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2014.2.8 m yssm01204ben l data sheet 1 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it dc - dc converter data sheet my ssm012 04 benl 1. features ? wide input voltage range. (17v~40v) ? single output voltage/high current (iout= 4.0 a) and surface mount type of non - insulated dc - dc converter. ? ultra small size and l ow profile. ? high efficiency product . ? wide adjustable output volt age by connecting external resistors. ( 5.0 to 12.0 v) ? on/off function and short circuit protection is built in. ? 2. appearance, dimensions unit mm tolerance 0.3mm toleranc is not accumulated. ( 3 . 1 7 ) a b a b a b 6 . 0 8 a b a b a b b a ( 3 . 1 7 ) a b a b a b 6 . 0 8 ( 3 . 1 7 ) a b a b a b b a ( 3 . 1 7 ) ? ? 3 0 . 2 0 . 6 < < t o p v i e w > > a = 1 . 0 b = 1 . 5 4 2 0 . 9 0 . 4 ( t h e s o l d e r i n g p a r t w i t h t h e c a s e i s e x c l u d e d . ) < < b o t t o m v i e w > > 2 2 . 0 m a x . p r o j e c t i o n o f s o l d e r 1 2 . 0 m a x . t o p o f p i n 0 . 1 5 m a x . 0 1 2 4 m u r a t a m y s s m e n b l 0
2014.2.8 m yssm01204benl data sheet 2 2014.2.8 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. ther efore, it pin number and function pin no. symb ol function 1,2,3 v in in put 4 , 5,6, 7,1 3 ,1 4 ,1 5 . 16 gnd gnd 8 var output voltage adjustment 9 on/off remote on/off 1 0 ,1 1 ,1 2 v out out put 3. block diagram marking (1) manufacturer parts no. MYSSM01204BENL (2) ma nufacturer id murata (3) identification mark ????? ?????? 1,2,3 vout gnd vin var on/off control circuit gnd 4,5,6,7 9 8 13,14,15,16 10,11,12
2014.2.8 3 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 4 . environmental conditions 4 . 1 operating tempe rature range - 1 0 o c ~ + 7 0 o c 4 . 2 storage temperature range - 20 o c ~ + 85 o c 4 . 3 operating humidity range 1 0% ~ 85%(no water condenses in any cases.) 4 . 4 storage humidity range 5 % ~ 90%(no water condenses in any cases.) 5. absolute maximum rating item u nit absolute rating remarks maximum input voltage v 5 0 on/off v vin 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 characteri stics will deteriorate or the product itself will 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 continuously exceeded. this product is designed to operate within the maximum operating voltage rating specification. 6. characteristics 6.1 electrical characteristics (ta=25 o c) item condition value unit symbol min. typ. max. input voltage vin +17.0 + 2 4.0 +40.0 v output voltage vout vin=17.0~40.0v iout=0~ 4.0 a var = gnd +11.64 +12.00 +12.36 v var =open +4.85 +5.00 +5.15 output current iout vin=17.0~40.0v 0 - 4 . 0 a ripple voltage vrip vin = 2 4.0 v, iout= 4.0 a bw=20mhz - 1 8 0 - m v (p - p) efficiency eff vin = 2 4.0 v , iout= 4.0 a - 9 6 - % on/off voltage v on/off vin=17.0~40.0v off 2.5 - vin v on - - 0.5 open short circuit protection scp if output is shorted to gnd , dc - dc converter shall be operated in a hi ccup mode. after the short circuit event has cleared, the output is automatically brought back into regulation.
2014.2.8 m yssm01204benl data sheet 4 2014.2.8 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. ther efore, it 6. 2 output current derating 7. operation in information 7.1 output voltage adjustment the output voltage can be adjusted ranging by connecting resistors between var - pin( 8 pin) 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. rvar=6.6 (vout 5.0) 0.943 k ? rvar calculation example vo ut [v] calculated rvar [] 0 open internal circuit 11 k error amp myssm012 04 benl var pin rvar 9.4 k 1.5 k vout - 10 0 10 20 30 40 50 60 70 80 ta o u t p u t c u r r e n t a 0 . 0 1 . 0 2 . 0 5 . 0 3 . 0 4 . 0
2014.2.8 m yssm01204benl data sheet 5 2014.2.8 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. ther efore, it 7.2 on/off control on/off function the dc - dc converter can be inactive by using on/o ff function. on/off control method when on/off - pin( 9 pin) is connected to vin ??? output voltage=off when on/off - pin( 9 pin) is connected to gnd or open ??? output voltage=on 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 - 40c3c 30 minutes 2 room temp. 5 - 10 minutes 3 +85c2c 30 minutes 4 room temp. 5 - 10 minutes 8.3 vi bration 10 to 55hz, 1.5mm amplitude (1minute cycle), 1 hour for each of x, y, z directions. no damage in appearance and no deviation from electrical characteristics (section 6.1.). 8.4 mechanical shock 20g, 1 time for each x, y, z directions. no damage in appearance and no deviation from electrical characteristics (section 6.1.). on/off pin 22 k 24 k vin pin or r1 r1=10k 100k MYSSM01204BENL usage example
2014.2.8 6 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it dc - dc converter coaxial cable 1.5d - 2v l=1.5m l l Q 3c m ripple voltmeter or oscilloscope keisokugiken rm - 101 equivalent or tektronix 460a equivalent terminating resistance keisokugiken trc - 50f equivalent output capacitor load 9. test circuit in the following test circuit, the initial values under item 6.1. should be met. 9.1. general measure circuit c1 conductive poly mer aluminum solid electrolytic capacitor 10 0f/50v pcg1c821mcl1gs 10l1 2 . 7 nichicon c 2 conductive polymer aluminum solid electrolytic capacitor 82 0f/16v pcg1c102mnl1gs 10 l1 2 . 7 nichicon or aluminum solid electrolytic capacitor 1000f/16v ucl1c102mnl1gs 10l13.5 nichicon 9.2. ripple voltage measurement circuit c b a a b c output ripple noise out put ripple voltage switching cycle myssm 01204 benl vin on / off var vout gnd vin c 1 + rl c 2 + r
2014.2.8 7 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 10. packaging specification 10. 1. packing form these are packed in a tray(see fig.10 - 1) 10. 2 . the number of products in pack specification form 32pcs./tray if the products have fraction,may not follow this specification. 10. 3 . packaging form these trays packed products are packaging in a corrugated box altem ately. fig.10 - 1 200 32.0 32.0 32.0 32.0 32.0 32.0 32.0 38.0 34.0 4 4.0 4 4.0 4 4.0 3 00 183.3 14.5 283.3 b-b' cross-section drawing a-a' cross-section drawing b b' a a'
2014.2.8 8 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 11. production factory komatsu murata mfg.co., ltd. kanazu murata mfg. co., ltd. wakura murata mfg. co., ltd. murata electronics(thailand).ltd. 1 2 . characteristics data 1 2 . 1. static electrical characyeristics vin=17v 40v, vout=5.0v ta=25 , cin 50ce220kx 5 , cout= 16ce330kx 4 , rvar=open fi g.12 - 1 - 1. output voltage vs. output current fig. 12 - 1 - 2. efficiency vs. output current fig.12 - 1 - 3. ripple voltage vs. output current 65 70 75 80 85 90 95 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 iout [a] efficiency [%] vin=17v vin=24v vin=40v 0 10 20 30 40 50 60 70 80 90 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 iout [a] ripple voltage [mvp-p] vin=16v vin=24v vin=40v 4.85 4.90 4.95 5.00 5.05 5.10 5.15 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 iout [a] output volage [v] vin=17v vin=24v vin=40v
2014.2.8 m yssm01204benl data sheet 9 2014.2.8 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. ther efore, it vin=17v 40v, vout=12.0v ta=25 , cin 50ce220kx 5 , cout= 16ce330kx 4 , rvar=gnd fig.12 - 1 - 4. output voltage vs. output current fig.12 - 1 - 5. efficiency vs. output current fig.12 - 1 - 6. ripple voltage vs. output current 11.64 11.76 11.88 12.00 12.12 12.24 12.36 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 iout [a] output voltage [v] vin=17v vin=24v vin=40v 70 75 80 85 90 95 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 iout [a] efficiency [%] vin=17v vin=24v vin=40v 0 10 20 30 40 50 60 70 80 90 100 110 120 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 iout [a] ripple voltage [mvp-p] vin=17v vin=24v vin=40v
2014.2.8 m yssm01204benl data sheet 10 2014.2.8 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. ther efore, it 1 2 . 2 . dynamic electrical characyeristics vin=17v, vout=5.0v ta=25 , cin 50ce220kx 5, cout= 16ce330kx 4, rvar=open fig.12 - 2 - 1. start - up waveform (io=0a) fig.12 - 2 - 2. start - up waveform (io= 3.5a ) fig.12 - 2 - 3. start - up waveform (io=0a) fig.12 - 2 - 4. start - up waveform (io= 3.5 a) fig.12 - 2 - 5. load transient response fig.12 - 2 - 6. load transient response (io= 0 3.5 a) (io= 3.5 a 0) vin(20v/div) vout(2v/div) 4 ms/div vin(20v/div) vout(2v/div) 4 ms/div vout( 5 0mv/div) iout( 5 a/div) 4 0us/div vout( 5 0mv/div) iout( 5 a/div) 4 0us/div on/off(2v/div) vout(2v/div) 4 ms/div vin(20v/div) vi n(20v/div) vout(2v/div) 4 ms/div on/off(2v/div)
2014.2.8 m yssm01204benl data sheet 11 2014.2.8 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. ther efore, it vin= 24 v, vout=5.0v ta=25 , cin 50ce220kx 5, cout= 16ce330kx 4, rvar=open fig.12 - 2 - 7. start - up waveform (io=0a) fig.12 - 2 - 8. start - up waveform (io= 3.5 a) fig.12 - 2 - 9. start - up waveform (io=0a) fig.12 - 2 - 10. start - up waveform (io= 3.5 a) fig.12 - 2 - 11 . load transient response fig.12 - 2 - 12. load transient response (io= 0 3.5 a) (io= 3.5 a 0) vin(20v/div) vout(2v/div) 4 ms/div vin(20v/div) vout(2v/div) 4 ms/div vin(20 v/div) vout(2v/div) 4 ms/div on/off(2v/div) vin(20v/div) vout(2v/div) 4 ms/div on/off(2v/div) vout( 5 0mv/div) iout( 5 a/div) 4 0us/div vout( 5 0mv/div) iout( 5 a/div) 4 0us/div
2014.2.8 12 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it vin= 40 v, vout=5.0v ta=25 , cin 50ce220kx 5, cout= 16ce330kx 4, rvar=open fig.12 - 2 - 13. start - up waveform (io=0a) fig.12 - 2 - 14. start - up waveform (io= 3.5 a) fig.12 - 2 - 15. start - up waveform (io=0a) fig.12 - 2 - 16. start - up waveform (io= 3.5 a) fig.12 - 2 - 17. load transient response fig.12 - 2 - 18. load transient response (io= 0 3.5 a) (io= 3.5 a 0) vin(20v/div) vout(2v/div) 4 ms/div vin(20v/div) vout(2v/div) 4 ms/div vin(20v/di v) vout(2v/div) 4 ms/div on/off(2v/div) vin(20v/div) vout(2v/div) 4 ms/div on/off(2v/div) vout( 5 0mv/div) iout( 5 a/div) 4 0us/div vout( 5 0mv/div) iout( 5 a/div) 4 0us/div
2014.2.8 13 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it vin= 17 v, vout= 12 .0v ta=25 , cin 50ce220kx 5, cout= 16ce330kx 4, rvar=gnd fig.12 - 2 - 19. start - up waveform (io=0a) fig.12 - 2 - 20. start - up waveform (io= 3.5 a) fig.12 - 2 - 21. start - up waveform (io=0a) fig.12 - 2 - 22. start - up waveform (io= 3.5 a) fig.12 - 2 - 23. load transient response fig.12 - 2 - 24. load transient response (io= 0 3.5 a) (io= 3.5 a 0) vin(20v/div) vout(5v/div) 4 ms/div vin(20v/div) vout(5v/div) 4m s/div vin(20v/div) vout( 5 v/div) 4 ms/div on/off(2v/div) vin(20v/div) vout( 5 v/div) 4 ms/div on/off(2v/div) vout( 10 0mv/div) iout( 5 a/div) 4 0us/div vout( 10 0mv/div) iout( 5 a/div) 4 0us/div
2014.2.8 14 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it vin= 24 v, vout= 12 .0v ta=25 , cin 50ce220kx 5 , cout= 16ce330kx 4 , rvar=gnd fig.12 - 2 - 25. start - up waveform (io=0a) fig.12 - 2 - 26. start - up waveform (io= 3.5 a) fig.12 - 2 - 27. start - up waveform (io=0a) fig.12 - 2 - 28. start - up waveform (io= 3.5 a) fig.12 - 2 - 29. load transient response fig.12 - 2 - 30. load transient response (io= 0 3.5a ) (io= 3.5a 0) vin(20v/div) vout(5v/div) 4 ms/div vin(20v/div) vout(5v/div) 4m s/div vin(20v/div) vout( 5 v/div) 4 ms/div on/off(2v/div) vin(20v/div) vout( 5 v/div) 4 ms/div on/off(2v/div) vout( 10 0mv/div) iout( 5 a/div) 4 0us/div vout( 10 0mv/div) iout( 5 a /div) 4 0us/div
2014.2.8 15 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it vin= 40 v, vout= 12 .0v ta=25 , cin 50ce220kx 5 , cout= 16ce330kx 4 , rvar=gnd fig.12 - 2 - 31. start - up waveform (io=0a) fig.12 - 2 - 32. start - up waveform (io= 3.5 a) fig.12 - 2 - 33. start - up waveform (io=0a) fig.12 - 2 - 34. start - up waveform (io= 3.5 a) fig.12 - 2 - 35. load transient response fig.12 - 2 - 36. load transient response (io= 0 3.5 a) (io= 3.5 a 0) vin(20v/div) vout(5v/div) 4 ms/div vin(20v/div) vout(5v/div) 4m s/div vin(20v/div) vout( 5 v/div) 4 ms/div on/off (2v/div) vin(20v/div) vout( 5 v/div) 4 ms/div on/off(2v/div) vout( 10 0mv/div) iout( 5 a/div) 4 0us/div vout( 10 0mv/div) iout( 5 a/div) 4 0us/div
2014.2.8 16 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 13. mounting condition 13.1. pcb land pattern recommendation a rea prohibits wirings other than land. 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 p cbs. 1pin 2.0 1.0 2.0 1.0 16.9 30.2 20.9 22.9 32.2 1.1 1.1 18.7 1.6 6.7 2.87 2.87 1.6 1.6 1.6 1.6 1.6 1.6 0.94 0.94 0.93 0.93 0.94 0.94 0.94
2014.2.8 17 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 13.2. recommendable condition of soldering 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 assembly large body profile details soldering tempera ture : 245 o c +0/ - 5 o c soldering time : 30 seconds, 240 to 245 o c heating time : 60 to 150 seconds, over217 o c preheating time : 60 to 1 2 0 seconds,150 to 200 o c programming rate : 3 o c / s ec. max.,217 to 245 o c descending rate : 6 o c / sec. max. total soldering time : 8 minutes max., 25 to 245 o c times : 1 time parts surface temperature [ o c] do not vibrate for the products on ref low. please need to take care temperature control because mounted parts may come off if the product 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 reflowing 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 dc - dc converter substrate
2014.2.8 m yssm01204benl data sheet 18 2014.2.8 note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. ther efore, 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 leakage inductance can be reduced. 14. 2. please design the print pattern of the main circuit as wide and short as possible. 14. 3 . please do not use a connector or a socket for connection with your board of this product. electrical p erformance may be deteriorated the influence of contact resistance. please be sure to mount this product with solder. 14. 4 . be sure to provide an appropriate fail - safe function on your product to prevent a second damage that may be caused by the abnorma l function or the failure of our product. 14. 5 . inrush current protection is not a feature of this product. 14. 6 . please connect the input terminal with proper polarity. if you connect wrong polarity, the dc - dc converter may be broken. in the case of the dc - dc converter is damaged, abnormal input current may flow in, and abnormal overheat of the dc - dc converter, or some damage of your products may occur. please use a diode and a fuse to as following figure. please select diode and fuse after confirming the operation. 14. 7 cleaning please use no - cleaning type flux and do not was h this product . 14. 8 storage 1 4 . 8 .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 t emperature greatly changes, as water 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 corrode 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 thes e are unpacked condition, please bake them at 125 5 /24hour. if these are packed in a tape, please bake them before soldering at 60 5 /168hour. 1 4 . 8 .2 . please do not store this product in places such as : a dusty place, a place exposed directly to sea b reeze, or in an atmosphere containing corrosive gas (cl2,nh3,so2,nox and so on). fuse + - + out in diode - l oad +
2014.2.8 19 m yssm01204benl data sheet note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it 14. 9 operational environment and operational conditions 14. 9 .1 operational environment 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 use 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 humid place where water condenses. (5) in a place exposed to sea breeze. (6) in any other places similar to the above (1)through (5). 14. 9 .2 operational conditions please use the products within specified values (power supply, temperature, input, output and 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 outp ut voltage of dc - dc converter does not applies to output of this dc - dc converter. 14. 9 .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 re liability. 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 0 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. if you transport the products to overseas (in particular, by se a), it is expected that the transportation environment 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 transport. 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 thes e devices are completed with this product actually 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 preven tion 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 prevention /crime prevention equipment data - processing equip ment application of similar complexity and/or reliability requirements to the applications listed in the above. this data sheet is indicated in apr. 20 11 . about the written contents, since changing 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. !

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