 V; V
= 14.4 V; V
= V
= 0 V
= 0 V
= 0 V
= 47 nF; note 5
= 47 nF; note 6
= 0 V
= 3 V;
0.8 V; V
P2
I
V
V
I
CONDITIONS
REG1
REG1
P1
P1
= 4.3 V
18 V
18 V
HOLD
RES
HOLD
600 mA
600 mA
14
= 5 V
4.5 V
0.8 V
4.3
2.7
9.1
9.0
2
240
2
1.0
2.5
1.0
20
8
8.0
8.0
MIN.
V
V
0.2
V
V
0.15
9.7
9.4
0.3
0.1
400
7
1
4
1.6
3.0
1.2
35
17.6
1
8.5
8.5
2
20
REG3
REG3
REG4
REG4
TYP.
0.15 V
0.35
0.15 V
0.3
10.3
9.8
5
900
50
50
8
3.5
1.4
70
40
400
9.0
9.0
75
85
Product specification
REG3
REG4
MAX.
TDA3681
0.075 V
0.075 V
UNIT
V
V
V
V
V
V
V
mA
mA
V
V
ms
ms
mV
V
V
mV
mV
A
A
s
s
A