 |
|
| 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: |
| 2010.12.24 mpd ty321 s data sheet 1 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it dc - dc converter data sheet mpd ty321 s 1. features ? up to 4 a output current, very small & low profile non - isolated pol. ? wide adjustable output voltage range by connecting external resistance (0.8v to 3.3 v). ? wide operating temperature - 40 o c to +85 o c . ? on/off function, output v oltage sense function, over - current function are built in. 2. appearance, dimensions flux may expand on pcb and attach onto the area where the marking is printed with laser. in the case the marking become darker in color since flux is unreflecting. it may be a little hard to read, however, the marking is not deleated nor blurred. p =2.54 0.2mm tolerance is not accum u lated . marking (1) p in no.1 marking / mfg id (2) parts no. f (3) lot no. ? 1,2,3,9,o,n,d p p p p p 15.40.2 p p p p p 15.80.2 2.9max. m (1.55) (1.55)
2010.12.24 mpd ty321 s data sheet 2 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 1 control circuit vout gnd gnd vin var on/off 4,5 3 2 12 9,10,11 ft pin number and function pin no. symbol function 1 var vout adjustment 2 ft o utput trim 3,9,10,11 gnd gnd 4,5 vout o utput 6 +sense output +sense 7,8 vin input voltage 12 on/off remote on/off 3. block diagram 4. environmental conditions 4 .1 operating temperature range - 40c ~ +85c 4 .2 storage temperature range - 4 0 c ~ + 85 c 4 .3 operating humi dity range 20% ~ 85% no water condenses in any cases. 4 .4 storage humidity range 10% ~ 9 0 % no water condenses in any cases. 5. absolute maximum rating item unit absolute rating remarks input voltage range v - 0.3v no voltage, no matter how instantaneous, shall be applied beyond the absolute maximum voltage rating to this product. if you apply any voltage over this limit the product characteristics will deteriorate or the product itself w ill be destroyed. even though it may continue operating for a while after the over - voltage event, its life will likely be shortened significantly. reliability and life of the module may degrade similarly if the maximum operating voltage rating is continuou sly exceeded. this product is designed to operate within the maximum operating voltage rating specification. 2010.12.24 mpd ty321 s data sheet 3 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 6 . characteristics 6. 1 electrical characteristics (ta=25 o c ) item condition value unit symbol min. typ. max. input voltage range vin 4.5 5.0 5.5 v uvlo threshold uvlo - 4.3 - v output v oltage adjustable range v out 0.8 - 3.3 v output voltage tolerance vo tol vin=4.5 5.5v iout=0 4a vout=0.8 0.9v ft=open - 2.0 - +2.0 %vo vout=0.9 1.8 v ft=short - 1.5 - +1.5 vout=1.8 3.3 v ft=sho rt - 2.0 - +2.0 output current iout see the thermal derating curve in section 6 .2. 0 - 4 a ripple voltage v rpl vin = 4.5 5.5 v, iout= 0 4 a bw= 20 mhz vout=0.8 1.2v - 15 30 mv(pp) vout=1.2 3.3v - 25 50 efficiency eff vin = 5.0 v, iout= 4 a vout= 1.2 v - 85 - % vout= 2.5 v - 91 - vout= 3.3 v - 93 - operating frequency frq - 6 00 - khz on/off pin high voltage vih on/off pin is pulled up to vin inside of the dc - dc converter. if on/off pin is left open, the dc - dc converter shall be on. this pin will be pu lled down to gnd inside the dc - dc converter when uvlo events occur. please do not connect this pin to power supply with low impedance line, so as not to damage the converter. on/off pin low voltage vil if on/off pin is connected to gnd, the dc - dc converte r shall be off . off 0 - 0. 3 v short circuit protection scp if output is shorted to gnd , dc - dc converter shall be operated in a hiccup mode. after the short circuit event has cleared , the output is automatically brought back into regulation. - 6.5 - a additional output capacitor cout when input voltage is ideal voltage source 47 - 1000 ? f rising overshoot vover - - +10 % output delay td output voltage 0 - 10% (remote on) 0.1 - 8 msec output rise time tr output voltage 10 - 90% 1 - 10 msec caution the above electrical characteristics are guaranteed with the condition that the impedance of the input voltage source is sufficiently low as shown in section 9 . connecting an input inductance or using an input power supply with output inductance m ay cause an unstable operation of this device. please check the proper operation of this device with the peripheral circuits on your system. it is strongly recommended that on/off terminal should be used when you turn on/off this product. characteristics m ay be affected by turning input voltage on/off. please check product operation on your application with turning input voltage on/off. 2010.12.24 mpd ty321 s data sheet 4 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 6 . 2 thermal derating the above derating limits apply to this product soldered directly to 101.6*180mm*1.6mm pcb (double - sided, with 70um copper). any adjacent parts of high temperature may cause overheating. for reliable operation, please ensure that the fet temperature of this product is maintained below 120c and the indu ctor temperature is below 106c. fet measure point coil measure point mpdTY321S (vin=4.5 ? 0 1 2 3 4 5 20 30 40 50 60 70 80 90 ta[ iout 0.2m/s 0m/s m 2010.12.24 mpd ty321 s data sheet 5 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 7 . operation in information 7 . 1 output voltage adjustment the output voltage can be adjusted ranging from 0.8v to 3.3 v by connecting resistors between var - pin(1pin) to gnd - pin. the following equation gives the required external - resistor value to adjust the output voltage to voadj. it is strictly recommended to evaluate the characteristics of dc - dc converter at your board conditions. internal circuit 2010.12.24 mpd ty321 s data sheet 6 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it on/off control operation wh en on/off - pin( 1 2 pin) is left open output voltage =on when on/off - pin( 1 2 pin) is connected to gnd output voltage=off on/off pin of mpdTY321S can be connected each other. the maximum number is up to 20pcs. 7 . 3 . parallel operation. thi s product is incapable of parallel operation 7 . 4 . output voltage sensing by connecting sense - pin to the load, output voltage drop in wiring shall be compensated. please do not connect sense - pin to the output of lc filter that is set to the vout line. when using this way, this product will not operate properly. caution please connect sense - pin to vout - pin nearby the product, if sense function is not used. 7 . 5 . external output bias condition external bias voltage level. less than voadj external bias current level less than dc7a external output bias measuremen t condition mpd ty321 s gnd vout sense load mpd ty321 s gnd vout sense load gnd on/off mpdty321 s or example < caution> on/off pin is pulled up inside of the dc - dc converter, so voltage appears up to vin at on/off pin. on/off pin will be pulled down to gnd inside the dc - dc converter when uvlo events occur. please do not connect this pin to power supply, so as not to damage the converter. external bias voltage shall be measured when sw left open. extern al bias current shall be measured when sw left short. v v a sw external bias i 2010.12.24 mpd ty321 s data sheet 7 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 7 . 6 . input external capacitor it is recommended to connect a low - impedance electrolytic capacitor of 22 f or more at vin terminal. smaller input capacitor may leads to an unstable operation of this product caused by i nput voltage fluctuation. please check the proper operation of it on your product when smaller input capacitor is used. using ceramic capacitors as input capacitor may cause an increase of output voltage, because input ripple current flows through the e xternal input capacitor and wiring resistance. this phenomenon is affected by the position of external capacitors, the value of external capacitors and voltage difference between vin and vout. using low - impedance electrolytic capacitor will ease this prob lem. please check the proper operation of it on your product when ceramic input capacitor is used. 7 . 7 . output external capacitor ceramic capacitors are recommended as output external capacitor. using ceramic capacitors, small output v ariation and small ripple voltage are realized. output capacitor should be within 47 f to 1 000f. output capacitor shall be placed near the output terminal. when using plural capacitors, please make sure to place a capacitor of at least 47 f near the output terminal, and place other capacitors near the load. when using lc output filter, please make sure to place a capacitor of at least 47 f near the output terminal. 8 . reliability 8. 1 humidity according to jis - c - 0022. 40 2c, 90 to 95%rh, 100 hours. leave for 4 hours at room temperature. no damage in appearance and no deviation from electrical characteristics (section 6.1. ). 8 .2 temperature cycles repeat cycle 5 times. leave 2 hours at room temp. no damage in appearance and no deviation from electrical characteristics (section 6.1. ). step condition time 1 - 40 c 5 for 5 1 seconds, and pulled up completely. the solder will a - dhere to over three - quarter of the terminal. mpd ty321 s cin vin vout wiring resistance ripple current rw rwirpl appears as additional output ripple volta ge . 2010.12.24 mpd ty321 s data sheet 8 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 9. test circuit in the following test circuit, the initial values under item 6.1. should be met. 9.1. gen eral measure circuit it is strongly recommended that on/off terminal should be used when you turn on/off this product. characteristics may be affected by turning input voltage on/off. please check product operation on your applicat ion with turning input voltage on/off. 9.2. ripple voltage measurement circuit 2 f.t 1 rvar c1 vout 7,8 3,9,10,11 var 4,5 mpdTY321S rl on/off 12 vin 6 sense c2 c1 ? ceramic capacitor c 2 ? ceramic capacitor please make sure to place c1 and c 2 nearby input and output ter minal of dc - dc converter. dc - dc converter oscilloscope bw ? ? 2010.12.24 mpd ty321 s data sheet 9 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 1 0 . packaging specification 1 0 .1. tray dimensions dc - dc converter are put the trays. (see fig.1) fig.1 pin no.1 2010.12.24 mpd ty321 s data sheet 10 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 1 0 .2. contained pieces of products per corrugated box. maximum contained products pieces 600pcs./corrugated box further plural sheets of corrugated cardboard are placed on the top of the dummy tray according to number of contained trays in order to full up the space in a corrugated box. 1 0 .3. packaging form trays with products are lidded and packed in a corrugated box. (see fig.2) 1 1 . production factory komatsu murata mfg.co., ltd. kanazu murata mfg. co. , ltd. wakura murata mfg. co., ltd. lebel dimension [unit : mm]of corrugated box is reference only. murata products 330 68 155 corrugated box dummy tray tray containning products corrugated cardboard corrugated cardboard 10 tray max. 2010.12.24 mpd ty321 s data sheet 11 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 12 . typical characteristics data 12 . 1 load transient response vin=5.0v, vo= 2.5 v io= 2 a - > 4 a, di/dt= 2.5 a/us, cout= 0 uf , 2 00 0 uf(ceramic), ta=25 o c fig. 12 - 1a. load tr ansient response ( c out: 0 uf ) fig. 12 - 1b.load transient response ( c out: 2000 uf) 10 0 us/div 100 mv/div 2.5a /div 10 0 us/div 50 mv/div 2.5a /div vout iout vout iout 2010.12.24 mpd ty321 s data sheet 12 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 12 . 2. other electrical characteristics 12 . 2 .1 . vout= 3.3 v ta=25 o c, cin= grm32dr71e106ka12l*2 , cout=grm32ec80j476me64l, rtrim=1000 fig. 12 - 2 - 1. output voltage v.s. output current fig. 12 - 2 - 2 . efficiency v. s. output current fig. 12 - 2 - 3 . ripple voltage v. s. output current output voltage efficiency ri pple voltage ??? 1.067 1.078 1.089 1.100 1.111 1.122 1.133 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] vo1 [v] vin=5.5v vin=5v vin=4.5v Q 75 80 85 90 95 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] eff [%] ta=25 vin=5.5v ta=25 vin=5v ta=25 vin=4.5v ?? 0 5 10 15 20 25 30 35 40 45 50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] vr1 [mvp-p] vin=5.5v vin=5v vin=4.5v 2010.12.24 mpd ty321 s data sheet 13 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 12 . 2 . 2. vout= 2.5 v ta=25 o c, cin= grm32dr71e106ka12l*2 , cout=g rm32ec80j476me64l, rtrim= 6500 fig. 12 - 2 - 4 . output voltage v.s. output current fig. 12 - 2 - 5 . efficiency v. s. output current fig. 12 - 2 - 6 . ripple voltage v. s. output current output voltage efficiency ripple voltage ??? 2.425 2.450 2.475 2.500 2.525 2.550 2.575 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] vo1 [v] vin=5.5v vin=5v vin=4.5v Q 75 80 85 90 95 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] eff [%] ta=25 vin=5.5v ta=25 vin=5v ta=25 vin=4.5v ?? 0 5 10 15 20 25 30 35 40 45 50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] vr1 [mvp-p] vin=5.5v vin=5v vin=4.5v 2010.12.24 mpd ty321 s data sheet 14 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 12 . 2 . 3. vout= 1.1 v ta=25 o c, cin= grm32dr71e106ka12l*2 , cout=grm32ec80j476me64l, rtrim= 122000 fig. 12 - 2 - 7 . output voltage v.s. output current fig. 12 - 2 - 8 . efficiency v. s. output current fig. 12 - 2 - 9 . ripple voltage v. s. output current output voltage efficiency ripple voltage ??? 1.067 1.078 1.089 1.100 1.111 1.122 1.133 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] vo1 [v] vin=5.5v vin=5v vin=4.5v Q 65 70 75 80 85 90 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] eff [%] ta=25 vin=5.5v ta=25 vin=5v ta=25 vin=4.5v ?? 0 5 10 15 20 25 30 35 40 45 50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] vr1 [mvp-p] vin=5.5v vin=5v vin=4.5v 2010.12.24 mpd ty321 s data sheet 15 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 12 . 2 . 4 vout= 0.8v ta=25 o c, cin= grm32dr71e106ka12l*2 , cout=grm32ec80j476me64l, rtrim= open fig. 12 - 2 - 10. ou tput voltage v.s. output current fig. 12 - 2 - 11 . efficiency v. s. output current fig. 12 - 2 - 12 . ripple voltage v. s. output current output voltage efficiency ripple voltage ??? 0.776 0.784 0.792 0.800 0.808 0.816 0.824 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] vo1 [v] vin=5.5v vin=5v vin=4.5v Q 65 70 75 80 85 90 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] eff [%] ta=25 vin=5.5v ta=25 vin=5v ta=25 vin=4.5v ?? 0 5 10 15 20 25 30 35 40 45 50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 iout[a] vr1 [mvp-p] vin=5.5v vin=5v vin=4.5v 2010.12.24 mpd ty321 s data sheet 16 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 1 3 . mounting condition 13 . 1 . pcb land pattern recommendation there are wiring coppers or through - hole via at the bottom side of the dc - dc converter.when you design your pcbs, please be careful not to short the circuit of the dc - dc converter or pcbs. 13 . 2 . recommended soldering conditions reflow soldering this product is rohs compliant. the following profile is recommended for the reflow of this product using pb - free solder paste (sn - ag - cu). method : full convection reflow soldering reflow soldering profile jedec ipc/jedec j - std - 020 d table 5 - 2 classification reflow profile pb - free assembl y large body profile details soldering temperature : 245oc+0/ - 5oc soldering time : 30 seconds, 240 to 245oc heating time : 60 to 150 seconds, over217oc preheating time : 60 to 120 seconds,150 to 200oc programming rate : 3oc/ sec. max., 217 to 245oc descending rate : 6oc/ sec. max. total soldering time : 8 minutes max., 25 to 245oc times : 1 time parts surface temperature [ oc ] do not vibrate for the products on reflow. please need to take care temperature control because mounted parts may come off if the p roduct are left under the high temperature. do not reflow dc - dc converter as follows, because dc - dc converter may fall down from a substrate during reflowin g . 60 150 (seconds) 2 17 o c 2 4 5 o c 200 o c 1 5 0 o c (seconds) 6 0 1 2 0 times 1pin 2.54 2.8 1.5 8.0 8.0 substrate dc-dc converter 2010.12.24 mpd ty321 s data sheet 17 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 14. notice 14. 1 . both input - side and output side, please make the wiring loop between plus and minus as small as possible. the influence of a leakage inductance can be reduced. 14. 2. please make the power line pattern as wide and short as possible. the following figure is an example of recommendable pcb design. 14. 3 . this product should not be operated in par allel or in series. 14. 4 . please do not use a connector or a socket to connect this product to your product. the electric characteristics may be deteriorated by the influence of contact resistance. 14. 5 be sure to provide an appropriate fail - safe functio n on your product to prevent secondary damage that may be caused due to abnormal functional or failure of this product. 14. 6 . inrush current protection is not a feature of this product. 14. 7 . please connect the input terminals with the correct polarit y. if an error in polarity connection is made this product may be damaged. if this product is damaged internally, an elevated input current may flow, and so this product may exhibit an abnormal temperature rise, or your product may be damaged. please add a diode and fuse per the following diagram to protect them. please select diode and fuse after confirming the operation of your product. 14. 8 . cleaning please use no - cleaning type flux and do not wash this product . 14. 9 . storage 1 4 . 9 .1 . please store the products in room where the temperature/humidity is stable and direct sunlight cannot come in, and use the products within 6 months after delivery. please a void damp and h eat or such places where the temperature greatly changes, as wate r may condense on th is product, and the quality of characteristics may be reduced, and/or be the solderability may be degraded. if this product needs to be stored for a long time (more than 1 year), th is product may be degraded i n solderability and/or cor rode d . please test the solderability of th is product regularly. baking before reflow process is unnecessary to store the products under 30 ,60%rh or less up to 6 months . in case the storage condition is over above mentioned, if these are unpacked condition, please bake them at 125 5 /24hour. if these are packed in a t ape, please bake them before soldering at 60 5 /168hour. 1 4 . 9 .2 . please do not store this product in places such as : a dusty place, a place exposed directly to sea breeze, or in an atmosphere containing corrosive gas (cl2,nh3,so2,nox and so on). fuse + - + out in diode - load + 1 vin gnd(vin) gnd(vout) vout vout +s rvar output capasitor input capasitor 6 7 12 2010.12.24 mpd ty321 s data sheet 18 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 14. 1 0 . operational e nvironment and o perational c onditions 1 4.1 0 . 1 operational e nvironment the products are not waterproof, chemical - proof or rust - proof. in order to prevent leakage of electricity and abnormal temperature increase of the products, do not u se the products under the following circumstances: (1) in an atmosphere containing corrosive gas (cl2, nh3, so2, nox and so on) . (2) in a dusty place . (3) in a place exposed to direct sunlight . (4) in such a place where water splashes or in such a humi d place where water condenses . (5) in a place exposed to sea breeze . (6) in any other places similar to the above (1)through (5) . 1 4. 1 0 .2 . operational c onditions please use the products within specified values (power supply, temperature, input, output a nd load condition, and so on). input voltage drop for line impedance, so please make sure that input voltage is included in specified values. if you use the products over the specified values, it may break the products, reduce the quality, and even if the products can endure the condition for short time, it may cause degradation of the reliability. also please take care that the external voltage over output voltage of dc - dc converter does not applies to output of this dc - dc converter. 1 4. 1 0 .3 . note prior to use if you apply high static electricity, over rated voltage or reverse voltage to the products, it may cause defects in the products or degrade the reliability. please avoid the following items: (1) over rating power supply, reverse power supply or not - enough connection of 0 v(dc) line . (2) electrostatic discharge by production line and/or operator . (3) electrified product by electrostatic induction . do not give an excessive mechanical shock. . if you drop the products on the floor, etc., it may occur a crack to the core of inductors and monolithic ceramic capacitors. do not give a strong shock such as a drop in handling. 14. 1 1 . transportation if you transport the products, please pack them so that the package will not be damaged by mechanical vibration or mechanical shock, and please educate and guide a carrier to prevent rough handling. i f you transport the products to overseas (in particular, by sea), it is expected that the transportation e nvironment will be the worst, so please pack the products, in the package designed on the consideration of mechanical strength, vibration - resistant and humidity - resistant. the package of the products which murata sells in japan, may not resist over seas tr ansport. please consult us if you are to use the murata package of the products sold in japan for transport to overseas. note . murata recommends that customers ensure that the evaluation and testing of these devices are completed withthis product ac tually assembled on their product. . please contact our main sales office or nearby sales office before using our products for the applications listed below which require especially high reliability for the prevention of defects which might directly cause damage to the third partys life, body or property or this products for any other applications that described in the above. aircraft equipment aerospace equipment undersea equipment power plant control equipment medical equipment transportation equipment (vehicles, trains, ships, etc.) traffic signal equipment disaster preventio n /crime prevention equipment data - processing equipment application of similar complexity and/or reliability requirements to the applications listed in the above. this data sheet is indicated in a ug 200 9 . about the written contents, since ch anging without a preliminary announcement for improvement and supply are sometimes stopped, please confirm in case of ordering. if written contents are unknown, please ask to our main sales office or nearby sales office. ! |
Price & Availability of TY321S
 |
|
|
|
|
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] |