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TCV7102F 2010-03-23 1 toshiba cmos integrated circuit silicon monolithic TCV7102F buck dc-dc converter ic the TCV7102F is a single-chip buck dc-dc converter ic. the TCV7102F contains high-speed and low-on-resistance power mosfets for the main switch and synchronous rectifier to achieve high efficiency. features ? enables up to 3 a of load current (i out ) with a minimum of external components. ? high efficiency: = 95% (typ.) (@v in = 5 v, v out = 3.3 v, i out = 1 a) ? operating voltage range: v in = 2.7 v to 5.5 v ? low on-resistance: r ds (on) = 0.12 (high-side) / 0.1 (low-side) typical (@v in = 5 v, t j = 25c) ? high oscillation frequency: f osc = 1400khz (typ.) ? feedback voltage: v fb = 0.8 v 1% (@t j = 25c) ? uses internal phase compensation to achieve high efficiency with a minimum of external components. ? allows the use of a small surface-mount ceramic capacitor as an output filter capacitor. ? housed in a small surface-mount package (sop advance) with a low thermal resistance. ? soft-start time adjustable by an external capacitor ? overcurrent protection (o cp) with latch function part marking pin assignment this product has a mos structure and is sensitive to electrostatic discharge. handle with care. the product(s) in this document (?product?) contain fu nctions intended to protect the product from temporary small overloads such as minor short-term overcurrent, or overheating. the pr otective functions do not necessarily protect product under all circumstances. when incorporating product into your system, please design the system (1) to avoid such overloads upon the product, and (2) to shut down or otherwise relieve the product of such overload conditions immediately upon occurrence. for details, please refer to the notes appearing below in this document and other documents referenced in this document. hson8-p-0505-1.27 weight: 0.068 g (typ.) part number (or abbreviation code) tcv 7102f lot no. the dot ( ? ) on the top surface indicates pin 1. * : the lot number consists of three digits. the first digit represents the last di git of the year of manufacture, and the following two digits indicates the week of manufacture between 01 and either 52 or 53. manufacturing week code (the first week of the year is 01; the last week is 52 or 53.) manufacturing year code (last digit of the year of manufacture) v fb 5 en 7 ss 6 2 v in1 3 v in2 4 sgnd l x 8 1 pgnd
TCV7102F 2010-03-23 2 ordering information part number shipping TCV7102F (te12l, q) embossed tape (3000 units per reel) block diagram pin description pin no. symbol description 1 pgnd ground pin for the output section 2 v in1 input pin for the output section this pin is placed in the standby state if v en = low. standby current is 10 a or less. 3 v in2 input pin for the control section this pin is placed in the standby state if v en = low. standby current is 10 a or less. 4 sgnd ground pin for the control section 5 v fb feedback pin this input is fed into an internal error amplifier with a reference voltage of 0.8 v (typ.). 6 ss soft-start pin when the ss input is left open, the soft-start time is 1 ms (typ.). the soft-start time can be adjusted with an external capacitor. the exte rnal capacitor is charged from a 8- a (typ.) constant-current source, and the reference voltage of the error amplifier is regulated between 0 v and 0.8 v. the external capacitor is discharged when en = low and in case of undervoltage lockout or thermal shutdown. 7 en enable pin when en 1.5 v (@ v in = 5 v), the internal circuitry is allowed to operate and thus enable the switching operation of the output section. when en 0.5 v (@ v in = 5 v), the internal circuitry is disabled, putting the TCV7102F in standby mode. standby current is 10 a or less. this pin has an internal pull-down resistor of approx. 500 k . 8 l x switch pin this pin is connected to high-side p-c hannel mosfet and low-side n-channel mosfet. v in2 v fb soft start ref. voltage (0.8 v) ss en under voltage lockout control logic slope compensation oscillator error amplifier driver phase compensation short-circuit protection l x pgnd v in1 current detection sgnd constant-current source (8 a) TCV7102F 2010-03-23 3 absolute maximum ratings (ta = 25c) characteristics symbol rating unit input pin voltage for the output section v in1 ?0.3 to 6 v input pin voltage for the control section v in2 ?0.3 to 6 v feedback pin voltage v fb ?0.3 to 6 v soft-start pin voltage v ss ?0.3 to 6 v enable pin voltage v en ?0.3 to 6 v v en ? v in2 voltage difference v en -v in2 v en ? v in2 < 0.3 v switch pin voltage (note 1) v lx ?0.3 to 6 v switch pin current i lx 3.6 a power dissipation (note 2) p d 2.2 w operating junction temperature t jopr ? 40 to125 c junction temperature (note 3) t j 150 c storage temperature t stg ? 55 to150 c note: using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this pr oduct to decrease in the reliability significantly even if the operating conditions (i.e. operat ing temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. please design the appropriate reliability upon reviewing the toshiba semiconductor reliability handbook (?handling precautions?/?derating concept and methods?) and individual reliability data (i.e. reliability test report and estimated failure rate, etc) note 1: the switch pin voltage (v lx ) doesn?t include the peak voltage generated by TCV7102F?s switching. a negative voltage generated in dead time is permitted among the switch pin current (i lx ). thermal resistance characteristics characteristics symbol max unit thermal resistance, junction to ambient r th (j-a) 44.6 (note 2) c/w thermal resistance, junction to case (tc=25) r th (j-c) 4.17 c/w note 2: note 3: the TCV7102F may into thermal shutdown at the rated maximum junction temperature. thermal design is required to ensure that the rated maxi mum operating junction temperature, t jopr , will not be exceeded. fr-4 25.4 25.4 0.8 (unit: mm) glass epoxy board sin g le-pulse measurement: p ulse width t=10(s) TCV7102F 2010-03-23 4 electrical characteristics (t j = 25c, v in1 = v in2 = 2.7 v to 5.5 v, unless otherwise specified) characteristics symbol test condition min typ. max unit operating input voltage v in (opr) ? 2.7 ? 5.5 v operating current i in v in1 = v in2 = v en = v fb = 5 v ? 500 680 a output voltage range v out (opr) v en = v in1 = v in2 0.8 ? ? v i in (stby) 1 v in1 = v in2 = 5 v, v en = 0 v v fb = 0.8 v ? ? 10 standby current i in (stby) 2 v in1 = v in2 = 3.3 v, v en = 0 v v fb = 0.8 v ? ? 10 a high-side switch leakage current i leak (h) v in1 = v in2 = 5 v, v en = 0 v v fb = 0.8 v, v lx = 0 v ? ? 10 a v ih (en) 1 v in1 = v in2 = 5 v 1.5 ? ? v ih (en) 2 v in1 = v in2 = 3.3 v 1.5 ? ? v il (en) 1 v in1 = v in2 = 5 v ? ? 0.5 en threshold voltage v il (en) 2 v in1 = v in2 = 3.3 v ? ? 0.5 v i ih (en) 1 v in1 = v in2 = 5 v, v en = 5 v 6 ? 13 en input current i ih (en) 2 v in1 = v in2 = 3.3 v, v en = 3.3 v 4 ? 9 a v fb1 v in = 5 v, v en = 5 v tj = 0 to 85 0.792 0.8 0.808 v fb input voltage v fb2 v in = 3.3 v, v en = 3.3 v tj = 0 to 85 0.792 0.8 0.808 v v fb input current i fb v in1 = v in2 = 2.7 v to 5.5 v v fb = v in2 ?1 ? 1 a r ds (on) (h) 1 v in1 = v in2 = 5 v, v en = 5 v i lx = ?1 a ? 0.12 ? high-side switch on-state resistance r ds (on) (h) 2 v in1 = v in2 = 3.3 v, v en = 3.3 v i lx = ?1 a ? 0.13 ? r ds (on) (l) 1 v in1 = v in2 = 5 v, v en = 5 v i lx = 1 a ? 0.1 ? low-side switch on-state resistance r ds (on) (l) 2 v in1 = v in2 = 3.3 v, v en = 3.3 v i lx = 1 a ? 0.11 ? oscillation frequency f osc v in1 = v in2 = v en = 5 v 1100 1400 1700 khz internal soft-start time t ss v in1 = v in2 = 5 v, i out = 0 a, measured between 0% and 90% points at v out . 0.5 1 1.5 ms external soft-start charge current i ss v in1 = v in2 = 5 v, v en = 5 v ?5 ?8 ?11 a high-side switch duty cycle dmax v in1 = v in2 = 2.7 v to 5.5 v ? ? 100 % detection temperature t sd v in1 = v in2 = 5 v ? 150 ? thermal shutdown (tsd) hysteresis t sd v in1 = v in2 = 5 v ? 15 ? c detection voltage v uv v en = v in1 = v in2 2.35 2.45 2.6 recovery voltage v uvr v en = v in1 = v in2 2.45 2.55 2.7 undervoltage lockout (uvlo) hysteresis v uv v en = v in1 = v in2 ? 0.1 ? v l x current limit i lim v in1 = v in2 = 5 v, v out = 2 v 3.5 4.5 ? a latch detection voltage v loc v in1 = v in2 = 5v ? 0.3 ? v overcurrent protection ocp latch detection time t loc v in1 = v in2 = 5 v, v fb = 0.2 v ? 2 ? ms TCV7102F 2010-03-23 5 note on electrical characteristics the test condition t j = 25c means a state where any drifts in electrical characteristics incurred by an increase in the chip?s junction temperature can be ignored during pulse testing. application circuit example figure 1 shows a typical application circuit using a low-esr electrolytic or ceramic capacitor for c out . figure 1 TCV7102F application circuit example component values (reference value@ v in = 5 v, v out = 3.3 v, ta = 25c) c in : input filter capacitor = 10 f (ceramic capacitor: grm21bb30j106k manufactured by murata manufacturing co., ltd.) c out : output filter capacitor = 10 f (ceramic capacitor: grm21bb30j106k manufactured by murata manufacturing co., ltd.) r fb1 : output voltage setting resistor = 7.5 k r fb2 : output voltage setting resistor = 2.4 k l: inductor = 1.0 h (rlf7030t-1r0n6r4 or slf7055-1r0n5r0-5pf manufactured by tdk-epc corporation, b1047as-1r0n manufactured by toko, inc) c ss is a capacitor for adjusting the soft-start time. c c is a decoupling capacitor of input pin for the control section. (connect it when the circuit oper ation is unstable due to the board layout or a feature of the c in .) examples of component values (for reference only) output voltage setting v out inductance l input capacitance c in output capacitance c out feedback resistor r fb1 feedback resistor r fb2 1.0 v 1.0 h 10 f 30 f 7.5 k 30 k 1.2 v 1.0 h 10 f 20 f 7.5 k 15 k 1.51 v 1.0 h 10 f 20 f 16 k 18 k 1.8 v 1.0 h 10 f 20 f 15 k 12 k 2.5 v 1.0 h 10 f 20 f 5.1 k 2.4 k 3.3 v 1.0 h 10 f 20 f 7.5 k 2.4 k component values need to be adjusted, depending on the TCV7102F?s i/o conditions and the board layout. v out TCV7102F r fb1 r fb2 c out c in v fb pgnd sgnd en ss v in gnd gnd l l x v in1 v in2 c c en c ss TCV7102F 2010-03-23 6 application notes inductor selection the inductance required for inductor l can be calculated as follows: in out losc out in v v if vv l ? ? ? = (1) v in : input voltage (v) v out : output voltage (v) f osc : oscillation frequency = 1400 khz (typ.) i l : inductor ripple current (a) * : generally, i l should be set to approximately 30% of th e maximum output current. since the maximum output current of the TCV7102F is 3.0 a, i l should be 0.9 a or so. the inductor should have a current rating greater than the peak output cu rrent of 3.5 a. if the inductor current rating is exceeded, the inductor becomes saturated, leading to an unstable dc-dc converter operation. when v in = 5 v and v out = 3.3 v, the required inductance can be calculated as follows. be sure to select an appropriate inductor, taking the in put voltage range into account. in out losc out in v v if vv l ? ? ? = v5 v3.3 0.9a 1400khz v3.3v5 ? ? ? = = 0.89 h (2) figure 2 inductor current waveform setting the output voltage a resistive voltage divider is connected as shown in figure 3 to set the output voltage; it is given by equation 3 based on the reference voltage of the error amplifier (0.8 v typ.), which is connected to the feedback pin, v fb . r fb1 should be up to 30 k or so, because an extremely large-value r fb1 incurs a delay due to parasitic capacitance at the v fb pin. it is recommended that resistors with a precision of 1% or higher be used for r fb1 and r fb2 . ? ? ? ? ? ? ? ? +?= fb2 fb1 fb out r r 1vv ? ? ? ? ? ? ? ? +?= fb2 fb1 r r 1v8.0 (3) figure 3 output voltage setting resistors output filter capacitor selection use a low-esr electrolytic or ceramic capacitor as the output filter capacitor. since a capacitor is generally sensitive to temperature, choose one with excellent temperature characteristics. as a rule of thumb, its capacitance should be 20 f or greater for applications. the capacitanc e should be set to an optimal value that meets the system?s ripple voltage requ irement and transien t load response characteristics. the phase margin tends to decrease as the output voltage is getting low. enlarge a capacitance for output flatness when phase margin is insufficient, or the transient load response characteristics cannot be satisfied. since the ceramic capacitor has a very low esr value, it helps reduce the output ripple voltage; however, because the ceramic capacitor provides less phase margin, it should be thoroughly evaluated. l x v fb r fb1 r fb2 v out i l i l osc f 1 t = in out on v v t ?= TCV7102F 2010-03-23 7 soft-start feature the TCV7102F has a soft-start feature. if the ss pin is left open, the soft-start time, t ss , for v out defaults to 1 ms (typ.) internally. the soft-start time can be extended by adding an external capacitor (c ss ) between the ss and sgnd pins. the soft-start time can be calculated as follows: ss ss2 c1.0t ?= (4) t ss2 : soft-start time (in seconds) when an external capacitor is connected between ss and sgnd. c ss : capacitor value ( f) the soft-start feature is activated when the tcv71 02f exits the undervoltage lockout (uvlo) state after power-up and when the voltage at the en pi n has changed from logic low to logic high. overcurrent protection ocp TCV7102F has an overcurrent protection with latch function. when a peak current of l x pin exceeds an i lim =4.5a (typ.), on time of high-sid e switch (internal) is limited. wh en ocp is in operation, and v fb input voltage drops below latch detection voltage v loc =0.3v (typ.) for more than latch detection time t loc =2ms (typ.), TCV7102F will halt the output voltage and this state is latched. when the en pin level changes from high to low, or the input voltage becomes under v uv =2.45v (typ.), releases the latc h. while soft-start feature is in operation, ocp does not operate. figure4 overcurrent operation undervoltage lockout (uvlo) the TCV7102F has undervoltage lockout (uvlo) protection circuitry. the TCV7102F does not provide output voltage (v out ) until the input voltage (v in2 ) has reached v uvr (2.55 v typ.). uvlo has hysteresis of 0.1 v (typ.). after the switch turns on, if v in2 drops below v uv (2.45 v typ.), uvlo s huts off the switch at v out . figure 5 undervoltage lockout operation i lx (peak) v fb v fb = 0.8v (typ.) v loc = 0.3v (typ.) i lim = 4.5a (typ.) overcurrent period t loc = 2ms (typ) output voltage stop soft start v in2 hysteresis: v uv undervoltage lockout detection voltage v uv switching operation stops gnd v out gnd undervoltage lockout recovery voltage v uvr switching operation starts TCV7102F 2010-03-23 8 thermal shutdown (tsd) the TCV7102F provides thermal shut down. when the junction temperature continues to rise and reaches t sd (150c typ.), the TCV7102F goes into thermal shutdown and shuts off the power supply. tsd has a hysteresis of about 15c (typ.). the device is enabled again when the junction temperature has dropped by approximately 15c from the tsd trip point. the devi ce resumes the power supply when the so ft-start circuit is activated upon recovery from tsd state. thermal shutdown is intended to protect the device ag ainst abnormal system conditio ns. it should be ensured that the tsd circuit will not be activated during normal operation of the system. figure 6 thermal shutdown operation usage precautions ? the input voltage, output voltage, output current and temperature condit ions should be considered when selecting capacitors, inductors and resistors. these co mponents should be evalua ted on an actual system prototype for best selection. ? external components such as capacitors, inductors and resistors should be placed as close to the TCV7102F as possible. ? the TCV7102F has an esd diode between the en and v in2 pins. the voltage between these pins should satisfy v en ? v in2 < 0.3 v. ? c in should be connected as close to the pgnd and v in1 pins as possible. operation might become unstable due to board layout. in that case, add a decoupling capacitor (c c ) of 0.1 f to 1 f between the sgnd and v in2 pins. ? the minimum programmable output voltage is 0.8 v (typ .). if the difference betw een the input and output voltages is small, the output voltage might not be regulated accurately and fluctuate significantly. ? when TCV7102F is in operation, a negative voltage is generated since regeneration current flows through the switch pin (l x ). even if the current flows through the low side parasitic diode during the dead time of switching transistor, operation is undisturbed so an external flywheel diode is unnecessa ry. if there is the possibility of an external negative voltage genera tion, add a diode for protection. ? sgnd pin is connected with the back of ic chip and serves as the heat radiation pin. secure the area of a gnd pattern as large as possible fo r greater of heat radiation. ? the overcurrent protection circuits in the product are designed to temp orarily protect product from minor overcurrent of brief du ration. when the overcurrent protective func tion in the product activates, immediately cease application of overcurrent to prod uct. improper usage of product, such as application of current to product exceeding the absolute maximum ratings, could cause the overcurrent protecti on circuit not to operate properly and/or damage product permanently even before the protection circuit starts to operate. ? the thermal shutdown circuits in the product are designed to temporarily protect product from minor overheating of brief duration. when th e overheating protective function in the product activates, immediately correct the overheating situation. im proper usage of product, such as the application of heat to product exceeding the absolute maximum ratings, could cause the overheating protecti on circuit not to operate properly and/or damage product permanently even before the protection circuit starts to operate. soft start tsd detection temperature: t sd gnd switching operation stops recovery from tsd switching operation starts v out 0 t j hysteresis: t sd TCV7102F 2010-03-23 9 typical performance characteristics v in = 5.5 v t j = 25c 0 2 4 6 5 3 1 8 20 0 16 12 4 v in = 5 v v ih(en) v il(en) -50 -25 0 25 50 75 100 125 v in = 3.3 v v ih(en) v il(en) v ih(en) , v il(en) ? t j junction temperature t j (c) en threshold voltage v ih(en) , v il(en) (v) v ih(en) , v il(en) ? t j i ih(en) ? v en en input voltage v en (v) en threshold voltage v ih(en) , v il(en) (v) en input current i ih(en) ( a) 1 2 0 1.5 0.5 1 2 0 1.5 0.5 0 2 4 6 -50 0 25 50 100 125 -25 75 i in ? v in i in ? t j input voltage v in (v) junction temperature t j (c) operating current i in ( a) -50 -25 0 25 50 75 125 100 i in ? t j junction temperature t j (c) operating current i in ( a) 200 400 600 0 v en = v in = 3.3 v v fb = v in -50 -25 0 25 50 75 125 100 junction temperature t j (c) operating current i in ( a) 200 400 800 0 600 v en = v fb = v in t j = 25c 200 400 800 0 600 v en = v in = 5 v v fb = v in TCV7102F 2010-03-23 10 under voltage lockout voltage v uv ,v uvr (v) 4 8 12 20 0 16 v in = 5 v v en = 5 v -50 -25 0 50 75 100 125 25 v en = v in v out = 1.2 v t j = 25c 2.7 2.2 2.4 2.3 2.5 2.6 0 2 1.5 0.5 1 recovery voltage v uvr detection voltage v uv -50 -25 0 25 50 75 100 125 2.6 2.3 2.5 2.4 v en = v in v in = 5 v v out = 1.2 v v en = v in -50 0 25 50 75 100 125 -25 0.8 0.82 0.78 0.79 0.81 i ih(en) ? t j v uv , v uvr ? t j junction temperature t j (c) junction temperature t j (c) en input current i ih(en) ( a) v out ? v in input voltage v in (v) output voltage v out (v) v fb ? t j junction temperature t j (c) v fb input voltage v fb (v) 2 3 4 5 6 0.8 0.82 0.78 v en = v in v out = 1.2 v t j = 25c v fb ? v in input voltage v in (v) v fb input voltage v fb (v) 0.79 0.81 v out ? v in output voltage v out (mv) 2 3 4 5 6 v out = 1.2 v , i out = 10 ma l = 1.0 h , c out = 10 f 2 ta = 25c 0 20 10 -20 -30 -10 30 input voltage v in (v) TCV7102F 2010-03-23 11 v in = 5 v t j = 25c 2 3 4 5 6 v in = 3.3 v i ss ? v in i ss ? t j input voltage v in (v) junction temperature t j (c) external soft-start charge current i ss ( a) external soft-start charge current i ss ( a) i ss ? t j junction temperature t j (c) external soft-start charge current i ss ( a) -12 -10 -8 -6 -4 -2 0 -12 -10 -8 -6 -4 -2 0 -50 -25 0 25 50 75 100 125 -50 -25 0 25 50 75 100 125 -12 -10 -8 -6 -4 -2 0 2 3 4 5 6 t j = 25c v in = 5 v -50 -25 0 25 50 75 100 125 f osc ? v in input voltage v in (v) junction temperature t j (c) oscillation frequency f osc (khz) oscillation frequency f osc (khz) f osc ? t j 1500 1700 1400 1200 1100 1600 1300 1500 1700 1400 1200 1100 1600 1300 TCV7102F 2010-03-23 12 v in = 5 v , v out = 3.3 v l = 1.0 h , c out = 10 f 2 ta = 25c 0 30 -30 20 10 -10 -20 output current i out (a) output current i out (a) output voltage v out (mv) 0 30 10 -20 -30 v in = 5 v , v out = 1.2 v l = 1.0 h , c out = 10 f 2 ta = 25c -10 20 0 1 2 3 v out ? i out v out ? i out output voltage v out (mv) 0 1 2 3 v in = 3.3 v , v out = 1.2v l = 1.0 h , c out = 10 f 2 ta = 25c ? i out output current i out (a) efficiency (%) 50 90 60 100 80 70 0 1 2 3 v in = 5 v , v out = 3.3v l = 1.0 h , c out = 10 f 2 ta = 25c ? i out output current i out (a) efficiency (%) 50 90 60 100 80 70 0 1 2 3 v in = 3.3v , v out = 1.2 v l = 1.0 h , c out = 10 f 2 ta = 25c 0 30 -30 20 10 -10 -20 output current i out (a) v out ? i out output voltage v out (mv) 0 1 2 3 v in = 5 v , v out = 1.2v l = 1.0 h , c out = 10 f 2 ta = 25c ? i out output current i out (a) efficiency (%) 50 90 60 100 80 70 0 1 2 3 TCV7102F 2010-03-23 13 overcurrent protection 0 1.5 1 2 0.5 overcurrent protection output current i out (a) output voltage v out (v) 0 3 2 4 v in = 3.8v , v out = 3.3 v l = 1 h , c out = 10 f 2 ta = 25c 1 output voltage v out (v) 3 4 6 5 overcurrent protection output voltage v out (v) 0 3 2 4 v in = 5.5 v , v out = 3.3 v l = 1 h , c out = 10 f 2 ta = 25c 1 v in = 2.7v , v out = 1.2v l = 1 h , c out = 10 f 2 ta = 25c overcurrent protection 0 1.5 1 2 0.5 output voltage v out (v) v in = 5.5v , v out = 1.2v l = 1 h , c out = 10 f 2 ta = 25c 2 output current i out (a) 3 4 6 5 2 output current i out (a) 3 4 6 5 2 output current i out (a) 3 4 6 5 2 TCV7102F 2010-03-23 14 startup characteristics (internal soft-start time) startup characteristics (c ss = 0.1 f) 200 s/div 2 ms/div load response characteristics load response characteristics 100 s/div 100 s/div v in = 5 v v out = 3.3 v ta = 25c l = 1 h c out = 10 f 2 output voltage v out (1v/div) output current i out : (10ma 3a 10ma) output voltage v out (200 mv/div) v in = 5 v , v out = 1.2 v , ta = 25c l = 1 h , c out = 10 f 2 en voltage: v en = l h en voltage: v en = l h output current i out : (10ma 3a 10ma) output voltage v out (100 mv/div) v in = 5 v v out = 3.3 v ta = 25c l = 1 h c out = 10 f 2 output voltage v out (1v/div) v in = 5 v , v out = 3.3 v , ta = 25c l = 1 h , c out = 10 f 2 TCV7102F 2010-03-23 15 package dimensions hson8-p-0505-1.27 unit: mm weight: 0.068 g (typ.) TCV7102F 2010-03-23 16 restrictions on product use ? toshiba corporation, and its subsidiaries and affiliates (collect ively ?toshiba?), reserve the right to make changes to the in formation in this document, and related hardware, software and systems (collectively ?product?) without notice. ? this document and any information herein may not be reproduced without prior written permission from toshiba. even with toshiba?s written permission, reproduction is permissibl e only if reproduction is without alteration/omission. ? though toshiba works continually to improve product?s quality and reliability, product can malfunction or fail. customers are responsible for complying with safety standards and for providi ng adequate designs and safeguards for their hardware, software and systems which minimize risk and avoid situat ions in which a malfunction or failure of product could cause loss of human life, b odily injury or damage to property, including data loss or corruption. before customers use the product, create designs including the product, or incorporate the product into their own applications, customers mu st also refer to and comply with (a) the latest versions of all relevant toshiba information, including wi thout limitation, this document, the specif ications, the data sheets and application notes for product and the precautions and conditions set forth in the ?tos hiba semiconductor reliability handbook? and (b) the instructio ns for the application with which the product will be used with or for. customers are solely responsible for all aspects of their own product design or applications, including but not limit ed to (a) determining the appropriateness of the use of this product in such des ign or applications; (b) evaluating and determining the applicability of any information contained in this document, or in charts, dia grams, programs, algorithms, sample application circ uits, or any other referenced documents; and (c) validating all operating paramete rs for such designs and applications. toshiba assumes no liability for customers? product design or applications. ? product is intended for use in general electronics applications (e.g., computers, personal equipment, office equipment, measur ing equipment, industrial robots and home elec tronics appliances) or for specif ic applications as expressly stated in this document . product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality a nd/or reliability and/or a malfunction or failure of which may cause loss of human life, bod ily injury, serious property damage or se rious public impact (?unintended use?). unintended use includes, without limit ation, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automo biles, trains, ships and other transportation, traffic signalin g equipment, equipment used to control combusti ons or explosions, safety devices, elevators and escala tors, devices related to el ectric power, and equipment used in finance-relate d fields. do not use product for unintended use unless specifically permitted in thi s document. ? do not disassemble, analyze, reverse-engineer, alter, modify, translate or copy product, whether in whole or in part. ? product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable laws or regulations. ? the information contained herein is presented only as guidance for product use. no re sponsibility is assumed by toshiba for an y infringement of patents or any other intellectual property rights of third parties that may result from the use of product. no license to any intellectual property right is granted by this documen t, whether express or implied, by estoppel or otherwise. ? absent a written signed agreement, except as provid ed in the relevant terms and conditions of sale for product, and to the maximum extent allowable by law, toshiba (1) assumes no liability whatsoever, including without limitation, indirect, co nsequential, special, or incidental damages or loss, including without limitation, loss of profit s, loss of opportunities, business interruption and loss of data, and (2) disclaims any and all express or implied warranties and conditions related to sale, use of product, or information, including warranties or conditions of merchantability, fitness for a particular purpose, accuracy of information, or noninfringement. ? do not use or otherwise make available product or related soft ware or technology for any milit ary purposes, including without limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile technolog y products (mass destruction weapons). product and related software and technology may be controlled under the japanese foreign exchange and foreign trade law and the u.s. export administration regulations. export and re-export of product or related softw are or technology are strictly prohibited except in comp liance with all applicable export laws and regulations. ? please contact your toshiba sales representative for details as to environmental matters such as the rohs compatibility of pro duct. please use product in compliance with all ap plicable laws and regulations that regulate the inclusion or use of controlled subs tances, including without limitation, the eu rohs directive. toshiba a ssumes no liability for damages or losses occurring as a result o f noncompliance with applicable laws and regulations. |
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