 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| n1010 sy 20101015-s00001 no.a1864-1/23 specifications of any and all sanyo semiconductor co.,l td. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' sproductsor equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. LV8740V overview the LV8740V is a 2-channel h-bridge driver ic that can switc h a stepping motor driver, whic h is capable of micro-step drive and supports w 1-2 phase excitation, and two channels of a brushed motor driver, which supports forward, reverse, brake, and standby of a motor. it is ideally suited for dr iving brushed dc motors and stepping motors used in office equipment and amusement applications. features ? single-channel pwm current control stepping motor driver (selectable with dc motor driver channel 2) incorporated. ? on resistance (upper side : 0.3 ; lower side : 0.2 ; total of upper and lower : 0.5 ; ta = 25 c, i o = 2.5a) ? excitation mode can be set to 2-phase, 1-2 phase full torque, 1-2 phase or w1-2 phase ? excitation step proceeds only by step signal input ? motor holding current selectable in four steps ? bicdmos process ic ? output short-circuit protection circuit (selectable from latch-type or auto reset-type) incorporated ? unusual condition warning output pins ? supports control power supply specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit supply voltage 1 v m max 38 v output peak current i o peak tw 10ms, duty 20%, each 1ch 3.0 a output current i o max each 1ch 2.5 a logic input voltage v in -0.3 to +6.0 v moni/emo input voltage v mon i/v emo -0.3 to +6.0 v allowable power dissipation pd max * 3.45 w operating temperature topr -30 to +85 c storage temperature tstg -55 to +150 c * specified circuit board : 90 90 1.6mm 3 : 2-layer glass epoxy printed circuit board with back mounting. bi-cmos lsi pwm current control stepping motor driver orderin g numbe r : ena1864 www.datasheet.co.kr datasheet pdf - http://www..net/
LV8740V no.a1864-2/23 recommended operating conditions at ta = 25 q c parameter symbol conditions ratings unit supply voltage range v m 9 to 35 v logic input voltage v in 0 to 5.5 v vref input voltage range vref 0 to 3.0 v electrical characteristics at ta = 25c, v m = 24v, vref = 1.5v ratings parameter symbol conditions min typ max unit standby mode current drain 1 imstn st = ?l? 180 250 p a current drain im st = ?h?, oe = ?l?, no load 3 5 ma vreg5 output voltage vreg5 i o =-1ma 4.7 5.0 5.3 v thermal shutdown temperature tsd design guarantee 150 180 210 q c thermal hysteresis width ' tsd design guarantee 40 q c motor driver ronu i o = 2.5a, upper-side on resistance 0.3 0.4 : output on-resistance rond i o = 2.5a, lower-side on resistance 0.2 0.25 : output leakage current i o leak 50 p a diode forward voltage vd id = -2.5a 1.1 1.3 v i st l v in = 0.8v 3 8 15 p a st pin input current i st h v in = 5v 48 80 112 p a i in l v in = 0.8v 3 8 15 p a logic pin input current (other st pin) i in h v in = 5v 30 50 70 p a logic high-level input voltage v in h 2.0 v logic low-level input voltage v in l 0.8 v vtdac0_w step 0(when initialized : channel 1 comparator level) 0.290 0.300 0.310 v vtdac1_w step 1 (initial state+1) 0.260 0.270 0.280 v vtdac2_w step 2 (initial state+2) 0.200 0.210 0.220 v w1-2-phase drive vtdac3_w step 3 (initial state+3) 0.095 0.105 0.115 v vtdac0_h step 0 (when initialized: channel 1 comparator level) 0.290 0.300 0.310 v 1-2 phase drive vtdac2_h step 2 (initial state+1) 0.200 0.210 0.220 v vtdac0_hf step 0 (initial state, channel 1 comparator level) 0.290 0.300 0.310 v 1-2 phase (full torque) drive vtdac2_hf step 2 (initial state+1) 0.290 0.300 0.310 v current selection comparator threshold voltage (current step switch) 2 phase drive vtdac2_f step 2 0.290 0.300 0.310 v vtatt00 att1=l, att2 =l 0.290 0.300 0.310 v vtatt01 att1=h, att2 =l 0.190 0.200 0.210 v vtatt10 att1=l, att2 =h 0.140 0.150 0.160 v current selection comparator threshold voltage (current attenuation rate switch) vtatt11 att1=h, att2 =h 0.090 0.100 0.110 v chopping frequency fchop rchop = 20k : 45 62.5 75 khz vref pin input current ir ef vref = 1.5v -0.5 p a moni pin saturation voltage vsatmon i moni =1ma 50 100 mv charge pump vg output voltage vg 28 28.7 29.8 v rise time tong vg = 0.1 p f 0.5 ms oscillator frequency fosc rchop = 20k : 90 125 150 khz output short-circuit protection emo pin saturation voltage vsatemo iemo = 1ma 50 100 mv cem pin charge current icem vcem=0v 7 10 13 p a cem pin threshold voltage vtcem 0.8 1.0 1.2 v www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-3/23 package dimensions unit : mm (typ) 3285a pin assignment 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 out1a vg out1a vm pgnd1 nc cp1 nc vreg5 vm1 att2 vm1 att1 rf1 emo rf1 cem out1b emm out1b rchop out2a moni out2a rst rf2 stp/dc22 rf2 fr/dc21 vm2 md2/dc12 vm2 nc md1/dc11 nc dm pgnd2 oe out2b st out2b vref top view LV8740V cp2 gnd sanyo : ssop44j(275mil) 15.0 0.2 0.65 0.22 0.1 5.6 0.5 7.6 (0.68) (7.8) (3.6) (1.5) 1.7 max top view side view side view bottom view 12 44 www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-4/23 substrate specifications (substrate recommended for operation of LV8740V) size : 90mm 90mm 1.6mm material : glass epoxy copper wiring density : l1 = 85% / l2 = 90% l1 : copper wiring pattern diagram l2 : copper wiring pattern diagram cautions 1) the data for the case with the exposed die-pad substrate mounted shows the values when 90% or more of the exposed die-pad is wet. 2) for the set design, employ the derating design with sufficient margin. stresses to be derated include the voltage, current, junctio n temperature, power loss, and mechanical stresses such as vibration, impact, and tension. accordingly, the design must ensure these stresses to be as low or small as possible. the guideline for ordinary derating is shown below : (1)maximum value 80% or less for the voltage rating (2)maximum value 80% or less for the current rating (3)maximum value 80% or less for the temperature rating 3) after the set design, be sure to verify the design with the actual product. confirm the solder joint state and verify also the re liability of solder joint for the exposed die-pad, etc. any void or deterioration, if observed in the solder jo int of these parts, causes deteriorated thermal conduction, possibly resulting in thermal destruction of ic. pd max ta 0 1.0 3.0 6.0 4.0 3.80 2.86 1.98 ? 20 40 60 80 20 0 100 2.0 5.0 3.45 2.65 5.50 1.79 1.38 ambient temperature, ta -c allowable power dissipation, pd max -w two-layer circuit board 1 *1 two-layer circuit board 2 *2 *1 with components mounted on the exposed die-pad board *2 with no components mounted on the exposed die-pad board four-layer circuit board 1 *1 four-layer circuit board 2 *2 www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-5/23 block diagram att1 att2 emm dm cem emo oe rst stp/ dc22 fr/ dc21 md2/ dc12 md1/ dc11 rchop st tsd lvs vref sgnd vreg5 moni vm pgnd cp1 cp2 vg rf1 out1a out1b out2a out2b rf2 vm2 vm1 + - + - + - + - output preamplifier stage output control logic current selection (w1-2/1-2/ 1-2full/2) charge pump regulator oscillation circuit attenuator (4 levels selectable) output preamplifier stage output preamplifier stage output preamplifier stage current selection (w1-2/1-2/ 1-2full/2) www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-6/23 pin functions pin no. pin name description 1 vg charge pump capacitor connection pin 2 vm motor power supply connection pin 3 cp2 charge pump capacitor connection pin 4 cp1 charge pump capacitor connection pin 5 vreg5 internal power supply capacitor connection pin 6 att2 motor holding current switching pin 7 att1 motor holding current switching pin 8 emo output short-circuit state warning output pin 9 cem pin to connect the output short-circuit state detection time setting capacitor 10 emm overcurrent mode switching pin 11 rchop chopping frequency setting resistor connection pin 12 moni position detection monitor pin 13 rst reset signal input pin 14 stp/dc22 stm step signal input pin/dcm2 output control input pin 15 fr/dc21 stm forward/reverse rotation sig nal input pin/dcm2 output control input pin 16 md2/dc12 stm excitation mode switch ing pin/dcm1 output control input pin 17 md1/dc11 stm excitation mode switch ing pin/dcm1 output control input pin 18 dm drive mode (stm/dcm) switching pin 19 oe output enable signal input pin 20 st chip enable pin 21 vref constant current control reference voltage input pin 22 sgnd signal system ground 23, 24 out2b channel 2 outb output pin 25 pgnd2 channel 2 power system ground 28, 29 vm2 channel 2 motor power supply connection pin 30, 31 rf2 channel 2 current-sense resistor connection pin 32, 33 out2a channel 2 outa output pin 34, 35 out1b channel 1 outb output pin 36, 37 rf1 channel 1 current-sense resistor connection pin 38, 39 vm1 channel 1 motor power supply pin 42 pgnd1 channel 1 power system ground 43, 44 out1a channel 1 outa output pin 26, 27 40, 41 nc no connection (no internal connection to the ic) www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-7/23 equivalent circuits pin no. pin equivalent circuit 6 7 10 13 14 15 16 17 18 19 att2 att1 emm rst stp/dc22 fr/dc21 md2/dc12 md1/dc11 dm oe vreg5 gnd 20 st gnd vreg5 23, 24 25 28, 29 30, 31 32, 33 34, 35 36, 37 38, 39 42 43, 44 out2b pgnd2 vm2 rf2 out2a out1b rf1 vm1 pgnd1 out1a 28 38 31 42 37 43 44 34 35 gnd 30 36 25 32 33 23 24 29 39 continued on next page. www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-8/23 continued from preceding page. pin no. pin equivalent circuit 1 2 3 4 vg vm cp2 cp1 gnd vreg5 4 2 3 1 21 vref gnd vreg5 5 vreg5 gnd vm 8 12 emo moni vreg5 gnd continued on next page. www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-9/23 continued from preceding page. pin no. pin equivalent circuit 9 cem gnd vreg5 11 rchop gnd vreg5 www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-10/23 input pin function (1) chip enable function this ic is switched between standby and operating mode by setting the st pin. in standby mode, the ic is set to power-save mode and all logic is reset. in addition, the internal regulator circuit and charge pump circuit do not operate in standby mode. st mode internal regulator charge pump low or open standby mode standby standby high operating mode operating operating (2) drive mode switching pin function the ic drive mode is switched by setting the dm pin. in stm mode, stepping motor channel 1 can be controlled by the clk-in input. in dcm mode, dc motor channel 2 or stepping motor channel 1 can be controlled by parallel input. stepping motor control using parallel input is 2-phase or 1-2 phase full torque. dm drive mode application low or open stm mode stepping motor channel 1 (clk-in) high dcm mode dc motor channel 2 or stepping motor channel 1 (parallel) stm mode (dm = low or open) (1) step pin function the excitation step progresses by inputting the step signal to the stp pin. input st stp operating mode low * standby mode high excitation step proceeds high excitation step is kept (2) excitation mode setting function the excitation mode of the stepping motor can be set as follows by setting the md1 pin and the md2 pin. initial position md1 md2 excitation mode channel 1 channel 2 low low 2 phase excitation 100% -100% high low 1-2 phase excitation (full torque) 100% 0% low high 1-2 phase excitation 100% 0% high high w1-2 phase excitation 100% 0% this is the initial position of each excitation mode in th e initial state after power-on and when the counter is reset. (3) positional detection monitor function positional detection monitor moni pin is an open drain outp ut. when the excitation position is an initial position, the moni output becomes on. please refer to (example of current wave type in each excitation mode). (4)constant-current control re ference voltage setting function this ic does the pwm fixed current chopping control of the current of the motor by the automatic operation in setting the output current. the output current in which a fixed current is controlled by the following calculation type is set by the resistance connected between the voltage and rf-gnd being input to the vref pin. i out =(vref/5)/rf resistance *the above-mentioned, set value is an output current of each excitation mode at 100% time. vref input voltage attenuation function att1 att2 current setting reference voltage attenuation ratio low low 100% high low 66.7% low high 50% high high 33.3% www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-11/23 the output ammeter calculation type when the attenuation function of the vref input voltage is used is as follows. iout=(vref/5) u (attenuation ratio)/rf resistance (example) when vref = 1.5v, setting current ratio = 100% [(att1, att2) = (low, low)] and rf resistor = 0.2 : , the following output current flows : i out = 1.5v/5 u 100%/0.2 : =1.5a under such a condition, when assuming (att1, att2) = (high, high). i out = 1.5a u 33.3%=500ma the power saving can be done, and attenuating the outp ut current when the moto r energizes maintenance. (5) reset function rst operating mode low normal operation high reset state when the rst pin is set high, the output excitation position is forced to the initial state, and the moni output enters on a state. when rst is set low after that, the ex citation position proceeds to the next step input. (6) output enable function oe operating mode high output off low output on rst reset 0% step moni 1ch output 2ch output initial state oe power save mode 0% step moni 1ch output 2ch output output is high-impedance www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-12/23 when the oe pin is set high, the output is forced off and goes to high impedance. however, the internal logic circuits are operating, so the excitation position pro ceeds when the step signal is input to the stp pin. therefore, when oe is returned to low, th e output level conforms to the excitation position proceeded by the step input. (7) forward/reverse switching function fr operating mode low clockwise (cw) high counter-clockwise (ccw) the internal d/a converter proceeds by one bit at the rising edge of the input step pulse. in addition, cw and ccw mode are switched by setting the fr pin. in cw mode, the channel 2 current phase is delayed by 90 relative to the channel 1 current. in ccw mode, the channel 2 current phase is adva nced by 90 relative to the channel 1 current. (8) setting the chopping frequency for constant-current control, chopping operation is made with the frequency determined by the external resistor (connected to the rchop pin). the chopping frequency to be set with the resistance connected to the rcho p pin (pin 11) is as shown below. fr cw mode cw mode ccw mode step excitation position 1ch output 2ch output (1) (2) (3) (4) (5) (6) (5) (4) (3) (4) (5) pca01883 0 20 40 60 80 100 030 20 40 10 50 60 rchop ? k chopping frequency settings (reference data) www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-13/23 (9) output current vector locus (o ne step is normalized to 90 degrees) setting current ration in each excitation mode w1-2 phase (%) 1-2 phase (%) 1-2 phase full torque (%) 2-phase (%) step channel 1 channel 2 channel 1 channel 2 channel 1 channel 2 channel 1 channel 2 t 0 0 100 0 100 0 100 t 1 35 90 t 2 70 70 70 70 100 100 100 100 t 3 90 35 t 4 100 0 100 0 100 0 0.0 100 0.0 20 60 100 40 80 20 40 60 80 channel 2 current ratio (%) channel 1 phase current ratio (%) www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-14/23 (10) typical current waveform in each excitation mode 2-phase excitation (cw mode) 1-2 phase excitation full torque (cw mode) step moni l1 (%) (%) -100 -100 100 100 0 0 i2 step moni i1 (%) (%) -100 -100 100 100 0 0 i2 www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-15/23 1-2 phase excitation (cw mode) w1-2 phase excitation (cw mode) step moni i1 (%) -100 -100 100 (%) 100 0 0 i2 step moni i1 (%) -100 -100 100 (%) 100 0 0 i2 www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-16/23 fast slow charge fast slow charge current mode fchop coil current step set current set current forced charge section forced charge section fast slow fast slow charge current mode fchop coil current step set current set current forced charge section charge (11) current control operation specification (sine wave increasing direction) (sine wave decreasing direction) in each current mode, the operation sequence is as described below : x at rise of chopping frequency, the charge mode begins.(the section in which the charge mode is forced regardless of the magnitude of the coil current (icoil) and set current (iref) exists for 1/16 of one chopping cycle.) x the coil current (icoil) and set current (iref) ar e compared in this forced charge section. when (icoil LV8740V no.a1864-18/23 (5) typical current waveform in each excitation mode when stepping motor parallel input control 2-phase excitation (cw mode) 1-2 phase excitation full torque (cw mode) dc11 dc12 dc21 dc22 l out 1 l out 2 (%) -100 -100 100 (%) 100 0 0 dc11 dc12 dc21 dc22 l1 l2 -100 -100 0 0 (%) 100 (%) 100 www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-19/23 output short-circuit protection circuit this output short protection circuit that makes the output a standby mode to prevent the thing that ic destroys when the output is short-circuited by a voltage short and the earth fa ult, etc. , and turns on the warning output to ic is built into. (1) output short-circuit protec tion operation changeover function changeover to the output short-circuit protection of ic is made by the setting of emm pin. emm state low or open latch method high auto reset method (2) latch method in the latch mode, the output is turned off when the output current exceeds the detection current, and the state is maintained. the output short protection circuit starts operating so that ic may detect a short output. when the short-circuit is the consecutive between in ternal timers ( (3) automatic return method in the automatic return mode, the output wave type chan ges into the switching wave type when the output current exceeds the detection current. the short-circuit detection circuit operates when a short output is detected as well as the latch method. the output is switched to the standby mode when the operation of the sh ort-circuit detection circuit exceeds the following time (tcem) of the timer latch, and it returns to the turnin g on mode again after 2ms(typ). at this time, the above-mentioned switching mode is repeated when is still in the overcurrent mode until the overcurrent mode is made clear. (4) abnormal state warning output pin when ic operates the protection circuit detecting abnormal ity, the emo pin has been installed as a terminal that outputs this abnormality to cpu side. this pin is an open drain output, and if abnormality is detected, the emo output becomes (emo="l") of on. emo pin enters on a state in the following. x when a voltage short, the earth fault or the load is s hort-circuited and the output sh ort-circuit protection circuit operates, the output pin x when the junction temperature of ic rises, and the overheating protection circuit operates h bridge output status cem voltage connect detection status internal counter output on output off output on standby status suresshu voltage release conn- ection connection first counter biginning first counter biginning first counter interruption first counter end second counter biginning second counter end www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-20/23 (5) timer latch time (tcem) the time to output off when an output short-circuit occu rs can be set by the capacitor connected between the cem pin and gnd. the capacitor (ccem) value can be determined as follows : timer latch : tcem tcem | c u v/i [sec] v : threshold voltage of comparator typ 1v i : cem charge current typ 10 p a charge pump circuit when the st pin is set high, the charge pump circuit operat es and the vg pin voltage is boosted from the vm voltage to the vm + vreg5 voltage. i will recomme nd the drive of the motor to put the time of tong or more after the st pin is made "h", and to begin because i cannot control the outp ut if there is no pressure voltage of the voltage of the vg pin enough. vg pin voltage schematic view tong st vm+vreg5 vm+4v vm vg pin voltage www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-21/23 application circuits x stepping motor driver application circuit example(dm=?l?) each constant setting type in the example of the above-mentioned circuit is as follows. when setting current ratio = 100%, vref = 1.5v, the following output current flows : i out = vref/5/rf resistance = 1.5v/5 u 100%/0.2 : =1.5a chopping frequency setting. 62.5khz (rchop=20k : ) time of timer latch when output is short-circuited tcem = ccem * vtcem/icem = 100pf * 1v/10 p a = 10 p s cp1 vreg5 att2 att1 emo cem emm rchop moni rst stp/dc22 fr/dc21 md2/dc12 dm oe st vref gnd md1/dc11 cp2 out1a out1a nc nc vm1 vm1 rf1 rf1 out1b out1b out2a out2a rf2 rf2 vm2 nc nc pgnd2 out2b out2b vm2 pgnd1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 LV8740V +- 24v m 1.5v vg vm 100pf + - clock input logic input position detection monitor connect status detection monitor www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V no.a1864-22/23 x dc motor driver application circuit example each constant setting type in the example of the above-mentioned circuit is as follows. when setting current limit = 100%, vref = 1.5v, the following output current flows : ilimit = vref/5/rf resistance = 1.5v/5 u 100%/0.2 : =1.5a chopping frequency setting. 62.5khz (rchop=20k : ) time of timer latch when output is short-circuited tcem = ccem * vtcem/icem = 100pf * 1v/10 p a = 10 p s cp1 vreg5 att2 att1 emo cem emm rchop moni rst stp/dc22 fr/dc21 md2/dc12 dm oe st vref gnd md1/dc11 cp2 out1a out1a nc nc vm1 vm1 rf1 rf1 out1b out1b out2a out2a rf2 rf2 vm2 nc nc pgnd2 out2b out2b vm2 pgnd1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 LV8740V +- 24v 1.5v vg vm 100pf + - m m logic input connect status detection monitor www.datasheet.co.kr datasheet pdf - http://www..net/ LV8740V ps no.a1864-23/23 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities conc erned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. this catalog provides information as of novemver, 201 0. specifications and inform ation herein are subject to change without notice. www.datasheet.co.kr datasheet pdf - http://www..net/ |
Price & Availability of LV8740V
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |