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1. general description the TEA1703TS is a low power st andby controller ic intended to be used in applications which require an extreme low no-load standby power. the TEA1703TS includes circuitry for dete cting output voltage, output power and switching of the smps. the TEA1703TS integrates a switched-mode optocoupler driver, which enables an optocoupler to be driven with a high peak current while keeping the required power low 1 . the typical current consumption of a TEA1703TS is 30 a. in a typical notebook adapter application, the power consumption of a TEA1703TS is < 0.5 mw. 2. features and benefits ? switched-mode power supply (smps) standby controller ic enabling very low power standby operation ? large input voltage range (5 v up to 30 v) ? very low supply current (30 a) typical ? switched-mode optocoupler driver output (nxp semiconductors patented) ? easy application, only 6 pins to connect 3. applications the device can be used in applications that require a very low power no-load standby. 4. ordering information TEA1703TS greenchip smps standby control ic rev. 1 ? 7 june 2012 product data sheet 1. nxp semiconductors patented. table 1. ordering information type number package name description version TEA1703TS tsop6 plastic surface mounted package; 6 leads sot457
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 2 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 5. block diagram 6. pinning information 6.1 pinning 6.2 pin description fig 1. block diagram aaa-000983 oscillator voltage sense power sense 1.22 v 0.94 a 1.3 a 0.5 v switch detect reference and supply 3 vsense psense swdet 5 4 opto 6 gnd 2 vcc 1 TEA1703TS fig 2. pin configuration (sot457) aaa-000984 TEA1703TS vcc 1 2 3 6 5 4 vsense psense gnd opto swdet table 2. pin description symbol pin description vcc 1 supply voltage gnd 2 ground vsense 3 voltage sense input swdet 4 switch detect input psense 5 power sense input opto 6 optocoupler driver
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 3 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 7. functional description 7.1 general control the TEA1703TS contains a standby controller for switched-mode power supplies. typical configurations are shown in figure 3 and figure 4 . typically the TEA1703TS senses the output vo ltage and output power of a switched-mode power supply. the output voltage is sensed using a resistive divider network connected to the vsense pin. the output power is sensed by determining the s witching freq uency of the converter using an external filtering netw ork. the converter output power is dependent on the switching frequency, such as in a discontinuous conduction mode flyback converter which has a fixed primary peak current during low load operation. the TEA1703TS can be used in combination with a tea1753 flyback controller. the tea1753t vinsense pin can be used to enter standby mode. however, the vinsense pin is also used to reset a latched protection in the tea1753t. the TEA1703TS has an integrated switching detection circuit which pr events unintentional resetting of a latched protection. when the tea1753t is not switching, the TEA1703TS does not activate standby mode. switching is detected using the swdet pin as shown in figure 3 . when configured with the tea1733, switching detection is only required if the primary-side v cc (tea1733 vcc pin) is discharged below the latched protection reset level. in figure 4 a zener diode z1 is connected in series with the npn transistor q1 which discharges v cc on the vcc pin. the zener diode is chosen to keep v cc on the vcc pin just below the tea1733 v cc start-up level wh ile the application is in standby mode, guaranteeing a short restart time. if the zener diode is omitted, connect the switching detection input as shown in figure 4 . otherwise connect the swdet pin using a series resistor to a fixed voltage. the TEA1703TS has an open-drain optocoupler driver output with an integrated freewheeling diode to the vcc pin. the optocoupler is efficiently driven in pulse mode which ensures that the optocoupler current transfer ratio (ctr) remains high; see section 7.7 and section 7.8 .
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 4 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic fig 3. typical configuration of TEA1703TS with tea1753 aaa_000985 TEA1703TS tea1753t 3 5 4 1 2 6 opto controller opto controller opto on/off opto on/off vout 12 11 9 16 13 14 2 8 6 7 3 10 4 1 gnd opto swdet psense vsense vcc
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 5 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic fig 4. typical configuration of TEA1703TS with tea1733 aaa-000986 TEA1703TS tea1733t 3 5 4 1 2 6 opto controller opto on/off opto on/off opto controller z1 q1 1 2 3 4 8 7 6 5 opto swdet psense vsense vcc q gnd
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 6 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 7.2 standby mode operation when the output load of the switched-mode power supply falls, the voltage on the psense pin also falls. when the voltage on the psense pin is < v th(psense) , the TEA1703TS activates the opto pin output when the swdet pin current is > i th(det)sw . when the opto pin output is activated in a typical application, the TEA1703TS disables the switched-mode power supply. the output voltage starts to fall. after a period dependent on the connected ou tput power and th e output capacitor value, the vsense voltage falls below the v th(vsense) level. the opto pin output is then disabled again. this function restarts the primary-side converter. if the output power remains low, the application reverts to standby mode again after the output capacitor has been recharged. when a normal load is detected, the converter resumes normal operation; see figure 5 . 7.3 voltage sensing (pin vsense) if the voltage on the vsense pin is > v th(vsense) , the vsense pin outputs a current i o(vsense) . this current in combination with the external resistive divider, creates a hysteresis on the adapter output voltage level. in a typical application, the effective output voltage hysteresis is larger than that set by i o(vsense) and the resistive divider. this is because the external psen se filter circuit keeps the psense voltage > v th(psense) when the output capacitor is not charged up to the normal output voltage level. fig 5. standby mode operation signals v th(vsense) v o(nom) v th(psense) i th(det)sw normal operation standby standby normal operation low output load stopping smps re-starting smps re-starting smps stopping smps output load output voltage vsense psense swdet opto primary side converter active 001aan123
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 7 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 7.4 power sensing (pin psense) output power sensing is implemented using an external filter network on the psense pin. the psense input is not latc hed internally. if, during st andby mode, th e psense pin is pulled above the v th(psense) level, the opto output is di sabled. the hysteresis on the psense pin makes the system less sensitive to voltage ripple. 7.5 switching detection (pin swdet) a switching detection pin is provided to prev ent applications resetting a latched protection of the primary-side converter, such as the tea1753. the standby mode can only be activated when the current into the swdet pin is above the i th(det)sw level. the swdet signal is latched internally. as so on as the opto output is activated, the swdet signal is ignored. if the swdet input is not needed, it can be connected to the vcc pin using a series resistor. the current into the swdet pin must be above the i th(det)sw level when the switched mode power supply is in normal operation. 7.6 optocoupler output (pin opto) the optocoupler output is an open-drain outp ut with an integrated diode connected to pin vcc. the output is driven with a fixed frequency (f osc ,) and a fixed on-time (t on(opto) ). the optocoupler diode current can be set by choosing the value of the series inductor. the current is not limited internally. 7.7 optocoupler ctr the ctr of a typical optocoupler falls significantly when small opto-diode currents are used. with low optocoupler output currents, a higher diode current is needed for a typical low-cost optocoupler. in low standby power operation of the switc hed-mode power supply, it is necessary to keep all currents low. to maintain a high ctr, the optocoupler diode can be driven with a high current and a small duty cycle. th e average driving cu rrent is still low. figure 6 shows that a typical optocoupler ctr plotted for a dc-driven opto-diode and a pulse-driven opto-diode. the pulse-driven diode is driven with a 2 ma duty cycle modulated current. the ctr remains high, even for a very small average diode current (low duty cycle) when the diode is pulse-driven, while the ctr for a dc-driven optocoupler falls to a few percent.
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 8 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 7.8 optocoupler drive if a series resistor is used to limit the op tocoupler diode current and the output voltage of the application is 19 v, about 95 % of the drivi ng energy is lost in the series resistor. the efficiency to drive the optocoupler is therefore not more than about 5 %. in the intended application, the optocoupler is active in standby mode. therefore, the energy to drive the optocoupler must be as low as possible. to improve the efficiency of the optocoupler drive, the optocoupler diode can be driven with a series inductor. the optocoupler diode is then driven like a switched-mode power supply 2 . driving the optocoupler with a series inductor improves the efficiency by a factor of 10 compared to driving it with a series resistor. (1) pulse driven. (2) dc driven. fig 6. typical optocoupler ctr 001aan124 (average) diode current ( a) 11 0 5 10 4 10 10 3 10 2 10 100 1000 ctr (%) 1 (1) (2) 2. nxp semiconductors patented. fig 7. switched-mode optocoupler driver 001aan125 l opto 1 2 3 opto on/off
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 9 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 8. limiting values [1] equivalent to discharging a 100 pf capacitor through a 1.5 k series resistor. [2] equivalent to discharging a 200 pf capacitor through a 0.75 h coil and a 10 resistor. fig 8. switched-mode optocoupler drive signals 001aan126 v cc v opto i opto table 3. limiting values in accordance with the absolute maximum rating system (iec 60134). symbol parameter conditions min max unit voltages v cc supply voltage continuous ? 0.4 +30 v v vsense voltage on pin vsense current limited ? 0.4 +5 v v psense voltage on pin psense current limited ? 0.4 +3 v v opto voltage on pin opto current limited ? 0.4 v cc +2 v currents i vsense current on pin vsense ? 1+1ma i psense current on pin psense ? 1+1ma i swdet current on pin swdet ? 1+1ma i opto current on pin opto ? 1+25ma general p tot total power dissipation t amb < 75 c-0 . 2w t stg storage temperature ? 55 +150 c t j junction temperature ? 40 +150 c esd v esd electrostatic discharge voltage class 1 human body model [1] - 2000 v machine model [2] -200v charged device model - 500 v
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 10 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 9. thermal characteristics 10. characteristics table 4. thermal characteristics symbol parameter conditions typ unit r th(j-a) thermal resistance from junction to ambient in free air; jedec test board 259 k/w r th(j-c) thermal resistance from junction to case in free air; jedec test board 152 k/w table 5. characteristics t amb = 25 c; v cc = 20 v; all voltages are measured with respect to ground (pin gnd); currents are positive when flowing into the ic; unless otherwise specified. symbol parameter conditions min typ max unit supply voltage management (pin vcc) v cc(min) minimum supply voltage 3.5 4 4.5 v i cc(oper) operating supply current 28 31 35 a voltage sensing (pin vsense) v th(vsense) voltage sense threshold voltage 1.17 1.22 1.31 v i o(vsense) voltage sense output current v vsense > 1.2 v ? 1.10 ? 0.94 ? 0.75 a v vsense < 1.2 v ? 30 ? 11 ? 5na power sensing (pin psense) v th(psense) threshold voltage on pin psense 0.45 0.5 0.55 v v hys(psense) hysteresis voltage on pin psense 16 25 34 mv i o(psense) output current on pin psense ? 30 ? 11 ? 5na switching detection (pin swdet) i th(det)sw switching detection threshold current 0.8 1.3 2 a v det(sw) switching detection voltage i swdet = 1.3 a 0.7 0.74 0.8 v optocoupler output (pin opto) r dson drain-source on-state resistance v opto = 1 v 90 100 110 t on(opto) on-time on pin opto 1.2 1.42 1.65 s i lz off-state leakage current v opto = v cc -- 100na f osc oscillator frequency 24 28 33 khz
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 11 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 11. package outline fig 9. package outline sot457 (tsop6) references outline version european projection issue date iec jedec jeita sot457 sc-74 wb m b p d e pin 1 index a a 1 l p q detail x h e e v m a a b y scale c x 13 2 4 5 6 0 1 2 mm plastic surface-mounted package (tsop6); 6 leads sot457 unit a 1 b p cd e h e l p qy wv mm 0.1 0.013 0.40 0.25 3.1 2.7 0.26 0.10 1.7 1.3 e 0.95 3.0 2.5 0.2 0.1 0.2 dimensions (mm are the original dimensions) 0.6 0.2 0.33 0.23 a 1.1 0.9 05-11-07 06-03-16
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 12 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 12. revision history table 6. revision history document id release date data sheet status change notice supersedes TEA1703TS v.1 20120607 product data sheet - -
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 13 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic 13. legal information 13.1 data sheet status [1] please consult the most recently issued document before initiating or completing a design. [2] the term ?short data sheet? is explained in section ?definitions?. [3] the product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple device s. the latest product status information is available on the internet at url http://www.nxp.com . 13.2 definitions draft ? the document is a draft versi on only. the content is still under internal review and subject to formal approval, which may result in modifications or additions. nxp semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall hav e no liability for the consequences of use of such information. short data sheet ? a short data sheet is an extract from a full data sheet with the same product type number(s) and title. a short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. for detailed and full information see the relevant full data sheet, which is available on request vi a the local nxp semiconductors sales office. in case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. product specification ? the information and data provided in a product data sheet shall define the specification of the product as agreed between nxp semiconductors and its customer , unless nxp semiconductors and customer have explicitly agreed otherwis e in writing. in no event however, shall an agreement be valid in which the nxp semiconductors product is deemed to offer functions and qualities beyond those described in the product data sheet. 13.3 disclaimers limited warranty and liability ? information in this document is believed to be accurate and reliable. however, nxp semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such info rmation. nxp semiconductors takes no responsibility for the content in this document if provided by an information source outside of nxp semiconductors. in no event shall nxp semiconductors be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation - lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. notwithstanding any damages that customer might incur for any reason whatsoever, nxp semiconductors? aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the terms and conditions of commercial sale of nxp semiconductors. right to make changes ? nxp semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof. suitability for use ? nxp semiconductors products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical systems or equipment, nor in applications where failure or malfunction of an nxp semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. nxp semiconductors and its suppliers accept no liability for inclusion and/or use of nxp semiconducto rs products in such equipment or applications and therefore such inclusion and/or use is at the customer?s own risk. applications ? applications that are described herein for any of these products are for illustrative purpos es only. nxp semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. customers are responsible for the design and operation of their applications and products using nxp semiconductors products, and nxp semiconductors accepts no liability for any assistance with applications or customer product design. it is customer?s sole responsibility to determine whether the nxp semiconductors product is suitable and fit for the customer?s applications and products planned, as well as fo r the planned application and use of customer?s third party customer(s). customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. nxp semiconductors does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer?s applications or products, or the application or use by customer?s third party customer(s). customer is responsible for doing all necessary testing for the customer?s applic ations and products using nxp semiconductors products in order to av oid a default of the applications and the products or of the application or use by customer?s third party customer(s). nxp does not accept any liability in this respect. limiting values ? stress above one or more limiting values (as defined in the absolute maximum ratings system of iec 60134) will cause permanent damage to the device. limiting values are stress ratings only and (proper) operation of the device at these or any other conditions above those given in the recommended operating conditions section (if present) or the characteristics sections of this document is not warranted. constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device. terms and conditions of commercial sale ? nxp semiconductors products are sold subject to the gener al terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms , unless otherwise agreed in a valid written individual agreement. in case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. nxp semiconductors hereby expressly objects to applying the customer?s general terms and conditions with regard to the purchase of nxp semiconducto rs products by customer. no offer to sell or license ? nothing in this document may be interpreted or construed as an offer to sell products t hat is open for acceptance or the grant, conveyance or implication of any lic ense under any copyrights, patents or other industrial or intellectual property rights. document status [1] [2] product status [3] definition objective [short] data sheet development this document contains data from the objecti ve specification for product development. preliminary [short] data sheet qualification this document contains data from the preliminary specification. product [short] data sheet production this document contains the product specification.
TEA1703TS all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 june 2012 14 of 15 nxp semiconductors TEA1703TS greenchip smps standby control ic export control ? this document as well as the item(s) described herein may be subject to export control regu lations. export might require a prior authorization from competent authorities. quick reference data ? the quick reference data is an extract of the product data given in the limiting values and characteristics sections of this document, and as such is not comple te, exhaustive or legally binding. non-automotive qualified products ? unless this data sheet expressly states that this specific nxp semicon ductors product is automotive qualified, the product is not suitable for automotive use. it is neither qualified nor tested in accordance with automotive testing or application requirements. nxp semiconductors accepts no liabili ty for inclusion and/or use of non-automotive qualified products in automotive equipment or applications. in the event that customer uses t he product for design-in and use in automotive applications to automotive specifications and standards, customer (a) shall use the product without nxp semiconductors? warranty of the product for such automotive applicat ions, use and specifications, and (b) whenever customer uses the product for automotive applications beyond nxp semiconductors? specifications such use shall be solely at customer?s own risk, and (c) customer fully indemnifies nxp semiconductors for any liability, damages or failed product claims resulting from customer design and use of the product for automotive app lications beyond nxp semiconductors? standard warranty and nxp semiconduct ors? product specifications. 13.4 trademarks notice: all referenced brands, produc t names, service names and trademarks are the property of their respective owners. greenchip ? is a trademark of nxp b.v. 14. contact information for more information, please visit: http://www.nxp.com for sales office addresses, please send an email to: salesaddresses@nxp.com
nxp semiconductors TEA1703TS greenchip smps standby control ic ? nxp b.v. 2012. all rights reserved. for more information, please visit: http://www.nxp.com for sales office addresses, please se nd an email to: salesaddresses@nxp.com date of release: 7 june 2012 document identifier: TEA1703TS please be aware that important notices concerning this document and the product(s) described herein, have been included in section ?legal information?. 15. contents 1 general description . . . . . . . . . . . . . . . . . . . . . . 1 2 features and benefits . . . . . . . . . . . . . . . . . . . . 1 3 applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 ordering information . . . . . . . . . . . . . . . . . . . . . 1 5 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2 6 pinning information . . . . . . . . . . . . . . . . . . . . . . 2 6.1 pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 6.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . 2 7 functional description . . . . . . . . . . . . . . . . . . . 3 7.1 general control . . . . . . . . . . . . . . . . . . . . . . . . . 3 7.2 standby mode operation. . . . . . . . . . . . . . . . . . 6 7.3 voltage sensing (pin vsense). . . . . . . . . . . . . 6 7.4 power sensing (pin psense) . . . . . . . . . . . . . 7 7.5 switching detection (pin swdet). . . . . . . . . . . 7 7.6 optocoupler output (pin opto) . . . . . . . . . . . . 7 7.7 optocoupler ctr . . . . . . . . . . . . . . . . . . . . . . . 7 7.8 optocoupler drive . . . . . . . . . . . . . . . . . . . . . . . 8 8 limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 9 9 thermal characteristics . . . . . . . . . . . . . . . . . 10 10 characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 10 11 package outline . . . . . . . . . . . . . . . . . . . . . . . . 11 12 revision history . . . . . . . . . . . . . . . . . . . . . . . . 12 13 legal information. . . . . . . . . . . . . . . . . . . . . . . 13 13.1 data sheet status . . . . . . . . . . . . . . . . . . . . . . 13 13.2 definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 13.3 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 13.4 trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 14 14 contact information. . . . . . . . . . . . . . . . . . . . . 14 15 contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

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