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lihlahisoa

Lisebelisoa tse ncha le tsa mantlha tsa elektroniki, tse rekisoang ka ho chesa Power Management ICs HTSSOP-14 LM5010 LM5010MHX/NOPB

tlhaloso e khuts'oane:

The LM5010 step-down switching regulator e na le mesebetsi eohle e hlokahalang ho kenya ts'ebetsong molaoli oa theko e tlase, o sebetsang hantle, o khonang ho fana ka thepa e fetang 1-A ea hona joale.Taolo ena ea matla a phahameng e na le N-Channel Buck Switch, 'me e fumaneha ka har'a liphutheloana tse ntlafalitsoeng tsa 10-pin WSON le 14-pin HTSSOP.Sekema sa taolo ea hysteretic ha se hloke matšeliso a loop, se bakang karabelo ea nakoana ea mojaro, mme se nolofatsa ts'ebetso ea potoloho.Maqhubu a ts'ebetso a lula a tšoana le mela le meroalo e fapaneng ka lebaka la kamano e fapaneng pakeng tsa motlakase oa ho kenya letsoho le ON-time.Ho bona moeli oa hona joale oa phula e behiloe ho 1.25 A. Lintlha tse ling li kenyelletsa: VCC undervoltage lockout, thermal shutdown, gate drive undervoltage lockout, le maximum duty cycle limiter.


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Litšobotsi tsa Sehlahisoa

MOFUTA TLHALOSO
Sehlopha Lipotoloho tse Kopantsoeng (ICs)PMIC - Voltage Regulators - DC DC Switching Regulators
Mfr Lisebelisoa tsa Texas
Letoto 94Tu be
Sephutheloana Theipi le Reel (TR)Seha Tape (CT)

Digi-Reel®

SPQ  
Boemo ba Sehlahiswa E sebetsa
Mosebetsi Phahamisa
Tlhophiso ea Sephetho E ntle
Topology Buck
Mofuta oa Sephetho E ka fetoha
Palo ea Litholoana 1
Voltage - Kenyo (Mots) 8V
Voltage - Kenyo (Boholo) 75V
Voltage - Output (Min/Fixed) 2.5V
Voltage - Output (Boholo) 70V
Hajoale - Sephetho 1A
Khafetsa - Ho fetoha 100kHz ~ 1MHz
Synchronous Rectifier No
Mocheso oa ho sebetsa -40°C ~ 125°C (TJ)
Mofuta oa ho Beha Thaba e kaholimo
Sephutheloana / Taba 14-TSSOP (0.173", 4.40mm Width) Letlapa le pepesitsoeng
Sephutheloana sa Sesebelisoa sa Bafani 14-HTSSOP
Nomoro ea Sehlahisoa sa Motheo LM5010

Mosebetsi o ka Sehloohong

Mosebetsi o ka sehloohong oa motlakase oa motlakase.
1. Ho tsitsisa ha motlakase.
Ha motlakase oa marang-rang o fetoha hang-hang, motlakase oa motlakase o tla lefella amplitude ea motlakase ka lebelo la ho arabela la 10-30ms, e leng se etsang hore e tsitse ka hare ho ± 2%.
2. tshireletso e kopanetsweng ya mesebetsi e mengata.
Motlakase oa motlakase ho kenyelletsa botsitso ba mantlha ba ts'ebetso ea motlakase le ona o lokela ho ba le ts'ireletso ea overvoltage (ho feta +10% ea motlakase o tsoang), ts'ireletso e tlase ea motlakase (ka tlase ho -10% ea motlakase o tsoang), ts'ireletso ea ho hloleha ha mohato. , tšireletso ea overload ea potoloho e khuts'oane mesebetsi ea ts'ireletso ea mantlha ka ho fetisisa.
3. Spike pulse khatello (ho ikhethela).
Ka linako tse ling marang-rang a matla a na le amplitude e phahameng haholo, bophara ba pulse ke spike pulse e moqotetsane haholo, 'me e tla phunyeletsa motlakase o tlase o mamella likarolo tsa elektroniki.Likarolo tse khahlanong le ts'ebetso ea phepelo ea motlakase e laoloang li ka bapala karolo e ntle haholo ho hatelleng maqhubu a bohale joalo.
4. ho itšehla thajana ha conductive EMI electromagnetic interference (ho ikhethela).
Lisebelisoa tsa CNC ho feta AC/DC rectifier + PFC high-frequency power factor correction, ka boeona palo e itseng ea tšitiso ka nako e tšoanang mohloli oa tšitiso e boetse e na le litlhoko tse thata.Likarolo tse laoloang tsa filthara ea phepelo ea motlakase li ka arola tšitiso ea grid ho lisebelisoa ka nako e ts'oanang li ka boela tsa arola tšitiso ea lisebelisoa ho grid.
5. tšireletso ea lehalima (ho ikhethela).
E lokela ho ba le bokhoni ba ho itšireletsa khahlanong le ho otla ha lehalima.

Lihlopha

DC voltage regulator e ka aroloa ka mekhahlelo e 'meli.

1, mofuta oa ho fetola
Mofuta o fapaneng oa phepelo ea motlakase o tsitsitseng ho tsoa ho phepelo ea motlakase e laoloang ke linear ke mofuta oa switching DC o laoloang ke phepelo ea motlakase, e nang le mofuta oa potoloho ea flyback e phethiloeng e le 'ngoe, e eang pele, halofo ea borokho, push-pull le borokho bo felletseng.Phapang ea mantlha lipakeng tsa sena le phepelo ea motlakase ea mohala ke hore transformer ha e sebetse ka maqhubu a ts'ebetso empa mashome a kilohertz ho ea ho megahertz e 'maloa.Mosebetsi oa tube ha o sebetse sebakeng sa saturation le sehiloeng seo e leng boemo ba ho fetoha;switjha phepelo ya matla ka tsela eo.

2, Linear
Linear voltage regulator e na le tšobotsi e tloaelehileng ka hore sesebelisoa sa eona sa motlakase se sebetsa sebakeng sa linear, se itšetlehile ka ho theoha ha motlakase pakeng tsa tube ea regulator ho tsitsisa tlhahiso.Ka lebaka la tahlehelo e kholo ea static ea tube ea regulator, sekoti se seholo sa mocheso se hloka ho kenngoa ho senya mocheso ho sona.Transformer e boetse e boima ho feta hobane e sebetsa ho 50Hz.

Melemo ea mofuta ona oa phepelo ea matla ke botsitso bo phahameng, ripple e nyane, ts'epo e phahameng, e bonolo ho e etsa tse ngata, tlhahiso e tsoelang pele e fetohang ea sehlahisoa se felileng.Mefokolo ke hore li kholo, li ngata, 'me ha li sebetse hantle.Mofuta ona oa phepelo ea motlakase o tsitsitseng mme ho na le mefuta e mengata, ho tloha ka sebopeho sa tlhahiso e ka aroloa ka phepelo ea motlakase e tsitsitseng le phepelo ea motlakase e tsitsitseng le sete ea botsitso ba motlakase, botsitso ba hona joale ka motlakase o tsitsitseng, le hona joale (tse peli tse tsitsitseng. ) phepelo ea motlakase.Boleng ba tlhahiso bo ka aroloa ka phepelo ea motlakase ea lintlha tse tsitsitseng, band switch-adjustable, le potentiometer e feto-fetohang ka mefuta e mengata.Ho tsoa ho tlhahiso, ponts'o e ka aroloa ka mofuta oa ponts'o le mofuta oa ponts'o ea dijithale, joalo-joalo.

Tsebisa

Lisebelisoa tsa motlakase tsa DC.
Melemo ea ho chencha lisebelisoa tsa motlakase ke boholo ba tsona bo nyane, bo bobebe, botsitso le ts'epahalo.Li fumaneha ka mekhahlelo ea matla ho tloha ho li-watts tse seng kae ho ea ho li-kilowatts tse 'maloa.Mona ke lisebelisoa tse 'maloa tsa ho fetola motlakase
1. Lisebelisoa tsa motlakase tsa puisano
Motlakase oa puisano ha e le hantle ke motlakase oa mofuta oa DC/DC converter, empa ka kakaretso ke motlakase oa DC-48V kapa -24V, le betri ea "backup" bakeng sa phepelo ea motlakase ea DC, motlakase oa phepelo ea DC ho motlakase oa potoloho ea potoloho, hangata ke e arotsoe ka phepelo ea motlakase bohareng, phepelo ea matla a layered, le phepelo e le 'ngoe ea boto e meraro, ea ho qetela ke eona e tšepahalang ka ho fetisisa.
2. AC/DC
Mofuta ona oa phepelo ea motlakase, o tsejoang hape e le phepelo ea motlakase oa mantlha, o fumana matla ho tsoa ho marang-rang a motlakase mme o fumana motlakase o phahameng oa DC ka ho lokisoa ha motlakase o phahameng le ho sefa bakeng sa converter ea DC/DC ho fumana motlakase o le mong kapa tse 'maloa tse tsitsitseng tsa DC ha ho hlahisoa, ka matla ho tloha ho li-watts tse 'maloa ho isa ho li-kilowatts tse' maloa.Ho na le mefuta e mengata e fapaneng ea litlhaloso bakeng sa lihlahisoa tse joalo, 'me matla a mantlha (AC220 input, DC48V, kapa 24V output) phepelong ea motlakase ea puisano le eona ke ea mofuta ona, ho itšetlehile ka litlhoko tsa mosebedisi.
3. Motlakase oa motlakase
Ka tsoelo-pele e potlakileng ea saense le thekenoloji, ho tšepahala ha phepelo ea matla, 'me karo-karolelano ea bokhoni / bophahamo ba modumo e ntse e eketseha, phepelo ea motlakase ea mojulung e ntse e eketseha ho bontša bophahamo ba eona, e sebetsa ka maqhubu a phahameng, boholo bo nyane, ho tšepahala ho phahameng, ho kenya habonolo. 'me motsoako oa katoloso, kahoo ho sebelisoa haholo le ho feta ho pharaletseng.Leha ho na le tlhahiso ea mojule ea lapeng e tsamaellanang, hobane ts'ebetso ea tlhahiso ha e so kopane le boemo ba machabeng, sekhahla sa ho hloleha se phahame.
4. Phepelo ea motlakase ea seea-le-moea
Motlakase oa motlakase oa seea-le-moea AC220V/110V, tlhahiso ea DC13.8V, matla ka matla a seteishene sa seea-le-moea, li-amps tse seng kae, le makholo a li-amps lia fumaneha.Ho thibela ho hloleha ha matla a marang-rang a AC ho ama mosebetsi oa seea-le-moea, 'me ho hlokahala hore ho be le pakete ea betri e le bekapo, kahoo mofuta ona oa phepelo ea motlakase ntle le tlhahiso ea motlakase oa 13.8V DC o boetse o na le ts'ebetso ea ho fetolela othomathike ea betri.
5. DC/DC
Sistimi ea puisano, e tsejoang hape e le phepelo ea motlakase ea bobeli, ke phepelo ea motlakase ea mantlha kapa pakete ea betri ea DC ho fana ka motlakase oa motlakase oa DC, kamora phetoho ea DC / DC ka lehlakoreng la tlhahiso ho fumana motlakase oa DC kapa li-voltages tse 'maloa tsa DC.
Le hoja motlakase oa motlakase oa DC / DC o theko e boima haholo, ho ea ka pono ea litšenyehelo tse akaretsang tsa potoloho e telele ea kopo ea sehlahisoa, haholo-holo ka lebaka la ho hlōleha ha tsamaiso le litšenyehelo tse phahameng tsa tlhokomelo le tahlehelo ea kamohelo, khetho ea mochine oa motlakase. e ntse e na le litšenyehelo tse ngata, hape ho bohlokoa ho bolela mona ke potoloho ea Roche converter, molemo oa eona o ikhethang ke sebopeho se bonolo sa potoloho, ts'ebetso e phahameng le matla a phallo le boleng ba hona joale ba ripple haufi le zero.
6. Lisebelisoa tse khethehileng tsa matla
Lisebelisoa tsa motlakase tse phahameng le tse fokolang hona joale, lisebelisoa tse phahameng tsa hona joale tsa motlakase, lisebelisoa tsa 400Hz tsa AC/DC tsa motlakase, joalo-joalo li ka aroloa joalo 'me li ka khethoa ho latela litlhoko tse khethehileng.

Mabapi le Lihlahisoa

The LM5010 step-down switching regulator e na le mesebetsi eohle e hlokahalang ho kenya ts'ebetsong molaoli oa theko e tlase, o sebetsang hantle, o khonang ho fana ka thepa e fetang 1-A ea hona joale.Taolo ena ea matla a phahameng e na le N-Channel Buck Switch, 'me e fumaneha ka har'a liphutheloana tse ntlafalitsoeng tsa 10-pin WSON le 14-pin HTSSOP.Sekema sa taolo ea hysteretic ha se hloke matšeliso a loop, se bakang karabelo ea nakoana ea mojaro, mme se nolofatsa ts'ebetso ea potoloho.Maqhubu a ts'ebetso a lula a tšoana le mela le meroalo e fapaneng ka lebaka la kamano e fapaneng pakeng tsa motlakase oa ho kenya letsoho le ON-time.Ho bona moeli oa hona joale oa phula e behiloe ho 1.25 A. Lintlha tse ling li kenyelletsa: VCC undervoltage lockout, thermal shutdown, gate drive undervoltage lockout, le maximum duty cycle limiter.


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