1 usaf858f674f8100 germanyf49f7032f7806f0 singaporef65f6287f8998 shanghaif86f21f62787060 chinaf86f755f33966678 taiwanf886f3f4356768 electrical specifcations @ 25c - operating temperature -40c to +125c part number inductance (1-3) ( hf 3 5%) leakage inductance (1-3) with (4-6) shorted ( h fmax ) capacitance (1, 2, 3) to (4, 5, 6) (pf fmax ) dcr (1-3) ( fmax) dcr (4-6) ( fmax) max (1-3) (v- secfmax) turns ratio (1:3)f(6:4) isolated voltage (vrms ) ph9085.011nl 1020 0.8 30 0.60 0.65 22 1ctf:f1ct ph9085.012nl 1020 0.6 40 0.85 1.60 22 1ctf:f2ct ph9085.021nl 1160 1.6 20 0.60 0.35 23.6 2ctf:f1ct ph9085.034nl 1020 0.6 40 0.60 0.75 22 3ctf:f4ct ph9085.035nl 1020 0.6 40 0.80 1.20 22 3ctf:f5ct ph9085.038nl 1020 0.7 40 0.85 2.00 22 3ctf:f8ct ph9085.043nl 1160 0.8 30 0.60 0.50 23.6 4ctf:f3ct ph9085.083nl 1160 2.0 15 0.60 0.30 23.6 8ctf:f3ct ph9085.089nl 1160 0.6 40 0.60 0.70 23.6 8ctf:9ct notes: 1.fthefmaximumfvolt-usecfratingflimitsfthefpeakffuxfdensityftof3600fgaussfwhenfusedfin fffbi-polarfdrivefapplicationfwithf200khz.fforfunipolarfdrivefapplicationsforfafbi-polarfdrive fffwithf350khz,fafmaximumfvolt-usecfcouldfbef60%fofftheflistedfvalue.fforfpush-pullftop- fffology,fwherefthefvoltagefisfappliedfacrossfhalffthefprimaryfwindingfturns,fthefmaximumf fff volts-usefneedsftofbefderatedfbyf50%. 2 .foptionalftapef&freelfpackingfcanfbeforderedfbyfaddingfaf t fsufxftofthefpartf numberf(i.e.fph9085.012nlfbecomesfph9085.012nl t ).fpulsefcompliesftofindustryf standardftape ffandfreelfspecifcationfeia481. 3.f thefnlfsufxfindicatesfanfrohs-compliantfpartfnumber. ph9085.xxxxnl mechanical schematic 1 4 2, 3, 4 weight ...........................0.365gramsf tape & reel ........................700/reel tray ......................................55/tray 2500 push pull converter transformer compatible with maxim? max253 to power rs-485/rs232 transceiver and other communication interfaces 2.5kvrms isolation compact and cost effective industrial design dimensions: unless otherwise specifed, all tolerances are inches mm .010 0,25 p759.c (01/16) pulseelectronics.com isolation power transformers toroid platform smd
2 application ph9085nl is a series of high isolation power supply transformer drivers. intended to operate in a fxed duty cycle push pull topology, it is a part of a low cost solution for delivering lower power (up to 2w) from a low voltage source. a typical implementation would be an isolated rs-485/rs-232 power supply driver circuit, the design is compatible with the maxim? max253 ic. a schematic diagram for the push pull converter topology is given below. for a fxed 50% duty cycle mode of operation, the output voltage is simply determined by the input voltage and turns ratio. so, with the available turns ratios, a variety of output voltages can be selected. maxim is a registered trademark of maxim integrated products. v v ph9085 d2 d1 gnd cc out v in driver ic for more information pulse worldwide headquarters 12220fworldftradefdrive sanfdiego,fcaf92128 u.s.a. tel:f858f674f8100 fax:f858f674f8262 pulse europe einsteinstrassef1 d-71083fherrenberg germany tel:f49f7032f7806f0 fax:f49f7032f7806f135 pulse china headquarters b402,fshenzhenfacademyfof aerospaceftechnologyfbldg. 10thfkejinanfroad high-techfzone nanshanfdistrict shenzhen,fprfchinaf518057 tel:f86f755f33966678f fax:f86f755f33966700 pulse north china roomf2704/2705 superfoceanffinancefctr. 2067fyanfanfroadfwest shanghaif200336 china tel:f86f21f62787060f fax:f86f2162786973 pulse south asia 135fjoofsengfroad #03-02 pmfindustrialfbldg. singaporef368363 tel:f65f6287f8998ff fax:f65f6287f8998 pulse north asia 3f,fno.f198 zhongyuanfroad zhonglifcity taoyuanfcountyf320 taiwanfr.fo.fc. tel:f886f3f4356768 fax:f886f3f4356823f(pulse)ff fax:f886f3f4356820f(fre) performancefwarrantyfoffproductsfoferedfonfthisfdatafsheetfisflimitedftofthefparametersfspecifed.fdatafisfsubjectftofchangefwithoutfnotice.fotherfbrandfandfproductfnamesfmentionedfhereinfmayfbef trademarksforfregisteredftrademarksfofftheirfrespectivefowners.f?fcopyright,f2016.fpulsefelectronics,finc.fallfrightsfreserved. pulseelectronics.com isolation power transformers toroid platform smd p759.c (01/16)
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