INTEGRATED CIRCUITS DATA SHEET TDA3606A Multiple voltage regulator with battery detection Product specification Supersedes data of 1997 Aug 12 File under Integrated Circuits, IC01 1998 May 07 Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A FEATURES GENERAL DESCRIPTION * One VP-state controlled regulator The TDA3606A is a low power voltage regulator. It contains: * Regulator and reset outputs operate during load dump 1. One fixed voltage regulator with a foldback current protection, intended to supply a microprocessor, that also operates during load dump * Supply voltage range of -18 to +50 V * Low quiescent current (battery detection switched off) * High ripple rejection * Dual reset output. 2. A reset-signal can be used to interface with the microprocessor PROTECTIONS 3. Supply pin can withstand load dump pulses and negative supply voltages 4. Defined start-up behaviour; regulator will be switched on at a supply voltage higher than 7.6 V and off when the output voltage of the regulator drops below 2.4 V. * Reverse polarity safe (down to -18 V without high reverse current) * Able to withstand voltages up to 18 V at the output (supply line may be short-circuited) * ESD protected on all pins * Load dump protection * Foldback current limit protection for regulator * DC short-circuit safe to ground and VP of regulator output. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supplies VP Iq(tot) supply voltage operating regulator on jump start t 10 minutes - - 30 V load dump protection t 50 ms; tr 2.5 ms - - 50 V standby mode - 95 120 A 7 V VP 18 V 4.85 5.0 5.15 V 0.5 mA IREG 150 mA 4.8 5.0 5.2 V IREG = 150 mA - - 0.5 V total quiescent supply current 5.6 14.4 25 V Voltage regulator VREG VREGd output voltage regulator drop-out voltage ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TDA3606AT SO20 1998 May 07 DESCRIPTION plastic small outline package; 20 leads; body width 7.5 mm 2 VERSION SOT163-1 Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A BLOCK DIAGRAM handbook, full pagewidth VP (14.4 V) 17 16 LOAD DUMP PROTECTION (5 V/150 mA) REG REGULATOR REFERENCE 4.7 k 14 RES2 & VC 6 4.7 k 15 RES1 TDA3606A REG 4 5 BATTERY BUFFER VI(bat) VO(bat) 1 to 3, 8 to 13, 18 to 20 7 MGK597 GND n.c. Fig.1 Block diagram. PINNING SYMBOL n.c. PIN 1 to 3 DESCRIPTION VI(bat) 4 battery input voltage VO(bat) 5 battery detection output voltage VC 6 reset delay capacitor GND 7 ground (0 V) n.c. 8 to 13 handbook, halfpage not connected; heat spreader n.c. 1 20 n.c. n.c. 2 19 n.c. n.c. 3 18 n.c. VI(bat) 4 17 VP VO(bat) 5 not connected; heat spreader 16 REG TDA3606AT RES2 14 reset 2 output VC 6 15 RES1 RES1 15 reset 1 output GND 7 14 RES2 REG 16 regulator output n.c. 8 13 n.c. VP 17 supply voltage n.c. 9 12 n.c. n.c. 18 to 20 n.c. 10 11 n.c. not connected; heat spreader MGK600 Fig.2 Pin configuration. 1998 May 07 3 Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A RES1 will go HIGH by an internal pull-up resistor of 4.7 k, and is used to initialize the microprocessor. RES2 is used to indicate that the regulator output voltage is within its voltage range. This start-up feature is built-in to secure a smooth start-up of the microprocessor at first connection, without uncontrolled switching of the regulator during the start-up sequence. FUNCTIONAL DESCRIPTION The TDA3606A is a voltage regulator intended to supply a microprocessor (e.g. in car radio applications). Because of low voltage operation of the application, a low-voltage drop regulator is used in the TDA3606A. This regulator will switch on when the supply voltage exceeds 7.6 V for the first time and will switch off again when the output voltage of the regulator drops below 2.4 V. When the regulator is switched on, the RES1 and RES2 outputs (RES2 can only be HIGH when RES1 is HIGH) will go HIGH after a fixed delay time (fixed by an external delay capacitor) to generate a reset to the microprocessor. All output pins are fully protected. The regulator is protected against load dump and short-circuit (foldback current protection). Interfacing with the microprocessor can be accomplished by means of a battery Schmitt-trigger and output buffer (simple full/semi on/off logic applications). The battery output will go HIGH when the battery input voltage exceeds the HIGH threshold level. 50 V handbook, full pagewidth VP 4.35 V 4.35 V regulator 2.4 V reset 1 reset 2 reset delay capacitor 2V 2V on/off switch 2.1 V battery input 2V battery output MGB857 Fig.3 Timing diagrams. 1998 May 07 4 Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VP PARAMETER CONDITIONS MIN. MAX. UNIT supply voltage operating regulator on - 25 V jump start t 10 minutes - 30 V load dump protection t 50 ms; tr 2.5 ms - 50 V VP reverse battery voltage non-operating - -18 V VI(bat)p positive pulse voltage at battery input VP = 14.4 V; RI = 5 k - 50 V VI(bat)n negative pulse voltage at battery input VP = 14.4 V; RI = 5 k - -100 V Ptot total power dissipation Tamb = 25 C - 2.5 W Tstg storage temperature non-operating -55 +150 C Tamb operating ambient temperature -40 +85 C Tj junction temperature -40 +150 C operating THERMAL CHARACTERISTICS SYMBOL PARAMETER Rth (j-p) thermal resistance from junction to pins Rth (j-a) thermal resistance from junction to ambient CONDITIONS VALUE UNIT 20 K/W in free air; note 1 50 K/W in free air; note 2 60 K/W Notes 1. On IMS board. 2. On standard board with double sided copper area connected to pins. QUALITY SPECIFICATION In accordance with "SNW-FQ-611E". The number of the quality specification can be found in the "Quality Reference Handbook". The handbook can be ordered using the code 9397 750 00192. 1998 May 07 5 Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A CHARACTERISTICS VP = 14.4 V; Tamb = 25 C; see Fig.5; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supplies VP Iq supply voltage operating regulator on; note 1 5.6 14.4 25 V jump start t 10 minutes - - 30 V load dump protection t 50 ms, tr 2.5 ms - - 50 V VP = 12.4 V; note 2 - 95 120 A VP = 14.4 V; note 2 - 100 - A load dump; VP = 50 V - 5 20 mA 6.2 7.5 8.2 V quiescent current Schmitt-trigger for regulator and reset 1 Vthr rising supply voltage threshold Vthf falling voltage of regulator threshold Vhys IREG = 5 mA 2.1 2.4 2.7 V IREG = 30 mA - 2.25 - V - 5.1 - V hysteresis Schmitt-trigger for battery detection Vthr rising voltage threshold 1.9 2.05 2.2 V Vthf falling voltage threshold 1.8 1.95 2.1 V Vhys hysteresis - 0.1 - V 4.25 4.45 4.65 V Schmitt-trigger for reset 2 Vthr rising voltage of regulator note 3 Vthf falling voltage of regulator note 3 Vhys hysteresis 4.15 4.35 4.55 V - 0.1 - V Reset 1 and reset 2 buffers Isink LOW-level sink current 2 - - mA Rpu internal pull-up resistor VRES 0.8 V; note 3 3.7 4.7 5.7 k Io output current - 0.75 - A Vthr rising voltage threshold 1.4 2.0 2.8 V td delay time Cd = 47 nF; note 4 40 125 - ms VOL LOW-level output voltage II = 0 mA 0 0.05 0.8 V VOH HIGH-level output voltage Io = 5 A; note 5 - 5.0 5.2 V IOL LOW-level output current VOL 0.8 V 0.2 0.5 - mA IOH HIGH-level output current VOH 3 V 0.3 1.0 - mA Reset delay Battery buffer 1998 May 07 6 Philips Semiconductors Product specification Multiple voltage regulator with battery detection SYMBOL TDA3606A PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Regulator (IREG = 5 mA) Vo output voltage 0.5 mA IREG 150 mA; 7 V VP 18 V 4.8 5.0 5.2 V 18 V VP 50 V; load dump; IREG = 30 mA 4.75 5.0 5.25 V Io output current load dump; VP > 25 V - - 100 mA VREG line regulation 7 V VP 18 V - 3 50 mV VREGL load regulation 0.5 mA IREG 150 mA - - 70 mV SVRR supply voltage ripple rejection fi = 200 Hz; Vi(p-p) = 2 V; Io = 5 mA 55 60 - dB VREGd drop-out voltage IREG = 150 mA; VP = 5.5 V; note 6 - 0.9 1 V Iclr current limit VREG > 4.5 V; note 7 0.2 0.27 0.6 A Iscr short-circuit current RL 0.5 ; note 8 50 80 - mA Notes 1. Minimum operating voltage, only if VP has exceeded 7.6 V. 2. The quiescent current is measured in standby mode. So, the battery input is connected to a low voltage source and RL = . 3. The voltage of regulator sinks as a result of a supply voltage drop. Cd C d x V thr 4. The delay time can be calculated with the following formula: t d = ------- dV thr = ----------------------- (ms) I ch I ch 5. Battery output voltage will be equal or less than the output voltage of regulator. 6. The drop-out voltage of regulator is measured between VP and VREG. 7. At current limit, Iclr is held constant (behaviour according to dashed line in Fig.4). 8. The foldback current protection limits the dissipated power at short-circuit (see Fig.4). handbook, halfpage MGB853 5.0 V VREG 1V Iscr 50 mA IREG Fig.4 Foldback current protection. 1998 May 07 7 Iclr Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A TEST AND APPLICATION INFORMATION Test information handbook, full pagewidth 16 VP 10 F VP (1) 10 F 17 6 reset 1 output RL(RES1) TDA3606A 1 k 14 reset 2 output RL(RES2) battery input voltage 4 1 k 10 F VI(bat) RL(REG) 1 k .. 0.5 15 VC regulator output battery output voltage 5 RL(bat) 7 GND 1 k MGK598 (1) Capacitor not required for stability. Fig.5 Test circuit. of 100 F is connected directly to pins 17 and 7 (supply and ground) the noise is minimized. Application information NOISE STABILITY The noise at the output of the regulator depends on the bandwidth of the regulator, which can be adjusted by means of the output capacitor. In Table 1 the noise figures are given. Table 1 The regulator is stabilized by means of the output capacitor. The value of the output capacitor can be selected using the diagram shown in Fig.6. The following two examples show the effects of the stabilization circuit using different values for the output capacitor. Noise figures OUTPUT CURRENT IO (mA) NOISE FIGURE (V)(1) Example 1 AT OUTPUT CAPACITOR CL (F) 10 47 The regulator is stabilized using an electrolytic output capacitor of 68 F (ESR = 0.5 ). At -40 C the capacitor value is decreased to 22 F and the ESR is increased to 3.5 . The regulator will remain stable at a temperature of -40 C. 100 0.5 58 50 45 50 250 200 180 Note 1. Measured at a bandwidth of 10 Hz to 100 kHz. Example 2 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 regulator is translated into a current noise by means of the output capacitor). When a high frequency capacitor of 220 nF in parallel with an electrolytic capacitor The regulator is stabilized using an electrolytic output capacitor of 10 F (ESR = 3.3 ). At -40 C the capacitor value is decreased to 3 F and the ESR is increased to 23.1 . The regulator will be instable at a temperature of -40 C. This can be solved using a tantalum capacitor of 10 F. 1998 May 07 8 Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A handbook, full pagewidth MBK118 8 ESR () 6 (1) 4 stable region 2 (2) 0 0.68 1 10 100 output capacitor (F) 1000 (1) Maximum ESR. (2) Minimum ESR. Fig.6 Curve for selecting the value of the output capacitor. APPLICATION CIRCUITS The maximum output current of the regulator equals: In Fig.7 the quiescent current equals Iq + IRdivider. The specified quiescent current equals Iq. When the supply voltage is connected, the regulator will switch on when the supply voltage exceeds 7.6 V. With the aid of a timing capacitor at pin 6 the reset can be delayed (the timer starts at the same moment as the regulator is switched on). 150 - T amb 150 - T amb I max = ------------------------------------------------------- = ------------------------------------ (mA) R th j-a x ( V P - V REG ) 50 x ( V P - 5 ) When Tamb = 85 C, the maximum output current equals 138 mA. At lower ambient (Tamb < 0) temperature the maximum output current equals 320 mA. Forced reset can be accomplished by short-circuiting the timer capacitor by using the push button switch. When the push button is released again, the timer restarts (only when the regulator is on) causing a second reset on both RES1 and RES2. 1998 May 07 9 Philips Semiconductors Product specification Multiple voltage regulator with battery detection handbook, full pagewidth TDA3606A choke coil 2200 F on/off (closed = on) VP 17 8 V detector R1 360 k 16 VI(bat) 10 F 4 R2 100 k TDA3606A VC forced reset REG 15 14 6 Cd 5 RES1 RES2 VO(bat) 7 MGK599 Fig.7 Typical application. 1998 May 07 10 used for 8 V detector Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A PACKAGE OUTLINE SO20: plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 D E A X c HE y v M A Z 11 20 Q A2 A (A 3) A1 pin 1 index Lp L 1 10 e bp detail X w M 0 5 10 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (1) e HE L Lp Q v w y mm 2.65 0.30 0.10 2.45 2.25 0.25 0.49 0.36 0.32 0.23 13.0 12.6 7.6 7.4 1.27 10.65 10.00 1.4 1.1 0.4 1.1 1.0 0.25 0.25 0.1 0.9 0.4 inches 0.10 0.012 0.096 0.004 0.089 0.01 0.019 0.013 0.014 0.009 0.51 0.49 0.30 0.29 0.050 0.419 0.043 0.055 0.394 0.016 0.043 0.039 0.01 0.01 0.004 0.035 0.016 Z (1) 8o 0o Note 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. REFERENCES OUTLINE VERSION IEC JEDEC SOT163-1 075E04 MS-013AC 1998 May 07 EIAJ EUROPEAN PROJECTION ISSUE DATE 95-01-24 97-05-22 11 Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A SOLDERING Wave soldering Introduction Wave soldering techniques can be used for all SO packages if the following conditions are observed: 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. * A double-wave (a turbulent wave with high upward pressure followed by a smooth laminar wave) soldering technique should be used. * The longitudinal axis of the package footprint must be parallel to the solder flow. * The package footprint must incorporate solder thieves at the downstream end. 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" (order code 9398 652 90011). 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. Reflow soldering Reflow soldering techniques are suitable for all SO packages. Maximum permissible solder temperature is 260 C, and maximum duration of package immersion in solder is 10 seconds, if cooled to less than 150 C within 6 seconds. Typical dwell time is 4 seconds at 250 C. 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. A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. Several techniques exist for reflowing; for example, thermal conduction by heated belt. Dwell times vary between 50 and 300 seconds depending on heating method. Typical reflow temperatures range from 215 to 250 C. Repairing soldered joints Fix the component by first soldering two diagonallyopposite end leads. Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300 C. When using a dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 C. Preheating is necessary to dry the paste and evaporate the binding agent. Preheating duration: 45 minutes at 45 C. 1998 May 07 12 Philips Semiconductors Product specification Multiple voltage regulator with battery detection TDA3606A 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. 1998 May 07 13 Philips Semiconductors Product specification Multiple voltage regulator with battery detection NOTES 1998 May 07 14 TDA3606A Philips Semiconductors Product specification Multiple voltage regulator with battery detection NOTES 1998 May 07 15 TDA3606A Philips Semiconductors - a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. 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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 545102/1200/02/pp16 Date of release: 1998 May 07 Document order number: 9397 750 03768