Datasheet tda3604 DATASHEETS (Philips)

INTEGRATED CIRCUITS

DATA SH EET

TDA3604

Multiple voltage regulator with
external reset delay and switch

Preliminary specification
Supersedes data of 1995 Feb 16
File under Integrated Circuits, IC01

1995 Oct 04

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

FEATURES

• One VP state controlled regulator (regulator 2)

• Regulator 2, reset and ignition buffer operates 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 is switched off,

standby)

• Ignition input/output

• Reset output

• Reset delay time adjustable

• High ripple rejection

• Power switch

• Separate supply for the power switch.

PROTECTIONS

TDA3604

GENERAL DESCRIPTION

The TDA3604 is a multiple output voltage regulator 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.

• 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 shortened)

• 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

ORDERING INFORMATION

TYPE NUMBER

NAME DESCRIPTION VERSION

TDA3604 DBS13P plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm) SOT141-6

.

P

PACKAGE

1995 Oct 04 2

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external

TDA3604

reset delay and switch

QUICK REFERENCE DATA

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Supply

V

P

I

q

T

vj

Voltage regulators

V

REG1

V

REG2

V

drop(REG1)

Power switch

V

drop(sw)

I

M

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

≥ 2.5 ms −−50 V

r

total quiescent current standby mode − 400 500 µA
operating virtual junction temperature −−150 °C

output voltage regulator 1 0.5 mA ≤ I
output voltage regulator 2 0.5 mA ≤ I

≤ 300 mA 8.65 9.0 9.35 V

REG1
REG2

≤ 30 mA;

4.8 5.0 5.2 V

VP= 14.4 V

drop-out voltage I

= 0.3 A; note 2 −−0.5 V

REG1

drop-out voltage Isw= 0.5 A; note 3 −−1.4 V
peak current t ≤ 10 ms 1.4 −−A

Notes

1. Minimum operating voltage, only if V

2. The drop-out voltage of regulator 1 is measured between VPand V

has exceeded 6.5 V.

P

REG 1.

3. The drop-out voltage of the power switch is measured between VPand Vsw.

1995 Oct 04 3

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

BLOCK DIAGRAM

ndbook, full pagewidth

V

l(sw)

(14.4 V)

V

en(sw)

V

en(REG1)

2

7

3

V

P

6

POWER SWITCH

&

&

TEMPERATURE

LOAD DUMP

PROTECTION

REGULATOR 2

REGULATOR 1

TDA3604

13

11

4

5

V

O(sw)

(13.6 V/0.5 A)

REG2

(5 V/30 mA)

REG1

(9 V/300 mA)

RES

(5 V)

TDA3604

l(ig)

9

12

IGNITION

BUFFER

10

ground

MBE237

8

V

O(ig)

C

RES

V

Fig.1 Block diagram.

1995 Oct 04 4

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

PINNING

SYMBOL PIN DESCRIPTION

n.c. 1 not connected
V

I(sw)

V

P

REG1 4 regulator 1 output
RES 5 reset output voltage (+5 V)
V

en(REG1)

V

en(sw)

V

O(ig)

C

RES

GND 10 ground (0 V)
REG2 11 regulator 2 output
V

I(ig)

V

O(sw)

2 power switch input voltage
3 supply voltage

6 regulator 1 enable input
7 power switch enable input voltage
8 ignition output voltage
9 reset capacitor

12 ignition input voltage
13 power switch output voltage

handbook, halfpage

V

en(REG1)

V

REG1

V

en(sw)
V

C

REG2

V

O(sw)

n.c.

l(sw)

RES

O(ig)

RES

GND

V

I(ig)

TDA3604

1
2

V

3

P

4
5
6
7

TDA3604

8

9
10
11
12
13

MBE236

Fig.2 Pin configuration.

1995 Oct 04 5

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

FUNCTIONAL DESCRIPTION

The TDA3604 is a multiple output voltage regulator 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 is 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 pin 9). 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
are available, regulator 1 and the switch can be operated
by enable inputs (pins 6 and 7 respectively).

> 4.5 V)

P

TDA3604

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 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

At supply voltages over 16.9 V the switch is clamped at

15.0 V (to avoid externally connected circuitry being
damaged by an overvoltage) and the 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 Fig.3.

≤ 18 V).

P

1995 Oct 04 6

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

handbook, full pagewidth

6.5 V

V

P

5.4 V

4.0 V

reset

V

5.0 V

1.9 V

5.0 V

18.0 V

8.9 V

P

4.5 V

4.0 V

regulator 2

0 V

0 V

load dump

load dump

TDA3604

enable

regulator 1

regulator 1

ignition

input

ignition

output

V

enable

power

switch

power
switch
output

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

load dump

16.9 V

P

4.5 V

4.0 V

2.2 V

2.0 V

0 V

MBE235

1995 Oct 04 7

Fig.3 Timing diagram.

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external

TDA3604

reset delay and switch

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT

V

P

V

P

V

ppi

V

npi

T

stg

T

vj

P

tot

THERMAL CHARACTERISTICS

SYMBOL PARAMETER VALUE UNIT

R

th j-c

R

th j-a

supply voltage

operating − 25 V
jump start t ≤ 10 minutes − 30 V
load dump protection during 50 ms; t

≥ 2.5 ms − 50 V

r

reverse battery voltage non-operating −−18 V
positive pulse voltage at ignition buffer VP= 14.4; RI=1kΩ− 50 V
negative pulse voltage at ignition buffer VP= 14.4; RI=1kΩ− −100 V
storage temperature non-operating −55 +150 °C
operating virtual junction temperature −40 +150 °C
total power dissipation − 15.6 W

thermal resistance from junction to case 8 K/W
thermal resistance from junction to ambient in free air 50 K/W

1995 Oct 04 8

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external

TDA3604

reset delay and switch

CHARACTERISTICS

V

P=VPsw

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Supply

V

P

I

q

Schmitt-trigger power supply for the power switch

V

thr

V

thf

V

hys

Schmitt-trigger power supply for regulator 1

V

thr

V

thf

V

hys

Schmitt-trigger power supply for regulator 2

V

thr

V

thf

V

hys

Schmitt-trigger for enable input

V

thr

V

thf

V

hys

Schmitt-trigger for reset buffer

V

r(REG2)

V

f(REG2)

V

spread

Schmitt-trigger for ignition buffer

V

thr

V

thf

V

hys

Reset buffer

I

sink

I

leak

= 14.4 V; T

=25°C; see test Figs. 4 and 5 unless otherwise specified.

amb

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

≥ 2.5 ms −− 50 V

r

quiescent current VP= 12.4 V; note 2 − 400 500 µA

= 14.4 V; note 2 − 420 −µA

V

P

rising voltage threshold 4.0 4.5 5.0 V
falling voltage threshold 3.5 4.0 4.5 V
hysteresis − 0.5 − V

rising voltage threshold 4.0 4.5 5.0 V
falling voltage threshold 3.5 4.0 4.5 V
hysteresis − 0.5 − V

rising voltage threshold 6.0 6.5 7.1 V
falling voltage threshold 1.7 1.9 2.2 V
hysteresis − 4.7 − V

rising voltage threshold 1.7 2.2 2.7 V
falling voltage threshold 1.5 2.0 2.5 V
hysteresis − 0.2 − V

rising voltage of regulator 2 note 3 − V
falling voltage of regulator 2 note 3 − V

− 0.15 − V

REG2

− 0.25 − V

REG2

voltage spread on tracking note 4 − 10 − mV

rising voltage threshold 1.7 2.2 2.7 V
falling voltage threshold 1.5 2.0 2.5 V
hysteresis − 0.2 − V

LOW-level sink current V
leakage current VP= 14.4 V; V

≤ 0.8 V 15 20 − mA

RES

= 5 V 25 50 100 µA

RES

1995 Oct 04 9

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external

TDA3604

reset delay and switch

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Ignition buffer

V

OL

V

OH

I

OL

I

OH

Regulator 1 (note 6)
V

REG1

V

REG1

∆V

REG1

∆V

REGL1

SVRR1 supply voltage ripple rejection f
V

REGd1

I

REGm1

I

REGsc1

α

ct

Regulator 2 (note 11)
V

REG2

∆V

REG2

∆V

REGL2

SVRR2 supply voltage ripple rejection f
V

REGd2

I

REGm2

I

REGsc2

α

ct

Power switch

V

swd

I

swcc

V

swcl

I

M

V

swfb

I

lim(sw)

LOW-level output voltage IOL= 0 mA 0 0.2 0.8 V
HIGH-level output voltage note 5 − 5.0 5.2 V
LOW-level output current VOL≤ 0.8 V 0.3 0.8 − mA
HIGH-level output current VOH≥ 3 V 0.3 2.0 − mA

output voltage off − 1 400 mV
output voltage 0.5 mA ≤ I

10 V ≤ V

≤ 300 mA 8.65 9.0 9.35 V

REG1

≤ 18 V 8.65 9.0 9.35 V

P

line regulation 10 V ≤ VP≤ 18 V −− 50 mV
load regulation 0.5 mA ≤ I

= 200 Hz; VI= 2 V (p-p) 60 −−dB

i

drop-out voltage I
current limit V

= 300 mA; note 7 − 0.4 0.5 V

REG1

> 7 V; note 8 0.45 − 1.2 A

REG1

≤ 300 mA −− 70 mV

REG1

short-circuit current RL≤ 0.5 Ω; note 9 50 300 − mA
cross talk note 10 − 50 − dB

output voltage 0.5 mA ≤ I

7V≤V

P

18 V ≤ V

≤ 30 mA 4.8 5.0 5.2 V

REG2

≤18 V 4.8 5.0 5.2 V

≤ 50 V 4.75 5.0 5.25 V

P

line regulation 7 V ≤ VP≤ 18 V −− 50 mV
load regulation 0.5 mA ≤ I

= 200 Hz; VI= 2 V (p-p) 60 −−dB

i

drop-out voltage I
current limit V

= 30 mA; note 12 − 0.3 0.4 V

REG2

> 4.5 V; note 8 0.1 − 0.5 A

REG2

≤ 30 mA −− 50 mV

REG1

short-circuit current RL≤ 0.5 Ω; note 9 − 50 − mA
cross talk note 13 − 50 − dB

drop-out voltage Isw= 0.4 A; note 14 − 0.8 1.4 V
continuous current 0.5 −−A
clamping voltage VP≥ 16.9 V − 15.0 16.2 V
peak current t ≤ 10 ms 1.4 −−A
fly back voltage behaviour Isw= −200 mA −− 20 V
current limit VP= 14.4 V; Vsw=10V;

0.6 − 1.0 A

note 8

Reset delay

I

O

V

thr

t

d

output current − 3 −µA
rising voltage threshold 2.7 3.0 3.3 V
delay time CI= 47 nF; note 15 25 50 100 ms

1995 Oct 04 10

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

Notes to the characteristics

1. Minimum operating voltage, only if VP has exceeded 6.5 V.

2. Enable inputs of regulator 1, ignition and 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

7. The drop-out voltage of regulator 1 is measured between VP and V

8. At current limit, I

9. The foldback current protection limits the dissipated power at short circuit (see Figs 4 and 5).

10. The cross talk of regulator 1 is measured with an I

11. I

12. The drop-out voltage of regulator 2 is measured between VP and V

13. The cross talk of regulator 2 is measured with an I

14. The drop-out voltage of the power switch is measured between VP and Vsw.

15. The delay time depends on the value of the capacitor

= 5 mA.

REG1

= 5 mA.

REG2

fi= 100 kHz.

C

t

× C2.5× 106×==

V

--- -

d

I

thrC

.

REG1

is held constant (behaviour in accordance with the broken line in Fig. 4.

REGm

= 0.5 mA up to 30 mA with an input frequency of fi= 100 kHz.

REG2

.

REG2

= 0.5 mA up to 100 mA with an input frequency of

REG1

TDA3604

1995 Oct 04 11

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

handbook, halfpage

Rx

V

(regulators 1 and 2)

0

V

0

TDA3604

MBE233

I

sc

I

m

I (regulators 1 and 2)

o

Fig.4 Foldback current protection of the regulators.

handbook, halfpage

1.4

1.4

I

sw

(A)

0.5

10

MBE234

t (ms)

1995 Oct 04 12

Fig.5 Foldback current protection of the power switch.

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

TEST AND APPLICATION INFORMATION

V

I(ig)

power switch

(1)

C1
220 nF

power switch

enable input

(1)

C5
220 nF

Regulator 1

enable input

ignition input

input

V

1

7

P

3

TDA3604

6

9

12

handbook, full pagewidth

V

l(sw)

V

en(sw)

V

P

V

en(REG1)

R1

1 kΩ

R3

1 kΩ

C7
47 nF

10

ground

13

11

4

5

8

V

sw

regulator 2

regulator 1

47 kΩ

R2

reset
output

ignition
output

C2
10 µF

C3
10 µF

C4
10 µF

C5
1 µF

5 V

8.5 V

MBE238


TDA3604

R

L(sw)

1 kΩ

R

L(REG2)

1 kΩ

R

L(REG1)

1 kΩ

(1) Capacitor not required for stability.

Fig.6 Test circuit.

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 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.

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 pins 3 and 10 (supply and ground)
the noise is minimized.

Table 1 Noise figures

REGULATOR NOISE (µV)

1 tbf 10

150 47

tbf 100
tbf 220

2 tbf 10

100 47

tbf 100
tbf 220

Note

1. Bandwidth of 100 kHz.

(1)

CAPACITOR (µF)

OUTPUT

1995 Oct 04 13

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

PACKAGE OUTLINE

DBS13P: plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm)

non-concave

x

D

E

h

d

A

D

h

view B: mounting base side

2

TDA3604

SOT141-6

j

113

e

Z

DIMENSIONS (mm are the original dimensions)

UNIT A e

mm

Note

1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.

A2bpcD

17.0

4.6

4.2

0.75

0.60

15.5

1

e

(1)

deD

0.48

24.0

23.6

20.0

19.6

0.38

b

p

h

10 3.4

w M

0 5 10 mm

scale

(1)

E

12.2

11.8

1

1.7

e

5.08

B

E

A

L

3

L

E

2

h

6

Q

c

m

LL3m

3.4

12.4

3.1

11.0

2.4

1.6

e

2

4.3

2.1

1.8

v M

(1)

v

Qj

0.8

0.25w0.03

Z

x

2.00

1.45

OUTLINE

VERSION

SOT141-6

1995 Oct 04 14

REFERENCES

IEC JEDEC EIAJ

EUROPEAN

PROJECTION

ISSUE DATE

92-11-17
95-03-11

Philips Semiconductors Preliminary specification

Multiple voltage regulator with external
reset delay and switch

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”

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
time of successive solder waves must not exceed
5 seconds.

(order code 9398 652 90011).

TDA3604

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
printed-circuit board has been pre-heated, forced cooling
may be necessary immediately after soldering to keep the
temperature within the permissible limit.

Repairing 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.

stg max

). If the

DEFINITIONS

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.

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.

1995 Oct 04 15

Philips Semiconductors – a worldwide company

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BUENOS AIRES, Tel. [phone], Fax. [phone]

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Tel. [phone], Fax. [phone]

th

floor, Suite 51,

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Tel. [phone], Fax. [phone]

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Tel. [phone], Fax. [phone]

Pakistan: Philips Electrical Industries of Pakistan Ltd.,

Exchange Bldg. ST-2/A, Block 9, KDA Scheme 5, Clifton,
KARACHI 75600, Tel. [phone],
Fax. [phone]

Philippines: PHILIPS SEMICONDUCTORS PHILIPPINES Inc,

106 Valero St. Salcedo Village, P.O. Box 2108 MCC, MAKATI,
Metro MANILA, Tel. [phone], Fax. [phone]

Portugal: PHILIPS PORTUGUESA, S.A.,

Rua dr. António Loureiro Borges 5, Arquiparque - Miraflores,
Apartado 300, 2795 LINDA-A-VELHA,
Tel. [phone], Fax. [phone]

Singapore: Lorong 1, Toa Payoh, SINGAPORE 1231,

Tel. [phone], Fax. [phone]

South Africa: S.A. PHILIPS Pty Ltd.,

195-215 Main Road Martindale, 2092 JOHANNESBURG,
P.O. Box 7430, Johannesburg 2000,
Tel. [phone], Fax. [phone]

Spain: Balmes 22, 08007 BARCELONA,

Tel. [phone], Fax. [phone]

Sweden: Kottbygatan 7, Akalla. S-164 85 STOCKHOLM,

Tel. [phone], Fax. [phone]

Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH,

Tel. [phone], Fax. [phone]

Taiwan: PHILIPS TAIWAN Ltd., 23-30F, 66, Chung Hsiao West

Road, Sec. 1. Taipeh, Taiwan ROC, P.O. Box 22978,
TAIPEI 100, Tel. [phone], Fax. [phone]

Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd.,

209/2 Sanpavuth-Bangna Road Prakanong,
Bangkok 10260, THAILAND,
Tel. [phone], Fax. [phone]

Turkey:Talatpasa Cad. No. 5, 80640 GÜLTEPE/ISTANBUL,

Tel. [phone], Fax. [phone]

United Kingdom: Philips Semiconductors LTD.,

276 Bath Road, Hayes, MIDDLESEX UB3 5BX,
Tel. [phone], Fax. [phone]

United States:811 East Arques Avenue, SUNNYVALE,

CA 94088-3409, Tel. [phone], Fax. [phone]

Uruguay: Coronel Mora 433, MONTEVIDEO,

Tel. [phone], Fax. [phone]

Internet: http://www.semiconductors.philips.com/ps/
For all other countries apply to: Philips Semiconductors,

International Marketing and Sales, Building BE-p,
P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands,
Telex 35000 phtcnl, Fax. [phone]

SCD44 © Philips Electronics N.V. 1995

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513061/1500/02/pp16 Date of release: 1995 Oct 04
Document order number: 9397 750 00343