TDA3604Q [NXP]
Multiple voltage regulators with external reset delay and switch; 多个稳压器与外部复位延时和开关
| 型号： | TDA3604Q |
| 厂家： | 
NXP |
| 描述： | Multiple voltage regulators with external reset delay and switch |
| 文件： | 总20页 (文件大小：133K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
DATA SHEET
TDA3604Q; TDA3604TH
Multiple voltage regulators with
external reset delay and switch
1997 Aug 21
Product specification
Supersedes data of 1997 Aug 15
File under Integrated Circuits, IC01
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q;
TDA3604TH
FEATURES
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.
General
• One VP-state controlled regulator (regulator 2)
• Regulator 2, reset and ignition buffer operate during
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.
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)
There is a power switch with protections, operated by an
enable input.
• Low reverse current of regulator 2
• Low quiescent current (when regulator 1, power switch
and ignition buffer are switched off)
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.
• Ignition input/output
• Reset output
• Adjustable reset delay time
• High ripple rejection
• Power switch
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.
• 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 VP.
ORDERING INFORMATION
TYPE
PACKAGE
NUMBER
NAME
DESCRIPTION
VERSION
TDA3604Q
DBS13P plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm)
HSOP20 plastic heat-dissipating small outline package; 20 leads; low stand-off
SOT141-6
SOT418-2
TDA3604TH
1997 Aug 21
2
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
Supply
VP
supply voltage
operating
9.75
2.4
−
14.4
14.4
−
25
V
regulator 2 on
note 1
25
V
jump start
t ≤ 10 minutes
30
V
load dump protection
total quiescent current
during 50 ms; tr ≥ 2.5 ms
standby mode
−
−
50
V
Iq
−
400
−
500
150
µA
°C
Tvj
operating virtual junction
temperature
−
Voltage regulators
VREG1
VREG2
VREGd1
output voltage regulator 1
output voltage regulator 2
0.5 mA ≤ IREG1 ≤ 300 mA
8.65
4.8
−
9.0
5.0
−
9.35
5.2
V
V
V
0.5 mA ≤ IREG2 ≤ 50 mA; VP = 14.4 V
drop-out voltage regulator 1 IREG1 = 0.3 A; note 2
0.5
Power switch
Vswd drop-out voltage
IswM peak current
Isw = 0.5 A; note 3
−
−
−
1.4
V
A
t ≤ 10 ms
1.4
−
Notes
1. Minimum operating voltage, only if VP has exceeded 6.5 V.
2. The drop-out voltage of regulator 1 is measured between VP and VREG1
.
3. The drop-out voltage of the power switch is measured between VI(sw) and VO(sw)
.
1997 Aug 21
3
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
BLOCK DIAGRAM
V
POWER SWITCH
13
2
I(sw)
(14.4 V)
V
O(sw)
(13.6 V/0.5 A)
TEMPERATURE
LOAD DUMP
PROTECTION
7
&
V
en(sw)
11
REG2
(5 V/50 mA)
REGULATOR 2
3
6
V
P
4
5
REG1
(9 V/300 mA)
REGULATOR 1
&
V
en(REG1)
RES
(5 V)
TDA3604Q
9
C
RES
12
8
IGNITION
BUFFER
V
V
I(ig)
O(ig)
10
ground
MBE237
Fig.1 Block diagram (for DBS13P package; SOT141-6).
1997 Aug 21
4
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
PINNING
PIN
SYMBOL
DESCRIPTION
SOT141-6
SOT418-2
1, 2, 6, 9, 13, 18, 19 and 20 not connected
n.c.
1
2
VI(sw)
VP
3
4
power switch input
supply voltage
3
REG1
RES
4
5
regulator 1 output
reset output (+5 V)
regulator 1 enable input
power switch enable input
ignition output
5
7
Ven(REG1)
Ven(sw)
VO(ig)
CRES
GND
REG2
VI(ig)
6
8
7
10
11
12
14
15
16
17
8
9
reset delay capacitor
ground (0 V)
10
11
12
13
regulator 2 output
ignition input
VO(sw)
power switch output
handbook, halfpage
n.c.
1
2
3
4
5
6
handbook, halfpage
V
l(sw)
n.c.
n.c.
n.c.
V
1
2
20
V
P
n.c. 19
REG1
RES
n.c.
3
18
17
16
I(sw)
V
V
P
4
O(sw)
V
en(REG1)
V
REG1
n.c.
5
I(ig)
V
TDA3604TH
7
8
TDA3604Q
en(sw)
REG2 15
GND
6
V
O(ig)
RES
14
7
C
9
RES
n.c. 13
8
V
en(REG1)
GND
10
C
V
n.c.
12
9
RES
REG2 11
V
11
10
O(ig)
en(sw)
V
12
13
I(ig)
MGK596
V
O(sw)
MBE236
Fig.2 Pin configuration SOT141-6.
Fig.3 Pin configuration SOT418-2.
1997 Aug 21
5
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
When both regulator 2 and the supply voltage (VP > 4.5 V)
are available, regulator 1 and the power switch can be
operated by the enable inputs Ven(REG1) and Ven(sw)
respectively.
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.
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 (VP ≤ 18 V).
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 CRES (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.
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
6
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
load dump
6.5 V
V
P
5.4 V
4.0 V
5.0 V
regulator 2
reset
1.9 V
0 V
5.0 V
0 V
load dump
18.0 V
8.9 V
4.5 V
4.0 V
V
P
2.2 V
2.0 V
enable
regulator 1
8.5 V
0 V
regulator 1
ignition
input
5.4 V
2.2 V
2.0 V
5.0 V
0.2 V
ignition
output
load dump
16.9 V
V
P
4.5 V
4.0 V
2.2 V
enable
power
switch 2.0 V
power
switch
output
0 V
MBE235
Fig.4 Timing diagrams.
7
1997 Aug 21
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).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VP
supply voltage
operating
−
−
−
−
−
−
25
V
V
V
V
V
V
reverse polarity
non-operating
−18
30
jump start
t ≤ 10 minutes
load dump protection
during 50 ms; tr ≥ 2.5 ms
VP = 14.4 V; RI = 1 kΩ
VP = 14.4 V; RI = 1 kΩ
non-operating
50
Vppi
Vnpi
Tstg
Tvj
positive pulse voltage at ignition buffer
negative pulse voltage at ignition buffer
storage temperature
50
−100
+150
+150
15.6
−55
−40
−
°C
°C
W
operating virtual junction temperature
total power dissipation
Ptot
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
VALUE
UNIT
K/W
K/W
Rth j-c
Rth j-a
thermal resistance from junction to case
thermal resistance from junction to ambient in free air
8
50
1997 Aug 21
8
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
CHARACTERISTICS
VP = VI(sw) = 14.4 V; Tamb = 25 °C; see Fig.7; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Supply
VP
supply voltage
operating
9.75
2.4
−
14.4
14.4
−
25
25
30
50
500
−
V
regulator 2 on
note 1
V
jump start
t ≤ 10 minutes
V
load dump protection
quiescent supply current
during 50 ms; tr ≥ 2.5 ms
VP = 12.4 V; note 2
VP = 14.4 V; note 2
−
−
V
Iq
−
400
420
µA
µA
−
Schmitt trigger power supply for the power switch
Vthr
Vthf
Vhys
rising threshold voltage
falling threshold voltage
hysteresis voltage
4.0
3.5
−
4.5
4.0
0.5
5.0
4.5
−
V
V
V
Schmitt trigger power supply for regulator 1
Vthr
Vthf
Vhys
rising threshold voltage
falling threshold voltage
hysteresis voltage
4.0
3.5
−
4.5
4.0
0.5
5.0
4.5
−
V
V
V
Schmitt trigger for regulator 2
Vthr
Vthf
Vhys
rising threshold voltage
falling threshold voltage
hysteresis voltage
6.0
1.7
−
6.5
1.9
4.7
7.1
2.2
−
V
V
V
Schmitt trigger for enable input (of regulator 1 and power switch)
Vthr
Vthf
Vhys
rising threshold voltage
falling threshold voltage
hysteresis voltage
1.7
1.5
−
2.2
2.0
0.2
2.7
2.5
−
V
V
V
Schmitt trigger for reset buffer
Vr(REG2)
Vf(REG2)
Vspread
rising voltage of regulator 2
falling voltage of regulator 2
voltage spread on tracking
note 3
note 3
note 4
−
−
−
V
REG2 − 0.15
REG2 − 0.25
−
−
−
V
V
V
10
mV
Schmitt trigger for ignition buffer
Vthr
Vthf
Vhys
rising threshold voltage
falling threshold voltage
hysteresis voltage
1.7
1.5
−
2.2
2.0
0.2
2.7
2.5
−
V
V
V
Reset buffer
Isink LOW-level sink current
Ileak leakage current
V
RES ≤ 0.8 V
15
25
20
50
−
mA
VP = 14.4 V; VRES = 5 V
100
µA
1997 Aug 21
9
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Ignition buffer
VOL
VOH
IOL
LOW-level output voltage
HIGH-level output voltage
LOW-level output current
HIGH-level output current
IOL = 0
note 5
0
0.2
5.0
0.8
2.0
0.8
5.2
−
V
−
V
VOL ≤ 0.8 V
OH ≥ 3 V
0.3
0.3
mA
mA
IOH
V
−
Regulator 1; note 6
VREG1
VREG1
output voltage off
−
1
400
9.35
9.35
50
mV
V
output voltage
0.5 mA ≤ IREG1 ≤ 300 mA
10 V ≤ VP ≤ 18 V
8.65
8.65
−
9.0
9.0
−
V
∆VREG1
∆VREGL1
SVRR1
VREGd1
IREGm1
IREGsc1
αct
line regulation
10 V ≤ VP ≤ 18 V
mV
mV
dB
V
load regulation
0.5 mA ≤ IREG1 ≤ 300 mA
fi = 200 Hz; VI = 2 V (p-p)
IREG1 = 300 mA; note 7
VREG1 > 7 V; note 8
RL ≤ 0.5 Ω; note 9
note 10
−
−
70
supply voltage ripple rejection
drop-out voltage
current limit
60
−
−
−
0.4
−
0.5
1.2
−
0.45
50
−
A
short-circuit current
cross talk
300
50
mA
dB
−
Regulator 2; note 11
VREG2
output voltage
0.5 mA ≤ IREG2 ≤ 50 mA
7 V ≤ VP ≤ 18 V
4.8
4.8
4.75
−
5.0
5.0
5.0
−
5.2
5.2
5.25
50
50
−
V
V
18 V ≤ VP ≤ 50 V
V
∆VREG2
∆VREGL2
SVRR2
VREGd2
IREGm2
IREGsc2
αct
line regulation
7 V ≤ VP ≤ 18 V
mV
mV
dB
V
load regulation
0.5 mA ≤ IREG1 ≤ 30 mA
fi = 200 Hz; VI = 2 V (p-p)
IREG2 = 30 mA; note 12
VREG2 > 4.5 V; note 8
RL ≤ 0.5 Ω; note 9
note 13
−
−
supply voltage ripple rejection
drop-out voltage
current limit
60
−
−
0.3
−
0.4
0.5
−
0.1
20
−
A
short-circuit current
cross talk
50
50
mA
dB
−
Power switch
Vswd
Iswcc
Vswcl
IswM
drop-out voltage
Isw = 0.5 A; note 14
−
0.8
−
1.4
−
V
A
V
A
V
A
continuous current
clamping voltage
peak current
0.5
−
VP ≥ 16.9 V
15.0
−
16.2
−
t ≤ 10 ms
1.4
−
Vswfb
Ilim(sw)
fly back voltage behaviour
current limit
Isw = −200 mA; VP = 9 V
−
20
−
VP = 14.4 V; Vsw < 1.5 V;
note 8
0.6
0.9
Reset delay
IO
output current
−
3
−
µA
V
Vthr
td
rising threshold voltage
delay time
2.7
25
3.0
50
3.3
100
CI = 47 nF; note 15
10
ms
1997 Aug 21
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 VP 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. IREG1 = 5 mA unless otherwise specified.
7. The drop-out voltage of regulator 1 is measured between VP and VREG1
.
8. At current limit, IREGm 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 IREG2 = 0.5 mA up to 30 mA and input frequency of fi = 100 kHz.
11. IREG2 = 5 mA unless otherwise specified.
12. The drop-out voltage of regulator 2 is measured between VP and VREG2
.
13. The cross talk of regulator 2 is measured with an IREG1 = 0.5 mA up to 100 mA and input frequency of fi = 100 kHz.
14. The drop-out voltage of the power switch is measured between VI(sw) and VO(sw)
.
= C × 2.5 × 106
thrC
C
I
15. The delay time depends on the value of the capacitor: td
=
× V
---
1997 Aug 21
11
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
handbook, halfpage
MBE233
Rx
V
0
(regulators 1 and 2)
V
0
I
I
sc
m
I
(regulators 1 and 2)
o
Fig.5 Foldback current protection of the regulators.
MBE234
handbook, halfpage
1.4
1.4
I
sw
(A)
0.5
t (ms)
10
Fig.6 Foldback current protection of the power switch.
12
1997 Aug 21
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
TEST AND APPLICATION INFORMATION
power switch
output
power switch
input
13
11
4
2
(1)
C2
10 µF
C1
V
R
l(sw)
L(sw)
1 kΩ
220 nF
power switch
enable input
regulator 2
output
R1
5 V
7
3
C3
10 µF
1 kΩ
V
R
en(sw)
L(REG2)
1 kΩ
regulator 1
output
supply voltage
(1)
8.5 V
TDA3604Q
C4
10 µF
C5
220 nF
regulator 1
V
P
R
47 kΩ
L(REG1)
R2
1 kΩ
reset
R3
enable input
output
5
6
C5
1 µF
1 kΩ
V
en(REG1)
reset delay capacitor
ignition input
9
C7
47 nF
ignition output
12
8
V
10
I(ig)
MBE238
ground
(1) Capacitor not required for stability.
Fig.7 Test circuit (for DBS13P package; SOT141-6).
Noise information
Table 1 Noise figures
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.
OUTPUT
CAPACITOR (µF)
REGULATOR
NOISE (µV)(1)
180
100
80
10
47
Although stability is guaranteed when CL is higher than
10 µF (over temperature range) with tan (φ) = 1 in the
frequency range 1 to 10 kHz, however, for low noise, a
47 µF load capacitor is required.
1
100
10
120
70
2
47
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 µF in parallel is
placed directly over VP and GND (pins of supply voltage
and ground) the noise is minimized.
70
100
Note
1. Bandwidth of 100 kHz.
1997 Aug 21
13
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
There is an application solution to protect against ‘loss of
ground’ (see Fig.8).
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 µF/16 V. When the temperature
protection of the switch becomes active, due to a short
circuit of the switch, the behaviour will be improved.
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.
When the switch is clamped an minimum output capacitor
of 10 µF 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.
D1
V
, V
I(sw)
V
O(sw)
P
2, 3
switch output
short circuit
13
V
(+)
bat
TDA3604Q
D3
C1
10
D2
GND
to V
(−)
bat
radio disconnected
from V (−)
bat
V
(−)
V
(−)
bat
bat
MGL209
Fig.8 ‘Loss of ground’ protection.
1997 Aug 21
14
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
PACKAGE OUTLINES
DBS13P: plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm)
SOT141-6
non-concave
x
D
h
D
E
h
view B: mounting base side
d
A
2
B
j
E
A
L
3
L
Q
c
1
13
e
e
m
v
M
w
M
1
Z
2
b
p
e
0
5
10 mm
scale
DIMENSIONS (mm are the original dimensions)
(1)
(1)
(1)
UNIT
A
A
b
c
D
d
D
E
e
e
e
E
j
L
L
3
m
Q
v
w
x
Z
2
p
h
1
2
h
17.0 4.6 0.75 0.48 24.0 20.0
15.5 4.2 0.60 0.38 23.6 19.6
12.2
11.8
3.4 12.4 2.4
3.1 11.0 1.6
2.00
1.45
2.1
1.8
6
mm
10
3.4
1.7 5.08
0.8
4.3
0.25 0.03
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
EIAJ
92-11-17
95-03-11
SOT141-6
1997 Aug 21
15
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
HSOP20: plastic heat-dissipating small outline package; 20 leads; low stand-off
SOT418-2
E
A
D
x
X
c
y
H
E
v
M
A
D
1
Z
D
2
10
1
pin 1 index
Q
A
A
2
(A )
3
E
E
1
2
A
4
θ
L
p
detail X
20
11
w M
b
p
e
0
5
10 mm
scale
DIMENSIONS (mm are the original dimensions)
A
max.
(1)
(1)
A
A
A4
b
c
D
D
D
E
E
1
E
e
H
L
p
Q
v
w
x
y
Z
θ
UNIT
2
3
p
1
2
2
E
8°
0°
+0.13 0.53 0.32
−0.04 0.40 0.23
16.0 13.0 1.1 11.1 6.2
15.8 12.6 0.9 10.9 5.8
2.9
2.5
14.5 1.1
13.9 0.8
1.7
1.5
2.5
2.0
3.4
3.1
mm
1.27
3.4
0.35
0.25 0.25 0.03 0.07
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
EIAJ
SOT418-2
96-11-18
1997 Aug 21
16
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
time of successive solder waves must not exceed
5 seconds.
SOLDERING
Introduction
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 (Tstg 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.
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.
REPAIRING SOLDERED JOINTS
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).
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.
DBS
SOLDERING 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
HSOP
No information available at the moment.
DEFINITIONS
Data sheet status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
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.
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.
1997 Aug 21
17
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
NOTES
1997 Aug 21
18
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
NOTES
1997 Aug 21
19
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Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825
© Philips Electronics N.V. 1997
SCA55
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed
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under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
547027/1200/04/pp20
Date of release: 1997 Aug 21
Document order number: 9397 750 02741
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