1. Haum rau kev tsim cov khoom siv me me, nrog ntau yam kev qhia tshwj xeeb ntawm kev xaiv koob nruab nrab;
2. Nrog ntau yam kev xaiv loj ntawm cov duab;
3. Ua tau raws li cov cai ntawm ROHS cov lus qhia;
Kev muab fais fab - Feem ntau yog qhov chaw DC uas nws tus kheej tswj hwm los ntawm lwm qhov chaw AC xws li kab 120 v, 60 Hz. Yog li ntawd, hom kev muab fais fab no tuaj yeem suav tias yog AC - DC hloov pauv.
Ib qho chaw AC uas muab qhov zaus tas li, qhov amplitude tas li, los ntawm qhov chaw DC hu ua inverter. Qee qhov chaw fais fab raug tswj los ntawm qhov chaw DC. Lub qhov dej tuaj yeem tsim lub zog ntawm ntau qib DC sib txawv. Cov chaw fais fab no hu ua DC-DC converters.
Rectifier: hloov AC voltage mus rau pulsating DC voltage thiab tso cai rau tam sim no ntws mus rau hauv ib qho kev taw qhia xwb;
Lim dej qis-dhau: Hauv qhov rectified waveform tuaj yeem tswj qhov pulsation, thiab cia nws cov DC (nruab nrab) tivthaiv hla;
Voltage regulator: tuaj yeem tswj tau qhov tso zis hluav taws xob ruaj khov tag nrho nyob rau hauv qhov xwm txheej ntawm kev hloov pauv ntawm on-line voltage thiab load tam sim no los ntawm lub zog fais fab.
Cov khoom siv video thiab suab, phau ntawv sau, ntsiav tshuaj, cov khoom sib txuas lus, cov khoom siv hauv tsev
Cov khoom siv ruaj ntseg, cov khoom ua si, cov khoom siv computer, cov khoom siv qoj ib ce, cov khoom siv kho mob
Tsim lub xov tooj ntawm tes lub tso suab, lub mloog pob ntseg, CD player, xov tooj wireless, MP3 player, DVD, cov khoom digital
dc qhov (socket) yog ib hom qhov (socket) uas muaj lub computer saib xyuas lub hwj chim tshwj xeeb, nws muaj cov qhov (transverse jack), qhov (longitudinal jack), lub hauv paus rwb thaiv tsev, rab rawg hom tiv tauj shrapnel, thiab qhov directional keyway, ob rab rawg hom tiv tauj shrapnel nyob hauv nruab nrab ntawm lub hauv paus, thiab tsis txuas nrog kab rov tav. Ib kawg ntawm rab rawg hom tiv tauj shrapnel yog lub qhov (wiring port), uas nthuav tawm rau saum npoo ntawm lub hauv paus lub tog raj kheej, rau kev txuas cov xov hluav taws xob nkag lossis cov xov hluav taws xob mos, lwm qhov kawg ntawm rab rawg hom tiv tauj shrapnel yog tsim los ntawm ob txhais caj npab elastic txuas nrog lub matrix, uas teeb tsa rau hauv qhov kev taw qhia ntawm lub hauv paus rwb thaiv tsev dc, kom lub computer saib xyuas ua haujlwm tau zoo.