INTEGRATED CIRCUITS DATA SHEET TDA3664 Very low dropout voltage/quiescent current 5 V voltage regulator Preliminary specification Supersedes data of 1999 Aug 11 File under Integrated Circuits, IC01 1999 Sep 01 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 • Able to withstand voltages up to 18 V at the output (supply line may be short-circuited) FEATURES General • ESD protection on all pins • Fixed 5 V, 100 mA regulator • Supply voltage range up to +33 V (45 V) • DC short-circuit safe to ground and VP of regulator output • Very low quiescent current (typically 15 µA) • Temperature protection (Tj > 150 °C). • Very low dropout voltage • High ripple rejection GENERAL DESCRIPTION • Very high stability The TDA3664 is a fixed 5 V voltage regulator with very low dropout voltage/quiescent current, which operates over a wide supply voltage range. – Electrolytic capacitors: ESR (Equivalent Series resistance) < 38 Ω at IREG ≤ 25 mA – Other capacitors: 100 nF at 200 µA ≤ IREG ≤ 100 mA see Fig.5 and Fig.6 The regulator is available as: • TDA3664T: SO8 package (non-automotive) • Pin compatible family TDA3662 up to TDA3666. • TDA3664AT: SO8 package (automotive) Protections • TDA3664: SOT223 package (automotive). • Reverse polarity safe (down to −25 V without high reverse current) Automotive: VP ≤ 50P V, −40 °C ≤ Tamb ≤ +125 °C. Non-automotive: VP ≤ 22V, −40 °C ≤ Tamb ≤ +85 °C. • Negative transient of 50 V (RS = 10 Ω, t < 100 ms) QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply supply voltage VP Iq(tot) TDA3664 regulator on 3 14.4 45 V TDA3664AT regulator on 3 14.4 45 V TDA3664T regulator on 3 14.4 33 V VP = 14.4 V; no load − 15 30 µA total quiescent supply current (all versions) Voltage regulator VREG regulator output voltage TDA3664T 8 V ≤ VP ≤ 22 V 4.8 5.0 5.2 V TDA3664 and TDA3664AT 6 V ≤ VP ≤ 45 V 4.75 5.0 5.25 V IREG regulator output current 0.5 mA ≤ IREG ≤ 100 mA 4.75 5.0 5.25 V VREG(drop) dropout voltage IREG = 50 mA − 0.18 0.3 V ORDERING INFORMATION TYPE NUMBER TDA3664 PACKAGE NAME DESCRIPTION − VERSION plastic surface mounted package; collector pad for good heat transfer; 4 leads SOT223 TDA3664T SO8 plastic small outline package; 8 leads; body width 3.9 mm SOT96-1 TDA3664AT SO8 plastic small outline package; 8 leads; body width 3.9 mm SOT96-1 1999 Sep 01 2 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 BLOCK DIAGRAM handbook, halfpage 1 (8) V P 3 (1) REGULATOR REG BANDGAP TDA3664 THERMAL PROTECTION 2, 4 (3) MGL809 GND Pins between brackets are for the SO8 version. Fig.1 Block diagram for SOT223. PINNING PIN SYMBOL DESCRIPTION SOT223 SO8 1 8 supply voltage GND 2 and 4 3 ground REG 3 1 regulator output n.c. − 2, 4, 5, 6 and 7 VP not connected GND handbook, halfpage handbook, halfpage 4 REG 1 n.c. 2 8 VP 7 n.c. TDA3664 1 2 3 VP GND REG GND 3 6 n.c. n.c. 4 5 n.c. MDA959 MGL810 Fig.2 Pin configuration of SOT223. 1999 Sep 01 Fig.3 Pin configuration of SO8. 3 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 FUNCTIONAL DESCRIPTION A temperature protection is included, which switches the regulator output off at IC temperatures above 150 °C. The TDA3664 is a fixed 5 V regulator which can deliver output currents up to 100 mA. The regulator is available in SO8 and SOT223 packages. The regulator is intended for portable, mains, telephone and automotive applications. To increase the lifetime of batteries, a specially built-in clamp circuit keeps the quiescent current of this regulator very low, also in dropout and full load conditions. A new output structure guarantees the stability of the regulator with an ESR up to 38 Ω. This is very attractive as the ESR of an electrolytic capacitor increases strongly at low temperatures (no expensive tantalum capacitor required). The regulator remains operational down to very low supply voltages, below which it switches off. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT supply voltage VP TDA3664T − 22 V TDA3664 − 45 V − 45 V − −25 V SO8 − 0.8 W SOT223 − 5 W −55 +150 °C TDA3664T −40 +85 °C TDA3664 −40 +125 °C TDA3664AT −40 +125 °C −40 +150 °C TDA3664AT VP(rp) reverse polarity supply voltage non-operating Ptot total power dissipation Tamb = 25 °C Tstg storage temperature non-operating Tamb ambient temperature range operating Tj junction temperature operating THERMAL CHARACTERISTICS SYMBOL Rth(j-a) PARAMETER CONDITIONS thermal resistance from junction to ambient SOT223 thermal resistance from junction to case (SOT223) UNIT 155 K/W 100 K/W 25 K/W in free air, soldered in SO8 Rth(j-c) VALUE in free air QUALITY SPECIFICATION In accordance with “SNW-FQ-611E”. The number of the quality specification can be found in the “Quality Reference Handbook”. 1999 Sep 01 4 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 CHARACTERISTICS VP = 14.4 V; Tamb = 25 °C; see Fig.4; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply voltage VP Iq supply voltage TDA3664 regulator operating; note 1 3 14.4 45 V TDA3664AT regulator operating; note 1 3 14.4 45 V TDA3664T regulator operating; note 1 3 14.4 33 V VP = 4.5 V; IREG = 0 − 10 − µA VP = 14.4 V; IREG = 0 − 15 30 µA 6 V ≤ VP ≤ 22 V; IREG = 10 mA − 0.2 0.5 mA 6 V ≤ VP ≤ 22 V; IREG = 50 mA − 1.4 2.5 mA 5.0 5.2 V quiescent current Regulator output: on pin REG (IREG = 0.5 mA), −40 °C ≤ Tamb ≤ 125 °C; note 2 VREG regulated output voltage IREG = 0.5 mA, 4.8 8 V ≤ VP ≤ 22 V, Tamb = 25 °C ∆VREG(line) line regulation voltage IREG = 0.5 mA, 8 V ≤ VP ≤ 22 V 4.75 5.0 5.25 V 0.5 mA ≤ IREG ≤ 100 mA 4.75 5.0 5.25 V 6 V ≤ VP ≤ 45 V; note 2 4.75 5.0 5.25 V 8 V ≤ VP ≤ 16 V, Tamb = 25 °C − 1 10 mV 7 V ≤ VP ≤ 22 V, Tamb = 25 °C − 1 30 mV 7 V ≤ VP ≤ 45 V; note 2 − 1 50 mV 0.5 mA ≤ IREG ≤ 50 mA − 10 50 mV ∆VREG(load) load regulation voltage SVRR supply voltage ripple rejection fi = 120 Hz; Vripple = 1 Vrms 50 60 − dB VREG(drop) dropout voltage IREG = 50 mA; VP = 4.5 V; Tamb ≤ 85 °C − 0.18 0.3 V IREG(crl) current limit VREG > 4.5 V 0.17 0.25 − A VREG(stab) long-term stability − 20 − mV/1000 h ILO(rp) output leakage current − 1 500 µA with reverse polarity input VP = −15 V, VREG ≤ 0.3 V Notes 1. The regulator output will follow VP if VP < VREG + VREG(drop) 2. TDA3664T: VP ≤ 22 V; −40 °C ≤ Tamb ≤ 85 °C. 1999 Sep 01 5 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 TEST AND APPLICATION INFORMATION Application information Test information NOISE The output noise is determined by the value of the output capacitor, see Table 1. Table 1 handbook, halfpage VP 1 C1(1) 1 µF REG(3) 3 C2(2) TDA3664 Noise figures NOISE FIGURE (µV)(1) OUTPUT CURRENT IO (mA) CO = 10 µF CO = 47 µF CO = 100 µF 0.5 550 320 300 50 650 400 400 2, 4 MDA960 Note 1. Measured at a bandwidth of 10 Hz to 100 kHz. STABILITY (1) C1 is optional (to minimize supply noise only). (2) C2 = 10 µF. (3) VREG = 5 V. The regulator is stabilized with an external capacitor on the output. The value of this capacitor can be selected using the diagrams shown in Fig.5 and Fig.6. The four examples on the next page show the effects of the stabilization circuit using different values for the output capacitor. Fig.4 Test circuit (SOT223). MDA961 102 handbook, halfpage MDA962 103 handbook, halfpage ESR (Ω) ESR (Ω) (1) 102 10 22 10 stable region 1 stable region 1 (2) 10−1 10−1 10−1 1 10 C2 (µF) 102 1 10 102 IREG (mA) 103 (1) Maximum ESR (Equivalent Series resistance) at 200 µA ≤ IREG ≤ 100 mA. (2) Minimum ESR only when IREG ≤ 200 µA. Fig.5 Curve for selecting the value of the output capacitor. 1999 Sep 01 Fig.6 6 ESR dependency due to IREG for selecting the right type of output capacitor. Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 Example 1 The total thermal resistance of the TDA3664 (SOT223 package) can be decreased to lower values when pin 4 and body of the package are soldered to the printed-circuit board. The regulator is stabilized with an electrolytic output capacitor of 68 µF (ESR = 0.5 Ω). At −40 °C, the capacitor value is decreased to 22 µF and the ESR is increased to 3.5 Ω. The regulator will remain stable at a temperature of −40 °C. Application circuit with backup function Sometimes, a backup function is needed to supply, for example, a microprocessor for a short period of time when the supply voltage spikes to 0 V (or even −1 V). Example 2 The regulator is stabilized with an electrolytic output capacitor of 10 µF (ESR = 3.3 Ω). At −40 °C, the capacitor value is decreased to 3 µF and the ESR is increased to 20 Ω. The regulator will remain stable at a temperature of −40 °C. This function can be easily built with the TDA3664 by using a large output capacitor. When the supply voltage is 0 V (or −1 V), no large current will flow into the output pin out of this large output capacitor (only a few µA). The application circuit is given in Fig.7. Example 3 The regulator is stabilized with a 100 nF MKT capacitor on the output. Full stability is guaranteed when the output current is over 200 µA. Because the thermal influence on this capacitor value is almost zero, the regulator will remain stable at a temperature of −40 °C. handbook, halfpage VP C1(1) 1 µF Example 4 1 3 TDA3664 REG(3) C2(2) 2, 4 The regulator is stabilized with a 100 nF capacitor in parallel with a electrolytic capacitor of 10 µF on the output. MDA960 The regulator is now stable under all conditions and independent of: • The ESR of the electrolytic capacitor • The output current. (1) C1 is optional (to minimize supply noise only). (2) C2 ≤ 4700 µF. (3) VREG = 5 V. APPLICATION CIRCUITS Fig.7 • The value of the electrolytic capacitor The maximum output current of the regulator equals: 150 – T amb 150 – T amb I o ( max ) = ----------------------------------------------------- = ------------------------------------- (mA) 100 × ( V P – 5 ) R th(j-a) × ( V P – V REG ) When Tamb = 21 °C, the maximum output current equals 140 mA at VP =14 V. 1999 Sep 01 7 Application circuit with backup functionality (SOT223 version). Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 ADDITIONAL APPLICATION INFORMATION This section gives typical curves for various parameters measured on the TDA3664AT. Standard test conditions are: VP = 14.4 V; Tamb = 25 °C. MDA947 25 MDA949 4 handbook, halfpage handbook, halfpage Iq (µA) Iq (mA) 20 3 15 2 10 1 5 0 0 0 Fig.8 20 10 VP (V) 0 30 Quiescent current as a function of supply voltage (no load). Fig.9 10 20 40 30 50 Quiescent current increase at high supply voltage. MDA951 2 MDA948 0.48 handbook, halfpage VP (V) handbook, halfpage Iq (mA) (1) Iq (mA) 1.5 0.44 1 0.40 0.5 (2) 0 −40 0.36 0 40 80 120 160 Tj (°C) 5 10 15 20 VP (V) 25 (1) Iq at 50 mA load. (2) Iq at 10 mA load. Fig.10 Quiescent current as a function of temperature. 1999 Sep 01 Fig.11 Quiescent current as a function of supply voltage (IO = 10 mA). 8 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 MDA950 2 MDA952 4 handbook, halfpage handbook, halfpage Iq (mA) Iq (mA) 3 1.8 2 1.6 1 0 1.4 5 10 20 15 VP (V) 0 25 Fig.12 Quiescent current as a function of supply voltage (IO = 50 mA). 60 80 100 IREG (mA) MDA953 5.10 MDA955 6 handbook, halfpage VREG VREG (V) (V) 5.05 4 5.00 2 0 50 100 150 0 −50 200 Tj (°C) Fig.14 Output voltage as a function of temperature (no load). 1999 Sep 01 40 Fig.13 Quiescent current as a function of load current. handbook, halfpage 4.95 −50 20 0 50 100 150 200 Tj (°C) Fig.15 Output voltage thermal protection behaviour (no load). 9 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 MDA957 500 MDA954 6 handbook, halfpage handbook, halfpage VREG(drop) VREG (V) (V) 400 4 300 2 200 0 100 0 80 40 IREG (mA) 120 0 Fig.16 Dropout voltage as a function of load current handbook, halfpage (1) SVRR (dB) −40 (2) −50 (3) (1) −60 (2) −70 10 (3) 102 103 104 f (Hz) 105 (1) SVRR at RL = 10 kΩ. (2) SVRR at RL = 500 Ω. (3) SVRR at RL = 100 Ω. Fig.18 SVRR as a function of frequency at several load conditions (CO = 10 µF). 1999 Sep 01 200 IREG (mA) 300 Fig.17 Foldback protection mode measured at VP = 8 V with pulsed load. MDA956 −30 100 10 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 PACKAGE OUTLINES Plastic surface mounted package; collector pad for good heat transfer; 4 leads D SOT223 E B A X c y HE v M A b1 4 Q A A1 1 2 3 Lp bp e1 w M B detail X e 0 2 4 mm scale DIMENSIONS (mm are the original dimensions) UNIT A A1 bp b1 c D E e e1 HE Lp Q v w y mm 1.8 1.5 0.10 0.01 0.80 0.60 3.1 2.9 0.32 0.22 6.7 6.3 3.7 3.3 4.6 2.3 7.3 6.7 1.1 0.7 0.95 0.85 0.2 0.1 0.1 OUTLINE VERSION REFERENCES IEC JEDEC EIAJ ISSUE DATE 96-11-11 97-02-28 SOT223 1999 Sep 01 EUROPEAN PROJECTION 11 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 SO8: plastic small outline package; 8 leads; body width 3.9 mm SOT96-1 D E A X c y HE v M A Z 5 8 Q A2 A (A 3) A1 pin 1 index θ Lp 1 L 4 e detail X w M bp 0 2.5 5 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (2) e HE L Lp Q v w y Z (1) mm 1.75 0.25 0.10 1.45 1.25 0.25 0.49 0.36 0.25 0.19 5.0 4.8 4.0 3.8 1.27 6.2 5.8 1.05 1.0 0.4 0.7 0.6 0.25 0.25 0.1 0.7 0.3 0.069 0.010 0.057 0.004 0.049 0.01 0.019 0.0100 0.014 0.0075 0.20 0.19 0.16 0.15 0.050 0.01 0.01 0.004 0.028 0.012 inches 0.244 0.039 0.028 0.041 0.228 0.016 0.024 θ Notes 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. Plastic or metal protrusions of 0.25 mm maximum per side are not included. REFERENCES OUTLINE VERSION IEC JEDEC SOT96-1 076E03S MS-012AA 1999 Sep 01 EIAJ EUROPEAN PROJECTION ISSUE DATE 95-02-04 97-05-22 12 o 8 0o Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 SOLDERING If wave soldering is used the following conditions must be observed for optimal results: Introduction to soldering surface mount packages • Use a double-wave soldering method comprising a turbulent wave with high upward pressure followed by a smooth laminar wave. This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages” (document order number 9398 652 90011). • For packages with leads on two sides and a pitch (e): – larger than or equal to 1.27 mm, the footprint longitudinal axis is preferred to be parallel to the transport direction of the printed-circuit board; There is no soldering method that is ideal for all surface mount IC packages. Wave soldering is not always suitable for surface mount ICs, or for printed-circuit boards with high population densities. In these situations reflow soldering is often used. – smaller than 1.27 mm, the footprint longitudinal axis must be parallel to the transport direction of the printed-circuit board. Reflow soldering The footprint must incorporate solder thieves at the downstream end. Reflow soldering requires solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the printed-circuit board by screen printing, stencilling or pressure-syringe dispensing before package placement. • For packages with leads on four sides, the footprint must be placed at a 45° angle to the transport direction of the printed-circuit board. The footprint must incorporate solder thieves downstream and at the side corners. Several methods exist for reflowing; for example, infrared/convection heating in a conveyor type oven. Throughput times (preheating, soldering and cooling) vary between 100 and 200 seconds depending on heating method. During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. The package can be soldered after the adhesive is cured. Typical reflow peak temperatures range from 215 to 250 °C. The top-surface temperature of the packages should preferable be kept below 230 °C. Typical dwell time is 4 seconds at 250 °C. A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. Wave soldering Manual soldering Conventional single wave soldering is not recommended for surface mount devices (SMDs) or printed-circuit boards with a high component density, as solder bridging and non-wetting can present major problems. Fix the component by first soldering two diagonally-opposite end leads. Use a low voltage (24 V or less) soldering iron applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300 °C. To overcome these problems the double-wave soldering method was specifically developed. When using a dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 °C. 1999 Sep 01 13 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 Suitability of surface mount IC packages for wave and reflow soldering methods SOLDERING METHOD PACKAGE REFLOW(1) WAVE BGA, SQFP not suitable HLQFP, HSQFP, HSOP, HTSSOP, SMS not PLCC(3), SO, SOJ suitable suitable(2) suitable suitable LQFP, QFP, TQFP SSOP, TSSOP, VSO suitable not recommended(3)(4) suitable not recommended(5) suitable Notes 1. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum temperature (with respect to time) and body size of the package, there is a risk that internal or external package cracks may occur due to vaporization of the moisture in them (the so called popcorn effect). For details, refer to the Drypack information in the “Data Handbook IC26; Integrated Circuit Packages; Section: Packing Methods”. 2. These packages are not suitable for wave soldering as a solder joint between the printed-circuit board and heatsink (at bottom version) can not be achieved, and as solder may stick to the heatsink (on top version). 3. If wave soldering is considered, then the package must be placed at a 45° angle to the solder wave direction. The package footprint must incorporate solder thieves downstream and at the side corners. 4. Wave soldering is only suitable for LQFP, TQFP and QFP packages with a pitch (e) equal to or larger than 0.8 mm; it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.65 mm. 5. Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than 0.65 mm; it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm. 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. 1999 Sep 01 14 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 5 V voltage regulator TDA3664 NOTES 1999 Sep 01 15 Philips Semiconductors – a worldwide company Argentina: see South America Australia: 3 Figtree Drive, HOMEBUSH, NSW 2140, Tel. +61 2 9704 8141, Fax. +61 2 9704 8139 Austria: Computerstr. 6, A-1101 WIEN, P.O. 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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 without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Printed in The Netherlands 545002/02/pp16 Date of release: 1999 Sep 01 Document order number: 9397 750 06347