Integrated Circuit IC Electronics Cheebtsam Chaw Muag Khoom Tshiab & Thawj Hauv Tshuag Zoo Nqe Bom Kev Pabcuam
Yam khoom
| HOM | Kev piav qhia |
| Qeb | Integrated Circuits (ICs) PMIC - Voltage Regulators - DC DC Hloov Regulators |
| Mfr | Texas Instruments |
| Series | SIMPLE SWITCHER® |
| Pob | Daim kab xev & Reel (TR) Daim kab xev (CT) Digi-Reel® |
| SPQ | 75Tube ua |
| Yam khoom | Active |
| Muaj nuj nqi | Kauj ruam-down |
| Output Configuration | Qhov zoo |
| Topology | Buck |
| Hom tso zis | Kho tau |
| Number of Outputs | 1 |
| Voltage - Cov tswv yim (Min) | 4.3v ua |
| Voltage - Input (Max) | 60v ua |
| Voltage - Tso zis (Min/Fixed) | 0,8v ua |
| Voltage - Tso zis (Max) | 50v ua |
| Tam sim no - Tso zis | 2A |
| Zaus - Hloov | 200 kHz ~ 2.5 MHz |
| Synchronous Rectifier | No |
| Ua haujlwm kub | -40 ° C ~ 125 ° C (TJ) |
| Mounting Hom | Nto Mount |
| Pob / Case | 8-PowerSOIC (0.154", 3.90mm Dav) |
| Cov Khoom Muag Khoom Pob | 8-SO PowerPad |
| Base Product Number | LWM 16020 |
Cov cheeb tsam twg?
Cov chaw twg yog hloov cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob linear haum rau
Hloov cov khoom siv hluav taws xob tsis tas yuav tsum muaj lub tshuab hloov pauv hloov AC kab hluav taws xob ncaj qha mus rau DC voltage, thiab tom qab ntawd hloov cov khoom siv hluav taws xob DC mus rau lub teeb liab AC high-frequency AC uas yuav siv rau hauv lub regulator Circuit Court los tsim cov voltage thiab tam sim no.
Txoj kab hluav taws xob tsim hluav taws xob siv hluav taws xob AC kab hluav taws xob rau lub zog hloov hluav taws xob kom nce lossis txo qhov hluav taws xob ua ntej nws yuav siv rau hauv Circuit Court regulator.Raws li qhov loj ntawm lub transformer yog indirect proportional rau lub khiav hauj lwm zaus, qhov no yuav ua rau ib tug loj thiab hnyav zog mov.
Txhua hom kev siv fais fab mov muaj nws qhov zoo thiab qhov tsis zoo.Lub zog hloov hluav taws xob yog 80 feem pua me me thiab sib zog dua li cov khoom siv hluav taws xob sib txuas, tab sis nws tsim cov suab nrov nrov uas tuaj yeem cuam tshuam nrog cov khoom siv hluav taws xob.Tsis zoo li cov khoom siv hluav taws xob tawm, hloov cov khoom siv hluav taws xob tuaj yeem tiv taus AC poob hauv 10-20 ms yam tsis muaj kev cuam tshuam rau cov zis.
Cov khoom siv hluav taws xob linear xav tau cov khoom siv semiconductor loj dua los tswj cov zis hluav taws xob thiab yog li tsim kom muaj cua sov ntau dua, uas txo cov kev siv hluav taws xob.Rau 24V tso zis, cov khoom siv hluav taws xob linear feem ntau yog kwv yees li 60 feem pua, piv rau 80 feem pua lossis siab dua rau cov khoom siv hluav taws xob hloov.Cov khoom siv hluav taws xob linear muaj lub sijhawm teb sai dua li lawv qhov hloov pauv hloov pauv, uas yog qhov tseem ceeb hauv qee qhov tshwj xeeb.Feem ntau, cov khoom siv hluav taws xob hloov pauv yog lub teeb yuag thiab compact, ua rau lawv haum rau cov khoom siv nqa tau.Cov khoom siv hluav taws xob tawm yog tsim nyog rau kev siv hluav taws xob analog hluav taws xob vim tias lawv cov hluav taws xob qis thiab kev tswj tau yooj yim.
Kev txhaum
Feem ntau faults nyob rau hauv switching fais fab mov.
Dab tsi yog qhov yuam kev hauv kev hloov cov khoom siv hluav taws xob?Ib qho yuam kev hauv kev hloov cov khoom siv hluav taws xob yog qhov hloov pauv transistor nws tus kheej.Ib tug luv luv transistor ua rau ib tug loj npaum li cas ntawm tam sim no ntws los ntawm lub transformer thiab tshuab ib fuse.
Transistor tsis ua haujlwm feem ntau yog tshwm sim los ntawm cov khoom tsis zoo.Nrhiav cov o los yog tawm cov zis lim capacitor thiab hloov cov capacitors uas zoo li tsis zoo.Txhawm rau kom tsis txhob muaj qhov tsis ua haujlwm no tshwm sim dua, cov zis lim capacitor yuav tsum tau hloov nrog lub capacitor.Feem ntau cov chaw tsim khoom siv hluav taws xob tsis nruab ESR capacitors qis dua li cov cuab yeej qub vim tias lawv kim kim dua li cov khoom siv hluav taws xob.Txawm li cas los xij, nws yog qhov tsim nyog siv lawv los ua cov khoom siv hloov pauv vim tias lawv yuav txhim kho lub neej ntawm lub hwj chim.
Diode tsis ua hauj lwm yog lwm qhov teeb meem.Muaj ntau lub diodes nyob rau hauv ib tug switching fais fab mov thiab ib tug ib tug diode tsis ua hauj lwm yuav ua rau lub hwj chim mov mus rau ib tug fuse los yog kaw.Ib qho kev tsis ua haujlwm diode yog luv luv hauv +12 volt lossis -5 volt tso zis rectifier.Qee qhov kev ua tsis tiav no tuaj yeem tshwm sim los ntawm kev siv cov zis tawm ntawm +12 lossis -5 volt.Lub high voltage input diode kuj yuav luv luv.
Hais txog Khoom
Lub LMR16020 yog 60 V, 2 A SIMPLE SWITCHER® nqis nqis regulator nrog ib qho kev sib koom ua ke siab-sab MOSFET.Nrog rau ntau yam kev tawm tswv yim los ntawm 4.3 V rau 60 V, nws yog qhov tsim nyog rau ntau yam kev siv los ntawm kev lag luam mus rau tsheb rau lub zog txias los ntawm qhov chaw tsis raug cai.Lub regulator lub quiescent tam sim no yog 40 µA nyob rau hauv pw tsaug zog hom, uas yog haum rau roj teeb powered systems.Ib qho ultra-low 1 µA tam sim no hauv hom kaw tuaj yeem ua rau lub roj teeb ntev dua.Ib tug dav adjustable switching zaus ntau tso cai rau tej efficiency los yog sab nraud tivthaiv loj kom optimized.Internal voj them nyiaj txhais tau hais tias tus neeg siv yog dawb los ntawm tedious ua hauj lwm ntawm lub voj kev them nyiaj tsim.Qhov no kuj txo qis cov khoom siv sab nraud ntawm lub cuab yeej.Lub precision enable input tso cai rau yooj yim ntawm regulator tswj thiab system hwj chim sequencing.Cov cuab yeej tseem muaj cov yam ntxwv tiv thaiv xws li lub voj voog-los ntawm-lub voj voog tam sim no txwv, thermal sensing thiab kaw vim muaj hluav taws xob ntau dhau, thiab kev tiv thaiv kev tiv thaiv overvoltage.
Lub LMR16020 muaj nyob rau hauv 8-pin HSOIC pob nrog cov ntaub qhwv rau cov thermal tsis tshua muaj.
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