Document Outline
- FEATURES
- GENERAL DESCRIPTION
- ORDERING INFORMATION
- QUICK REFERENCE DATA
- BLOCK DIAGRAM
- PINNING
- FUNCTIONAL DESCRIPTION
- LIMITING VALUES
- THERMAL CHARACTERISTICS
- CHARACTERISTICS
- TEST AND APPLICATION INFORMATION
- SHORT CIRCUIT BEHAVIOUR OF POWER SWITCH
- PACKAGE OUTLINES
- SOLDERING
- DEFINITIONS
- LIFE SUPPORT APPLICATIONS
DATA SHEET
Product specification
Supersedes data of 1997 Aug 15
File under Integrated Circuits, IC01
1997 Aug 21
INTEGRATED CIRCUITS
TDA3604Q; TDA3604TH
Multiple voltage regulators with
external reset delay and switch
1997 Aug 21
2
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q;
TDA3604TH
FEATURES
General
One V
P
-state controlled regulator (regulator 2)
Regulator 2, reset and ignition buffer operate during
load dump and thermal shutdown
Separate control pins for switching regulator 1 and the
power switch
Supply voltage range of
-
18 to +50 V
(operating from 9.75 V)
Low reverse current of regulator 2
Low quiescent current (when regulator 1, power switch
and ignition buffer are switched off)
Ignition input/output
Reset output
Adjustable reset delay time
High ripple rejection
Power switch
Separate supply for the power switch.
Protections
Reverse polarity safe (down to
-
18 V without high
reverse current)
Able to withstand voltages up to 18 V at the outputs
(supply line may be short-circuited)
ESD protected on all pins
Thermal protection
Load dump protection
Foldback current limit protection for regulators 1 and 2
Delayed second current limit protection for the power
switch
The regulator outputs and the power switch are
DC short-circuited safe to ground and V
P
.
GENERAL DESCRIPTION
The TDA3604Q and TDA3604TH are multiple output
voltage regulators with a power switch, intended for use in
car radios with or without a microcontroller.
It contains one fixed voltage regulator with a foldback
current protection (regulator 1) and one fixed voltage
regulator (regulator 2), intended to supply a
microcontroller, that also operates during load dump and
thermal shutdown.
There is a power switch with protections, operated by an
enable input.
The reset and ignition outputs can be used to interface by
the microcontroller. The reset signal can be used to call up
the microcontroller and the ignition output indicates
ignition voltage available.
Both supply pins can withstand load dump pulses and
negative supply voltages.
Regulator 2 will be switched on at a supply voltage >6.5 V
and off at a voltage of regulator 2 <1.9 V.
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA3604Q
DBS13P
plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm)
SOT141-6
TDA3604TH
HSOP20 plastic heat-dissipating small outline package; 20 leads; low stand-off
SOT418-2
1997 Aug 21
3
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
QUICK REFERENCE DATA
Notes
1. Minimum operating voltage, only if V
P
has exceeded 6.5 V.
2. The drop-out voltage of regulator 1 is measured between V
P
and V
REG1
.
3. The drop-out voltage of the power switch is measured between V
I(sw)
and V
O(sw)
.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
P
supply voltage
operating
9.75
14.4
25
V
regulator 2 on
note 1
2.4
14.4
25
V
jump start
t
10 minutes
-
-
30
V
load dump protection
during 50 ms; t
r
2.5 ms
-
-
50
V
I
q
total quiescent current
standby mode
-
400
500
A
T
vj
operating virtual junction
temperature
-
-
150
C
Voltage regulators
V
REG1
output voltage regulator 1
0.5 mA
I
REG1
300 mA
8.65
9.0
9.35
V
V
REG2
output voltage regulator 2
0.5 mA
I
REG2
50 mA; V
P
= 14.4 V
4.8
5.0
5.2
V
V
REGd1
drop-out voltage regulator 1
I
REG1
= 0.3 A; note 2
-
-
0.5
V
Power switch
V
swd
drop-out voltage
I
sw
= 0.5 A; note 3
-
-
1.4
V
I
swM
peak current
t
10 ms
1.4
-
-
A
1997 Aug 21
4
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
BLOCK DIAGRAM
Fig.1 Block diagram (for DBS13P package; SOT141-6).
handbook, full pagewidth
MBE237
REGULATOR 1
IGNITION
BUFFER
REGULATOR 2
11
13
4
5
8
TEMPERATURE
LOAD DUMP
PROTECTION
2
12
9
3
7
10
POWER SWITCH
&
&
ground
VI(sw)
(14.4 V)
VP
6
Ven(REG1)
Ven(sw)
TDA3604Q
VI(ig)
CRES
VO(ig)
RES
(5 V)
REG1
(9 V/300 mA)
REG2
(5 V/50 mA)
VO(sw)
(13.6 V/0.5 A)
1997 Aug 21
5
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
PINNING
SYMBOL
PIN
DESCRIPTION
SOT141-6
SOT418-2
n.c.
1
1, 2, 6, 9, 13, 18, 19 and 20 not connected
V
I(sw)
2
3
power switch input
V
P
3
4
supply voltage
REG1
4
5
regulator 1 output
RES
5
7
reset output (+5 V)
V
en(REG1)
6
8
regulator 1 enable input
V
en(sw)
7
10
power switch enable input
V
O(ig)
8
11
ignition output
C
RES
9
12
reset delay capacitor
GND
10
14
ground (0 V)
REG2
11
15
regulator 2 output
V
I(ig)
12
16
ignition input
V
O(sw)
13
17
power switch output
Fig.2 Pin configuration SOT141-6.
handbook, halfpage
TDA3604Q
MBE236
1
2
3
4
5
6
7
8
9
10
11
12
13
n.c.
l(sw)
V
REG1
REG2
RES
RES
GND
C
en(REG1)
V
en(sw)
V
O(ig)
V
I(ig)
V
O(sw)
V
P
V
Fig.3 Pin configuration SOT418-2.
handbook, halfpage
n.c.
n.c.
n.c.
VO(sw)
VI(ig)
REG2
GND
n.c.
CRES
VO(ig)
n.c.
n.c.
VI(sw)
VP
n.c.
RES
REG1
Ven(REG1)
n.c.
Ven(sw)
1
2
3
4
5
6
7
8
9
10
11
12
20
19
18
17
16
15
14
13
TDA3604TH
MGK596
1997 Aug 21
6
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
FUNCTIONAL DESCRIPTION
The TDA3604Q and TDA3604TH are multiple output
voltage regulators with a power switch, intended for use in
car radios with or without a microcontroller. Because of
low-voltage operation of the car radio, low-voltage drop
regulators are used.
Regulator 2 will switch on when the supply voltage
exceeds 6.5 V for the first time and will switch off again
when the output voltage of regulator 2 drops below 1.9 V
(this is below an engine start). When regulator 2 is
switched on and the output voltage of this regulator is
within its voltage range, the reset output will be enabled
(reset will go HIGH via a pull-up resistor) to generate a
reset to the microcontroller. The reset cycles can be
extended by an external capacitor at C
RES
(pin of the reset
delay capacitor). The above mentioned start-up feature is
built-in to secure a smooth start-up of the microcontroller
at first connection, without uncontrolled switching of
regulator 2 during the start-up sequence.
When both regulator 2 and the supply voltage (V
P
> 4.5 V)
are available, regulator 1 and the power switch can be
operated by the enable inputs V
en(REG1)
and V
en(sw)
respectively.
All output pins are fully protected. The regulators are
protected against load dump (regulator 1 will switch off at
supply voltages higher than 25 V) and short-circuit
(foldback current protection).
The power switch contains a current protection which is
delayed for
10 ms (in short-circuit condition). During this
time the current is limited to 1.4 A (V
P
18 V).
At supply voltages over 16.9 V the power switch is
clamped at 15.0 V (to avoid externally connected circuitry
being damaged by an overvoltage) and the power switch
will switch off at load dump.
Interfacing with the microcontroller can be accomplished
by an ignition Schmitt trigger and ignition output buffer,
(simple full/semi on/off logic applications).
The total timing of a semi on/off logic set is shown in Fig.4.
1997 Aug 21
7
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
Fig.4 Timing diagrams.
handbook, full pagewidth
MBE235
6.5 V
5.4 V
4.0 V
5.0 V
1.9 V
0 V
5.0 V
0 V
18.0 V
8.9 V
4.5 V
4.0 V
2.2 V
2.0 V
8.5 V
0 V
5.4 V
2.2 V
2.0 V
5.0 V
0.2 V
16.9 V
4.5 V
4.0 V
2.2 V
2.0 V
0 V
load dump
load dump
load dump
VP
regulator 2
reset
VP
enable
regulator 1
regulator 1
ignition
input
ignition
output
VP
enable
power
switch
power
switch
output
1997 Aug 21
8
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
P
supply voltage
operating
-
25
V
reverse polarity
non-operating
-
-
18
V
jump start
t
10 minutes
-
30
V
load dump protection
during 50 ms; t
r
2.5 ms
-
50
V
V
ppi
positive pulse voltage at ignition buffer
V
P
= 14.4 V; R
I
= 1 k
-
50
V
V
npi
negative pulse voltage at ignition buffer
V
P
= 14.4 V; R
I
= 1 k
-
-
100
V
T
stg
storage temperature
non-operating
-
55
+150
C
T
vj
operating virtual junction temperature
-
40
+150
C
P
tot
total power dissipation
-
15.6
W
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-c
thermal resistance from junction to case
8
K/W
R
th j-a
thermal resistance from junction to ambient in free air
50
K/W
1997 Aug 21
9
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
CHARACTERISTICS
V
P
= V
I(sw)
= 14.4 V; T
amb
= 25
C; see Fig.7; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
P
supply voltage
operating
9.75
14.4
25
V
regulator 2 on
note 1
2.4
14.4
25
V
jump start
t
10 minutes
-
-
30
V
load dump protection
during 50 ms; t
r
2.5 ms
-
-
50
V
I
q
quiescent supply current
V
P
= 12.4 V; note 2
-
400
500
A
V
P
= 14.4 V; note 2
-
420
-
A
Schmitt trigger power supply for the power switch
V
thr
rising threshold voltage
4.0
4.5
5.0
V
V
thf
falling threshold voltage
3.5
4.0
4.5
V
V
hys
hysteresis voltage
-
0.5
-
V
Schmitt trigger power supply for regulator 1
V
thr
rising threshold voltage
4.0
4.5
5.0
V
V
thf
falling threshold voltage
3.5
4.0
4.5
V
V
hys
hysteresis voltage
-
0.5
-
V
Schmitt trigger for regulator 2
V
thr
rising threshold voltage
6.0
6.5
7.1
V
V
thf
falling threshold voltage
1.7
1.9
2.2
V
V
hys
hysteresis voltage
-
4.7
-
V
Schmitt trigger for enable input (of regulator 1 and power switch)
V
thr
rising threshold voltage
1.7
2.2
2.7
V
V
thf
falling threshold voltage
1.5
2.0
2.5
V
V
hys
hysteresis voltage
-
0.2
-
V
Schmitt trigger for reset buffer
V
r(REG2)
rising voltage of regulator 2
note 3
-
V
REG2
-
0.15
-
V
V
f(REG2)
falling voltage of regulator 2
note 3
-
V
REG2
-
0.25
-
V
V
spread
voltage spread on tracking
note 4
-
10
-
mV
Schmitt trigger for ignition buffer
V
thr
rising threshold voltage
1.7
2.2
2.7
V
V
thf
falling threshold voltage
1.5
2.0
2.5
V
V
hys
hysteresis voltage
-
0.2
-
V
Reset buffer
I
sink
LOW-level sink current
V
RES
0.8 V
15
20
-
mA
I
leak
leakage current
V
P
= 14.4 V; V
RES
= 5 V
25
50
100
A
1997 Aug 21
10
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
Ignition buffer
V
OL
LOW-level output voltage
I
OL
= 0
0
0.2
0.8
V
V
OH
HIGH-level output voltage
note 5
-
5.0
5.2
V
I
OL
LOW-level output current
V
OL
0.8 V
0.3
0.8
-
mA
I
OH
HIGH-level output current
V
OH
3 V
0.3
2.0
-
mA
Regulator 1; note 6
V
REG1
output voltage off
-
1
400
mV
V
REG1
output voltage
0.5 mA
I
REG1
300 mA
8.65
9.0
9.35
V
10 V
V
P
18 V
8.65
9.0
9.35
V
V
REG1
line regulation
10 V
V
P
18 V
-
-
50
mV
V
REGL1
load regulation
0.5 mA
I
REG1
300 mA
-
-
70
mV
SVRR1
supply voltage ripple rejection
f
i
= 200 Hz; V
I
= 2 V (p-p)
60
-
-
dB
V
REGd1
drop-out voltage
I
REG1
= 300 mA; note 7
-
0.4
0.5
V
I
REGm1
current limit
V
REG1
> 7 V; note 8
0.45
-
1.2
A
I
REGsc1
short-circuit current
R
L
0.5
; note 9
50
300
-
mA
ct
cross talk
note 10
-
50
-
dB
Regulator 2; note 11
V
REG2
output voltage
0.5 mA
I
REG2
50 mA
4.8
5.0
5.2
V
7 V
V
P
18 V
4.8
5.0
5.2
V
18 V
V
P
50 V
4.75
5.0
5.25
V
V
REG2
line regulation
7 V
V
P
18 V
-
-
50
mV
V
REGL2
load regulation
0.5 mA
I
REG1
30 mA
-
-
50
mV
SVRR2
supply voltage ripple rejection
f
i
= 200 Hz; V
I
= 2 V (p-p)
60
-
-
dB
V
REGd2
drop-out voltage
I
REG2
= 30 mA; note 12
-
0.3
0.4
V
I
REGm2
current limit
V
REG2
> 4.5 V; note 8
0.1
-
0.5
A
I
REGsc2
short-circuit current
R
L
0.5
; note 9
20
50
-
mA
ct
cross talk
note 13
-
50
-
dB
Power switch
V
swd
drop-out voltage
I
sw
= 0.5 A; note 14
-
0.8
1.4
V
I
swcc
continuous current
0.5
-
-
A
V
swcl
clamping voltage
V
P
16.9 V
-
15.0
16.2
V
I
swM
peak current
t
10 ms
1.4
-
-
A
V
swfb
fly back voltage behaviour
I
sw
=
-
200 mA; V
P
= 9 V
-
-
20
V
I
lim(sw)
current limit
V
P
= 14.4 V; V
sw
< 1.5 V;
note 8
0.6
0.9
-
A
Reset delay
I
O
output current
-
3
-
A
V
thr
rising threshold voltage
2.7
3.0
3.3
V
t
d
delay time
C
I
= 47 nF; note 15
25
50
100
ms
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
1997 Aug 21
11
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
Notes to the characteristics
1. Minimum operating voltage, only if V
P
has exceeded 6.5 V.
2. Enable inputs of regulator 1, ignition and power switch are low. Regulator 2 is unloaded.
3. Voltage drop due to load condition.
4. The spread on tracking is one sigma value.
5. Ignition output voltage will be less than or equal to the output voltage of regulator 2.
6. I
REG1
= 5 mA unless otherwise specified.
7. The drop-out voltage of regulator 1 is measured between V
P
and V
REG1
.
8. At current limit, I
REGm
is held constant (see Fig.5).
9. The foldback current protection limits the dissipated power at short-circuit (see Figs 5 and 6).
10. The cross talk of regulator 1 is measured with an I
REG2
= 0.5 mA up to 30 mA and input frequency of f
i
= 100 kHz.
11. I
REG2
= 5 mA unless otherwise specified.
12. The drop-out voltage of regulator 2 is measured between V
P
and V
REG2
.
13. The cross talk of regulator 2 is measured with an I
REG1
= 0.5 mA up to 100 mA and input frequency of f
i
= 100 kHz.
14. The drop-out voltage of the power switch is measured between V
I(sw)
and V
O(sw)
.
15. The delay time depends on the value of the capacitor: t
d
C
I
----
V
thrC
C
2.5
10
6
=
=
1997 Aug 21
12
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
Fig.5 Foldback current protection of the regulators.
handbook, halfpage
MBE233
Rx
0
V
(regulators 1 and 2)
0
V
I (regulators 1 and 2)
Isc
Im
o
Fig.6 Foldback current protection of the power switch.
handbook, halfpage
MBE234
1.4
10
1.4
0.5
t (ms)
I sw
(A)
1997 Aug 21
13
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
TEST AND APPLICATION INFORMATION
Fig.7 Test circuit (for DBS13P package; SOT141-6).
(1) Capacitor not required for stability.
handbook, full pagewidth
MBE238
regulator 2
output
regulator 1
output
reset
output
C3
10
F
C2
10
F
power switch
output
C1
220 nF
C4
10
F
C5
1
F
C7
47 nF
ignition output
47 k
R2
1 k
1 k
5 V
8.5 V
R L(sw)
1 k
R L(REG1)
1 k
R L(REG2)
13
11
4
5
8
6
9
12
3
7
2
10
TDA3604Q
ground
power switch
input
power switch
enable input
regulator 1
enable input
ignition input
reset delay capacitor
VP
supply voltage
Ven(sw)
V l(sw)
C5
220 nF
(1)
(1)
R1
1 k
Ven(REG1)
VI(ig)
R3
Noise information
The noise at the output of the regulators depends on the
bandwidth of the regulators, which can be adjusted by the
output capacitors. Table 1 shows the noise figures.
Although stability is guaranteed when C
L
is higher than
10
F (over temperature range) with tan (
) = 1 in the
frequency range 1 to 10 kHz, however, for low noise, a
47
F load capacitor is required.
The noise on the supply line depends on the value of the
supply capacitor and is caused by a current noise (output
noise of the regulators is translated into a current noise by
the output capacitors). When a high frequency capacitor of
220 nF with an electrolytic capacitor of 100
F in parallel is
placed directly over V
P
and GND (pins of supply voltage
and ground) the noise is minimized.
Table 1
Noise figures
Note
1. Bandwidth of 100 kHz.
REGULATOR
NOISE (
V)
(1)
OUTPUT
CAPACITOR (
F)
1
180
10
100
47
80
100
2
120
10
70
47
70
100
1997 Aug 21
14
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
SHORT CIRCUIT BEHAVIOUR OF POWER SWITCH
The short circuit behaviour of the switch with large
inductive loads (switch output goes out of the radio) can be
improved by replacing C2 (see Fig.7) by a larger
electrolytic capacitor of 10
F/16 V. When the temperature
protection of the switch becomes active, due to a short
circuit of the switch, the behaviour will be improved.
When the switch is clamped an minimum output capacitor
of 10
F is needed.
The power switch is not protected against `loss of ground'
condition (= short of the switch to ground with floating
ground pin of the TDA3604 itself). A `loss of ground'
situation can in practice only occur when the switch output
goes outside the car-radio box.
There is an application solution to protect against `loss of
ground' (see Fig.8).
It is advisable to limit the dissipation at short circuit
condition by monitoring the output of the power switch.
The microprocessor can switch of the power switch when
the switch was enabled and the switch output remains low
due to a short circuit condition.
Fig.8 `Loss of ground' protection.
handbook, full pagewidth
MGL209
Vbat (
+
)
Vbat (
-
)
Vbat (
-
)
TDA3604Q
VI(sw), VP
2, 3
10
GND
VO(sw)
D1
D2
C1
D3
switch output
13
short circuit
to Vbat (
-
)
radio disconnected
from Vbat (
-
)
1997 Aug 21
15
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
PACKAGE OUTLINES
UNIT
A
e
1
A
2
b
p
c
D
(1)
E
(1)
Z
(1)
d
e
D
h
L
L
3
m
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
EIAJ
mm
17.0
15.5
4.6
4.2
0.75
0.60
0.48
0.38
24.0
23.6
20.0
19.6
10
3.4
v
0.8
12.2
11.8
1.7
e
2
5.08
2.4
1.6
E
h
6
2.00
1.45
2.1
1.8
3.4
3.1
4.3
DIMENSIONS (mm are the original dimensions)
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
12.4
11.0
SOT141-6
0
5
10 mm
scale
Q
j
0.25
w
0.03
x
D
L
E
A
c
A
2
m
L
3
Q
w
M
b
p
1
d
D
Z
e
2
e
e
x
h
1
13
j
Eh
non-concave
view B: mounting base side
92-11-17
95-03-11
DBS13P: plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm)
SOT141-6
v
M
B
1997 Aug 21
16
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
UNIT
A4
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
96-11-18
IEC
JEDEC
EIAJ
mm
+
0.13
-
0.04
3.4
0.35
DIMENSIONS (mm are the original dimensions)
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
SOT418-2
0
5
10 mm
scale
HSOP20: plastic heat-dissipating small outline package; 20 leads; low stand-off
SOT418-2
A
max.
detail X
A2
3.4
3.1
D2
1.1
0.9
HE
14.5
13.9
Lp
1.1
0.8
Q
1.7
1.5
2.5
2.0
v
0.25
w
0.25
y
Z
8
0
0.07
x
0.03
D1
13.0
12.6
E1
6.2
5.8
E2
2.9
2.5
bp
c
0.32
0.23
e
1.27
D
(1)
16.0
15.8
E
(1)
11.1
10.9
0.53
0.40
A3
A4
A2
(A3)
Lp
A
Q
D
y
x
HE
E
c
v
M
A
X
A
bp
w
M
Z
D1
D2
E2 E1
e
20
11
1
10
pin 1 index
1997 Aug 21
17
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
SOLDERING
Introduction
There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our
"IC Package Databook" (order code 9398 652 90011).
DBS
S
OLDERING BY DIPPING OR BY WAVE
The maximum permissible temperature of the solder is
260
C; solder at this temperature must not be in contact
with the joint for more than 5 seconds. The total contact
time of successive solder waves must not exceed
5 seconds.
The device may be mounted up to the seating plane, but
the temperature of the plastic body must not exceed the
specified maximum storage temperature (T
stg max
). If the
printed-circuit board has been pre-heated, forced cooling
may be necessary immediately after soldering to keep the
temperature within the permissible limit.
R
EPAIRING SOLDERED JOINTS
Apply a low voltage soldering iron (less than 24 V) to the
lead(s) of the package, below the seating plane or not
more than 2 mm above it. If the temperature of the
soldering iron bit is less than 300
C it may remain in
contact for up to 10 seconds. If the bit temperature is
between 300 and 400
C, contact may be up to 5 seconds.
HSOP
No information available at the moment.
DEFINITIONS
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
1997 Aug 21
18
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
NOTES
1997 Aug 21
19
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
NOTES
Internet: http://www.semiconductors.philips.com
Philips Semiconductors a worldwide company
Philips Electronics N.V. 1997
SCA55
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Printed in The Netherlands
547027/1200/04/pp20
Date of release: 1997 Aug 21
Document order number:
9397 750 02741
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