Ko te LM25118MH/NOPB he rakiāhua hanga-roto tino rongonui (IC) nō Luminary Micro / Texas Instruments, i hangaia hei whakahaere mana (Power Management Integrated Circuit) – he Kaitūnga Hiko DC-DC, arā ko te Kaitūnga Hiko Whakapākehā. He wāhanga nō ngā IC (Rakiāhua Hanga-roto) tēnei hua, ā, kei te kī ana hei PMIC Iti.
Hei arataki i ngā wero hoahoa, ka taea e te LM25118MH/NOPB te whakarite i tētahi pāmahana mahi whānui nō -40°C ki te 125°C (TJ), ā, he pai mō ngā tono rerekē e hiahia ana ki te mahi pono i ngā āhuatanga taiao kaha. Kei runga te taputapu nei i tētahi Kaitūnga Whakaae Kaainga, he Kaitūnga Tuitui DC-DC, e āhei ana te whakahaere i ngā tohu pākawa whakawhāiti me ngā pākawa whakawhāiti i ngā utu hiko ātaahua.
Ko ngā tino mōhiotanga mō te LM25118MH/NOPB he tuku pākawa uru mai i te 3V ki te 42V, ā, ka taea te whakamahi i ngā puna pākawa rerekē. Kei te taea e te kaitūnga te eke ki te 500kHz, hei whakakaha i te hoahoa kēmu pānga mana whai hua. Kei roto hoki i tēnei IC te hangarau Synchronous Rectifier, e whakakaha ana i te whai hua o te tukunga pākawa.
Ko ngā painga matua o te LM25118MH/NOPB ko tāna he korikori rerekē me te mahi whai hua. Ka taea te whakamahi i ngā tono maha, pērā i ngā taputapu ahumahi, ngā taputapu rongoā, ngā tāhua hiko kaihoko, me ngā pūnaha waka, ā, ko te tino hiranga ko te whakatika pākawa tika me te whaihua teitei. E whakarite ana ngā ārahi tiaki pērā i te whakakore haere i te raru hiko nui, te pānui i te pākawa nui, me te tiaki i te pāmahana kia haumaru te whakahaere.
Nō te urutā, ko te LM25118MH/NOPB he taputapu komititā kotahi, ā, he uru pākawa kotahi. Kei te uhi, i roto i tētahi hoahoa 20-HTSSOP (Pakete Roa Māmā Tautuhi) ā, kei te wātea hoki i te āhua paerewa he putorino.
Nō ngā tauira rite rānei, kei ngā whiringa o Texas Instruments, pēnei i te LM25118-Q1, LM25118-1, me te LM25118-7, e whakarato ana i ngā ngāwari rerekē i ngā ahuatanga, te rahi o te pouari, rānei ngā tono motuhake, engari hei whanui, kei te kataraina rātou ki te mahi matua me ngā āhuatanga o te LM25118MH/NOPB.
LM25118MH/NOPB Ngā āhuatanga hangarau matua
Ko ngā āhuatanga hangarau matua o LM25118MH/NOPB ko te whakahaere kaha huri hiko o te pātea-iti, he porotiti Amy, me ngā āhuatanga hono pēnei i te whakahaere wā, te aratau hei, te pākau paratahi me te timata auau ngawari. He kaha ki te whakahaere i te wāhanga hiko mai i te 3 V tae atu ki te 42 V, ā, ka taea te whakahaere i te tae kia 500kHz, nō reira he pai mō ngā tono hiko ahumahi me ngā tauhokohoko.
LM25118MH/NOPB Rahi uta
He momo māka pākete ko te putu, he whakamahinga i te HTSSOP20, kei te 0.173 inihi (4.40mm) te whānui o ngā wāhanga pīni, he ngāwari mō te tāpiri ki ngā pūrere hiko.
LM25118MH/NOPB Taupānga
Ko te LM25118MH/NOPB he mōhiotia mō āna whakamahinga ki ngā tono e hiahia ana ki te whakatika hiko me te tika, pērā i te whakarite pātea whakarite me te whakarite pākahi, hei whakaū i te puna mana ūmanga me te pumau i ngā taputapu hiko.
LM25118MH/NOPB Ngā waahanga whaihua
Ko ngā ahuatanga o te LM25118MH/NOPB ko te hanga tauwhiro pērā i te arkia tere, te whakahaere auau, te whakatakotoranga huarahi, me ngā āwhina pērā i te whakatenatena, te whakahaere auau, te whakatārewa me te tīmatanga ngawari. He pātea ki te 3 V ki te 42 V, ā, ka taea hoki te whakahaere i te tae tae atu ki te 500kHz mō ngā hiahia hiko rerekē ahumahi me ngā tauhokohoko.
LM25118MH/NOPB Ngā āhuatanga kounga me te haumaru
Ko taua taputapu nei kāore i te kaiāhua rongoā taikaha me te raupapa RoHS, e ārai ana i ngā tikanga taiao me ngā paerewa haumaru o naianei. Ko te ārai e whai ake nei ko te taumata matū māmā (MSL) 1, arā, kāore he whakamāmā kore mutunga i ngā āhuatanga kua whakaritea.
LM25118MH/NOPB Taurite
Ko te LM25118MH/NOPB he hoahoa kia kitea te ū ki ngā tono whakahaere DC-DC ā-heke hiko i te aratau buck me te boost, nō reira he pai mō ngā mahere hiko rerekē me ngā tono ahumahi.
LM25118MH/NOPB Kōnae PDF raraunga matua
Whiwhi te pouaka raraunga PDF tino oti, wikitoria hoki mō te LM25118MH/NOPB i tā mātou paetukutuku. E taunaki ana mātou ki te tiki i tōna kotahi i te whārangi nei hei rapu mōhiohio hangarau tika me ngā paerewa.
Tohonga kounga
Ko IC-Components he kaihoko kiritaki runga rawa mō ngā hua a Luminary Micro / Texas Instruments. He arotahi ki te kounga me te harikoa o te kiritaki. Mo te LM25118MH/NOPB, tono koa i tō tauwehe mai i tā mātou paetukutuku i tēnei rā hei whakarite ko koe e hoko i āwhina kounga teitei i te umanga.




