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d a t a sh eet product speci?cation supersedes data of august 1982 file under integrated circuits, ic02 may 1991 integrated circuits TDA1023/t proportional-control triac triggering circuit
may 1991 2 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t features adjustable width of proportional range adjustable hysteresis adjustable width of trigger pulse adjustable repetition timing of firing burst control range translation facility fail safe operation supplied from the mains provides supply for external temperature bridge applications panel heaters temperature control general description the TDA1023 is a bipolar integrated circuit for controlling triacs in a proportional time or burst firing mode. permitting precise temperature control of heating equipment it is especially suited to the control of panel heaters. it generates positive-going trigger pulses but complies with regulations regarding mains waveform distortion and rf interference. quick reference data note 1. negative current is defined as conventional current flow out of a device. a negative output current is suited for positive triac triggering. ordering information note 1. TDA1023: 16 dil; plastic (sot38); sot38-1; 1996 november 27. 2. TDA1023t: 16 mini-pack; plastic (so16; sot109a); sot109-1; 1996 november 27. symbol parameter min. typ. max. unit v cc supply voltage (derived from mains voltage) - 13.7 - v v z stabilized supply voltage for temperature bridge - 8 - v i 16(av) supply current (average value) - 10 - ma t w trigger pulse width - 200 -m s t b ?ring burst repetition time at c t = 68 m f - 41 - s -i oh (1) output current -- 150 ma t amb operating ambient temperature range - 20 - +75 c extended type number package pins pin position material code TDA1023 16 dil plastic sot38 (1) TDA1023t 16 mini-pack plastic so16; sot109a (2)
may 1991 3 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t fig.1 block diagram. handbook, halfpage 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 TDA1023 r pd n.c. q hys pr ci ur qr br pw tb v ee v z v cc n.c. rx mba484 fig.2 pin configuration. pinning symbol pin description r pd 1 internal pull-down resistor n.c. 2 not connected q 3 output hys 4 hysteresis control input pr 5 proportional range control input ci 6 control input ur 7 unbuffered reference input qr 8 output of reference buffer br 9 buffered reference input pw 10 pulse width control input v z 11 reference supply output tb 12 ?ring burst repetition time control input v ee 13 ground v cc 14 positive supply n.c. 15 not connected rx 16 external resistor connection
may 1991 4 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t functional description the TDA1023 generates pulses to trigger a triac. these pulses coincide with the zero excursions of the mains voltage, thus minimizing rf interference and mains supply transients. in order to gate the load on and off, the trigger pulses occur in bursts thus further reducing mains supply pollution. the average power in the load is varied by modifying the duration of the trigger pulse burst in accordance with the voltage difference between the control input ci and the reference input, either ur or br. power supply: v cc , rx and v z (pins 14, 16 and 11) the TDA1023 is supplied from the ac mains via a resistor r d to the rx connection (pin 16); the v ee connection (pin 13) is linked to the neutral line (see fig.4a). a smoothing capacitor c s should be coupled between the v cc and v ee connections. a rectifier diode is included between the rx and v cc connections whilst the dc supply voltage is limited by a chain of stabilizer diodes between the rx and v ee connections (see fig.3). a stabilized reference voltage (v z ) is available at pin 11 to power an external temperature sensing bridge. supply operation during the positive mains half-cycles the current through the external voltage dropping resistor r d charges the external smoothing capacitor c s until rx attains the stabilizing potential of the internal stabilizing diodes. r d should be selected to be capable of supplying the current i cc for the TDA1023, the average output current i 3(av) , recharge the smoothing capacitor c s and provide the supply for an external temperature bridge. (see figs 9 to 12). any excess current is by-passed by the internal stabilizer diodes. the maximum rated supply current, however, must not be exceeded. during the negative mains half-cycles external smoothing capacitor c s supplies the sum of the current demand described above. its capacitance must be sufficiently high to maintain the supply voltage above the specified minimum. dissipation in resistor r d is halved by connecting a diode in series (see fig.4b and 9 to 12). a further reduction in dissipation is possible by using a high quality dropping capacitor c d in series with a resistor r sd (see figs 4c and 14). protection of the TDA1023 and the triac against mains-borne transients can be provided by connecting a suitable vdr across the mains input. control and reference inputs ci, br and ur (pins 6, 9 and 7) for the control of room temperature (5 c to 30 c) optimum performance is obtained by using the translation circuit. the buffered reference input br (pin 9) is used as a reference input whilst the output reference buffer qr (pin 8) is connected to the unbuffered reference input ur (pin 7). this ensures that the range of room temperature is encompassed in most of the rotation of the potentiometer to give a linear temperature scale with accurate setting. should the translation circuit not be required, the unbuffered reference input ur (pin 7) is used as a reference input. the buffered reference input br (pin 9) must then be connected to the reference supply output v z (pin 11). for proportional power control the unbuffered reference input ur (pin 7) must be connected to the firing burst repetition time control input tb (pin 12).the buffered reference input br (pin 9), which is in this instance inactive, must then be connected to the reference supply output v z (pin 11). proportional range control input pr (pin 5) the output duty factor changes from 0% to 100% by a variation of 80 mv at the control input ci (pin 6) with the proportional range control input pr open. for temperature control this corresponds to a temperature difference of 1 k. by connecting the proportional range control input pr (pin 5) to ground the range may be increased to 400 mv, i.e. 5 k. intermediate values may be obtained by connecting the pr input to ground via a resistor r5 (see table 1). hysteresis control input hys (pin 4) with the hysteresis control input hys (pin 4) open, the device has a built-in hysteresis of 20 mv. for temperature control this corresponds with 0.25 k. hysteresis is increased to 320 mv, corresponding to 4 k, by grounding hys (pin 4). intermediate values are obtained by connecting pin 4 via resistor r4 to ground. table 1 provides a set of values for r4 and r5 giving a fixed ratio between hysteresis and proportional range.
may 1991 5 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t trigger pulse width control input pw (pin 10) the width of the trigger pulse may be adjusted to the value required for the triac by choosing the value of the external synchronization resistor r s between the trigger pulse width control input pw (pin 10) and the ac mains. the pulse width is inversely proportional to the input current (see fig.13). output q (pin 3) since the circuit has an open-emitter output it is capable of sourcing current. it is thus suited for generating positive-going trigger pulses. the output is current-limited and short-circuit protected. the maximum output current is 150 ma and the output pulses are stabilized at 10 v for output currents up to that value. to minimize the total supply current and power dissipation, a gate resistor r g must be connected between the output q and the triac gate to limit the output current to the minimum required by the triac (see figs 5 to 8). pull-down resistor r pd (pin 1) the TDA1023 includes a 1.75 k w pull-down resistor r pd between pins 1 and 13 (v ee , ground connection) intended for use with sensitive triacs. limiting values in accordance with the absolute maximum system (iec 134) symbol parameter min. max. unit v cc dc supply voltage - 16 v supply current i 16(av) average - 30 ma i 16(rm) repetitive peak - 100 ma i 16(sm) non-repetitive peak (tp < 50 m s) - 2a v i input voltage, all inputs - 16 v i 6, 7, 9, 10 input current - 10 ma v 1 voltage on r pd connection - 16 v v 3, 8, 11 output voltage, q, qr, v z - 16 v output current -i oh(av) average - 30 ma -i oh(m) peak max. 300 m s - 700 ma p tot total power dissipation - 500 mw t stg storage temperature range - 55 +150 c t amb operating ambient temperature range - 20 +75 c
may 1991 6 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t characteristics vcc = 11 to 16 v; t amb = - 20 to +75 c unless otherwise speci?ed symbol parameter conditions min. typ. max. unit supply v cc internally stabilized supply voltage at i 16 = 10 ma 12 13.7 15 v d v cc / d i 16 variation with i 16 - 30 - mv/ma i 16 supply current at v 16-13 = 11 to 16 v; i 10 = 1ma; f = 50 hz; pin 11 open; v 6-13 > v 7-13 pins 4 and 5 open -- 6ma pins 4 and 5 grounded -- 7.1 ma reference supply output v z (pin 11) for external temperature bridge v 11-13 output voltage - 8 - v - i 11 output current -- 1ma control and reference inputs ci, br and ur (pins 6, 9 and 7) v 6-13 input voltage to inhibit the output - 7.6 - v i 6, 7, 9 input current v 1 = 4 v -- 2 m a hysteresis control input hys (pin 4) d v 6 hysteresis pin 4 open 9 20 40 mv d v 6 hysteresis pin 4 grounded - 320 - mv proportional control range input pr (pin 5) d v 6 proportional range pin 5 open 50 80 130 mv d v 6 proportional range pin 5 grounded - 400 - mv pulse width control input pw (pin 10) t w pulse width i 10(rms) = 1ma; f = 50 hz 100 200 300 m s firing burst repetition time control input tb (pin 12) t b c t ?ring burst repetition time, ratio to capacitor c t 320 600 960 ms/ m f output of reference buffer qr (pin 8) output voltage at input voltage: v 8-13 v 9-13 = 1.6 v - 3.2 - v v 8-13 v 9-13 = 4.8 v - 4.8 - v v 8-13 v 9-13 = 8 v - 6.4 - v output q (pin 3) v oh output voltage high - i oh = 150 ma 10 -- v - i oh output current high -- 150 ma internal pull-down resistor r pd (pin 1) r pd resistance to v ee 1 1.75 3 k w
may 1991 7 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t table 1 adjustment of proportional range and hysteresis. combinations of resistor values giving hysteresis > 1 4 proportional range. table 2 timing capacitor values c t note 1. special electrolytic capacitors recommended for use with the TDA1023. proportional range proportional range resistor minimum hysteresis maximum hysteresis resistor r5 r4 mv k w mv k w 80 open 20 open 160 3.3 40 9.1 240 1.1 60 4.3 320 0.43 80 2.7 400 0 100 1.8 effective dc value marked ac speci?cation catalogue number (1) m f m fv 68 47 25 2222 016 90129 47 33 40 - - 90131 33 22 25 - 015 90102 22 15 40 - - 90101 15 10 25 - - 90099 10 6.8 40 - - 90098 fig.3 internal supply connections. handbook, halfpage mba483 16 rx v ee v z 14 13 11 stabilizer v cc
may 1991 8 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t fig.4 alternative supply arrangements. handbook, full pagewidth mba470 u 16 rx c s v ee v cc 14 TDA1023 ac mains voltage v s load (heater) r sd 3 r g 13 q handbook, full pagewidth mba482 u 16 rx c s v ee v cc 14 TDA1023 ac mains voltage v s load (heater) r d 3 r g 13 q d1 handbook, full pagewidth mba469 u 16 rx c s v ee v cc 14 TDA1023 ac mains voltage v s load (heater) baw62 d1 baw62 d2 r sd 3 r g c d 13 q a. b. c.
may 1991 9 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t fig.5 v s = 110 v, 50 hz. fig.6 v s = 220 v, 50 hz.
may 1991 10 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t fig.7 v s = 240 v, 50hz. fig.8 v s = 380 v, 50 hz.
may 1991 11 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t fig.9 v s = 110 v. fig.10 v s = 220 v.
may 1991 12 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t fig.11 v s = 240 v. fig.12 v s = 380 v.
may 1991 13 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t fig.13 synchronization resistor r s as a function of required trigger pulse width t w with a mains voltage v s as a parameter. fig.14 nominal value of voltage dropping capacitor c d and power p rsd dissipated in a voltage dropping resistor r sd as a function of average supply current i 16 (av) with the mains supply voltage v s as a parameter.
may 1991 14 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t fig.15 the TDA1023/t used in a 1200 to 2000 w heater with triac bt139. for component values see table 3. conditions:- mains supply; v s = 220 v; temperature range = 5 to 30 c. bt139 data at t j = 25 c; v gt < 1.5 v; i gt > 70 ma; i l < 60 ma handbook, full pagewidth mba513 u 16 rx c s v cc 14 TDA1023 ac mains voltage v s load (heater) r s 3 r g q d1 r d pw triac neutral line v z ci br r pd v ee qr ur hys pr tb c t 11 6 9 13874512 10 1 q r ntc r p c1 r1
may 1991 15 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t table 3 temperature controller component values (see fig.15). notes 1, 2 notes 1. on/off control: pin 12 connected to pin 13. 2. if translation circuit is not required: slider of r p to pin 7; pin 8 open; pin 9 connected to pin 11. symbol parameter remarks value t w trigger pulse width see bt139 data sheet 75 m s r s synchronization resistor see fig.13 180 k w r g gate resistor see fig.6 110 w i 3(av) max. average gate current see fig.8 4.1 ma r4 hysteresis resistor see table 1 n.c. r5 proportional band resistor see table 1 n.c. i 16(av) min. required supply current 11.1 ma r d mains dropping resistor see fig.10 6.2 k w p rd power dissipated in r d see fig.10 4.6 w c t timing capacitor (eff. value) see table 2 68 m f vdr voltage dependent resistor cat. no. 2322 593 62512 250 v ac d1 recti?er diode byw56 r1 resistor to pin 11 1% tolerance 18.7 k w r ntc ntc thermistor (at 25 c) b = 4200 k cat no. 2322 642 12223 22 k w r p potentiometer 22 k w c1 capacitor between pins 6 and 9 47 nf c s smoothing capacitor 220 m f; 16 v if r d and d1 are replaced by c d and r sd c d mains dropping capacitor 470 nf r sd series dropping resistor 390 w p rsd power dissipated in r sd see fig.14 0.6 w vdr voltage dependent resistor cat. no. 2322 594 62512 250 v ac
may 1991 16 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t package outlines unit a max. 1 2 b 1 cee m h l references outline version european projection issue date iec jedec eiaj mm inches dimensions (inch dimensions are derived from the original mm dimensions) sot38-1 92-10-02 95-01-19 a min. a max. b max. w m e e 1 1.40 1.14 0.055 0.045 0.53 0.38 0.32 0.23 21.8 21.4 0.86 0.84 6.48 6.20 0.26 0.24 3.9 3.4 0.15 0.13 0.254 2.54 7.62 0.30 8.25 7.80 0.32 0.31 9.5 8.3 0.37 0.33 2.2 0.087 4.7 0.51 3.7 0.15 0.021 0.015 0.013 0.009 0.01 0.10 0.020 0.19 050g09 mo-001ae m h c (e ) 1 m e a l seating plane a 1 w m b 1 e d a 2 z 16 1 9 8 b e pin 1 index 0 5 10 mm scale note 1. plastic or metal protrusions of 0.25 mm maximum per side are not included. (1) (1) d (1) z dip16: plastic dual in-line package; 16 leads (300 mil); long body sot38-1
may 1991 17 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t x w m q a a 1 a 2 b p d h e l p q detail x e z e c l v m a (a ) 3 a 8 9 1 16 y pin 1 index unit a max. a 1 a 2 a 3 b p cd (1) e (1) (1) eh e ll p qz y w v q references outline version european projection issue date iec jedec eiaj mm inches 1.75 0.25 0.10 1.45 1.25 0.25 0.49 0.36 0.25 0.19 10.0 9.8 4.0 3.8 1.27 6.2 5.8 0.7 0.6 0.7 0.3 8 0 o o 0.25 0.1 dimensions (inch dimensions are derived from the original mm dimensions) note 1. plastic or metal protrusions of 0.15 mm maximum per side are not included. 1.0 0.4 sot109-1 95-01-23 97-05-22 076e07s ms-012ac 0.069 0.010 0.004 0.057 0.049 0.01 0.019 0.014 0.0100 0.0075 0.39 0.38 0.16 0.15 0.050 1.05 0.041 0.244 0.228 0.028 0.020 0.028 0.012 0.01 0.25 0.01 0.004 0.039 0.016 0 2.5 5 mm scale so16: plastic small outline package; 16 leads; body width 3.9 mm sot109-1
may 1991 18 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t 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). dip 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. so r eflow soldering reflow soldering techniques are suitable for all so packages. 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. 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. preheating is necessary to dry the paste and evaporate the binding agent. preheating duration: 45 minutes at 45 c. w ave soldering wave soldering techniques can be used for all so packages if the following conditions are observed: 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. 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. 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. a mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. r epairing soldered joints fix the component by first soldering two diagonally- opposite 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.
may 1991 19 philips semiconductors product speci?cation proportional-control triac triggering circuit TDA1023/t 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 speci?cation this data sheet contains target or goal speci?cations for product development. preliminary speci?cation this data sheet contains preliminary data; supplementary data may be published later. product speci?cation this data sheet contains ?nal product speci?cations. 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 speci?cation 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 speci?cation.

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