Ko te XRP7603EDB-F he kaitūhono āhei nui mō ngā rama atena, nā Exar Corporation i hanga hei rongoā mō ngā tono rama whakahirahira. Ko tēnei pūmanawa whakahaere pūngao māramatanga he rongoā pōturi, poto, he whanaketanga hoki mō te whakahaere rama atena i runga i te pono me te tika.
He kaiwhakahaere DC-DC rūnanga-ki-rūnanga (buck), ka whai wāhi te taputapu nei ki te whakahaere tika i te reiti, te tāurunga hiko hoki mō ngā rau o ngā rama atena, tae atu ki te 500mA o te taka reiti me te pai o te whakatinanatanga. Nāna i whakahaere i ngā pāmahana whānui, mai i te -40°C ki te 125°C, kia ū ai te mahi kaha i ngā taiao maha.
Ko te pūkete o tēnei rongoā he āhei ki te tākoho āhua pātea me te whakamahana rao iriti (dimming), e tautoko ana i ngā tikanga PWM me ngā tikanga āhua āhua ōkawa, hei whakakaha i te whakarite me te tika o te whaimana rama. Ko tana hanganga whakakī whakapā halalei i ngā wāhanga o te tapawhā o te 1.2MHz, nā reira he hanga poto, he mauri kaha hoki te kaha tuku kaha.
Ko ngā tautuhinga hangarau matua ko te āhua o te mana whakauru, 4.5V ki te 29V, e whakapumau ana i te tautohetohe ki ngā puna hiko maha. Ko te mātātoa ko te 8-HSOICN, he huarahi whakakorikori ngawari ki te whakauru i ngā hoahoa hiko poto. Ā, he kore arai me te ū ki te RoHS, e here Ana ki ngā paerewa taiao me ngā ture hou.
Ko ngā painga matua ko te kaha nui o te whakawhitinga pūngao, te noho poto o te rōpū, te whānuitanga o ngā pāmahana whakahaere, me ngā āheinga tākoho pātea āhua. He pai tēnei mō ngā rama waka, ngā rama whare, ngā whakaari kei te tuara, me ngā tono whānui o te rama whakakī mata.
Ahakoa kāore i runga i ngā mōhiotanga motuhake ngā tauira rite, ko ngā kaitūhono rama atena pērā i Linear Technology, Texas Instruments, me Maxim Integrated tērā pea ka whai āheitanga whai hua ōrite.
Ko te XRP7603EDB-F he otinga tino pai mō ngā kaihoahoa e rapu ana i tētahi rongoā pono, whai hua hoki mō te whakahaere rama atena, me ngā paerewa whakahaere pūngao whānui.
XRP7603EDB-F (1)
XRP7603EDB-F Ngā āhuatanga hangarau matua
Ko ngā āhuatanga hangarau matua ko te XRP7603EDB-F he tauira IEC 'Integrated Circuits (ICs), PMIC - Kaiwhakahaere Ānau LED' e hangaia ana e te Kamupene Exar. He kaha ki te tuku hiko ki ngā whiringa rerekē me te tautoko i ngā momo rerekē o te rongoā rama LED, me te āhei ki te whakahaere i ngā mahi toronga me ngā taputapu rerekē i runga i te hiahia o te kaihoko.
XRP7603EDB-F Rahi uta
He momo hua SOP8, he momo pouaka 8-HSOICN, he pehanga i runga i te pou e tōia ana i te ipu, tō size: 8-SOIC (0.154 inihi, 3.90 mm te whanui), he papa whakangao karapa. He whakarite āhua pin: 8-HSOICN, ā, he tino pai mō ngā taupānga wātea ake me ngā mahi whakauru kohi nui.
XRP7603EDB-F Taupānga
He kaupapa whakaritenga mō ngā whakamahinga rama, pērā i ngā rama whānui o te whare, ngā hangareka rama pūkāea me ngā taputapu kōwhiringa rama rerekē, e hāngai ana ki ngā tono whakawhanake mō ngā rama pūkaha me ngā pūkāngā rama tauwhāiti.
XRP7603EDB-F Ngā waahanga whaihua
Ko te XRP7603EDB-F nō Exar he tino pai ki ngā kaupapa whakahaere ā-wāhi LED. He aronga whakahaere kotahi, he momo Step-Down (Buck), he whakamahi i ngā whakawhiti ā-roto kia hoki ngā whakahaere pai. He tautoko hoki i te āhua toronga ā-whakaaro me te PWM mō ngā momo whakaroa rama, me te tuku hiko tae rawa ki 500mA, ā, he rarangi utu mana hiko nui mai i te 4.5V ki te 29V, e hototahi ana ki ngā punaha rama rerekē.
XRP7603EDB-F Ngā āhuatanga kounga me te haumaru
Ko te taumata whakaū koree ūnga (Moisture Sensitivity Level) he 1, e mea ana kia kaua e raru i ngā āhuatanga korokoro hau, ā, he whakarite hoki mo te RoHS kia mau ki ngā tikanga kore neke whakawehi kirihou. Hei tāpiri, ka whakahaere ngā mahi ki te paerewa pāpāho pōkai ā-ao i runga i te mahana mahi i ngā -40°C ki te 125°C hei tiaki i te kounga me te ahuru o te hua.
XRP7603EDB-F Taurite
Ko te momo tāuru ā-ringa mō te whakanoho he muka ki te papa tākai āhua mata, he tino mō te whakamahi i ngā papa rerekē, hei whakamahi hoa pai mō ngā hoahoa përou me ngā waahi noho pūkānga. He pai hoki mō ngā whakarite whakataetae i te pae tākai iti kia taea ai te whakauru Anga, he hōu hoki mō ngā hangareka kāhua whaihua.
XRP7603EDB-F Kōnae PDF raraunga matua
Mo ngā pārongo taipitopito me te hohonutanga mō te XRP7603EDB-F, ko te tikanga ko te tikiake i te pepa raraunga PDF kei runga i tā mātou paetukutuku hei pūtaki mōu.
Tohonga kounga
Ko IC-Components tō Hua Tika Tino, he kaiwhakarato tohungā mō ngā hua a Exar Corporation. Kei te ū mātou ki te tuku ngā waahanga kounga teitei me ngā uara pono kia tutuki ai ngā hiahia o tō kaupapa. Tirohia tā mātou paetukutuku hei whiwhi utu me te mōhio atu atu mō te XRP7603EDB-F LED Driver IC me ētahi atu rongoā auaha.







