LM22672MRX-ADJ/NOPB SOP-8 Likarolo tsa elektronike tse kopantsoeng potolohong ea "Voltage regulator chip"
LM22672MRX-ADJ/NOPB SOP-8 Likarolo tsa elektronike tse kopantsoeng potolohong ea "Voltage regulator chip"
Setšoantšo sa LM22672
● Wide Input Voltage Range: 4.5 V ho 42V
●Taolo ea Mokhoa oa Voltage o Lefshoang ka Hare
●E tsitsitseng ka Low ESR Ceramic Capacitors
●200 mΩ N-Channel MOSFET
●Likhetho tsa Output Voltage:
-ADJ (Lits'oants'o tse tlase joalo ka 1.285 V)
-5.0 (Sephetho se Lokisitsoe ho 5 V)
●± 1.5% Feedback Reference Accuracy
●500 kHz Maqhubu a Fetohang a ho Fetola
●Maqhubu a Fetohang a Fetohang le Kamahanyo
●–40°C ho 125°C Junction Mocheso Range
●Precision Nuble Input
●Diode e kopantsoeng ea Boot-Strap
●Adjustable Soft-Start
●WEBENCH® e Matlafalitsoe ka ho Fetisisa
●LM22672-Q1 ke Sehlahisoa sa Kereiti ea Likoloi
ke hore AEC-Q100 Kereiti ea 1 e Tšoanelehile (–40°C ho ea +125°C
Junction Temperature)
●SO PowerPAD (Pad e pepesitsoeng)
Setšoantšo sa LM22672
LM22672 switching regulator e fana ka mesebetsi eohle e hlokahalang ho kenya ts'ebetsong molaoli o sebetsang hantle oa ho theoha ha motlakase (buck) o sebelisang bonyane ba likarolo tsa kantle.Taolo ena e bonolo ho e sebelisa e kenyelletsa sesebelisoa sa MOSFET sa 42 V N-channel se khonang ho fana ka 1 A ea mojaro oa hajoale.Taolo e ntle haholo ea mohala le mojaro hammoho le ts'ebetso e phahameng (> 90%) e hlahisoa.Taolo ea mokhoa oa motlakase e fana ka bonyane ka nako e khuts'oane, e lumellang karo-karolelano e pharalletseng lipakeng tsa li-voltage tse kenang le tse tsoang.Matšeliso a ka hare a loop a bolela hore mosebelisi ha a na mosebetsi o boima oa ho bala likarolo tsa matšeliso a loop.Tlhahiso e tsitsitseng ea 5 V le likhetho tsa motlakase tse feto-fetohang lia fumaneha.
Maqhubu a feto-fetohang a behiloe ho 500 kHz e lumellang likaroloana tse nyane tsa kantle le karabelo e ntle ea nakoana.Ho feta moo, maqhubu a ka fetoloa ho feta 200 kHz ho 1 MHz ka mochine o le mong oa kantle.Oscillator e ka hare e ka amahanngoa le oache ea tsamaiso kapa ho oscillator ea molaoli e mong.Ho kenya letsoho ka nepo ho lumella ho nolofatsa taolo ea balaoli le tatellano ea matla a sistimi.Ka mokhoa oa ho koala, molaoli o hula 25 µA feela (mofuta).Sebopeho se feto-fetohang sa ho qala ka bonolo se fanoa ka khetho ea capacitor e le 'ngoe ea kantle.LM22672 e boetse e hahile ho koala ha mocheso, le moeli oa hona joale oa ho itšireletsa khahlanong le ho jara ka phoso.
LM22672 ke setho sa lelapa la Texas Instruments' SIMPLE SWITCHER®.Mohopolo oa SIMPLE SWITCHER® o fana ka mokhoa o bonolo oa ho sebelisa moqapi o feletseng o sebelisa bonyane ba likarolo tse ka ntle le sesebelisoa sa moralo sa TI WEBENCH®.TI's WEBENCH® sesebelisoa se kenyelletsa likarolo tse kang lipalo tsa likarolo tse kantle, ketsiso ea motlakase, ketsiso ea mocheso, le liboto tsa Build-It bakeng sa ho rala habonolo.
1. Basebetsi lefapheng la hau la R & D ke bo-mang?Litšoaneleho tsa hau ke life?
-R & D Motsamaisi: etsa moralo oa nako e telele oa R & D oa k'hamphani le ho utloisisa tataiso ea lipatlisiso le nts'etsopele;Tataisa le ho hlokomela lefapha la r&d ho kenya tšebetsong leano la r&d la k'hamphani le moralo oa selemo le selemo oa R&D;Laola tsoelopele ea nts'etsopele ea lihlahisoa le ho lokisa moralo;Theha sehlopha se hloahloa sa lipatlisiso le nts'etsopele ea sehlahisoa, tlhahlobo le koetliso e amanang le basebetsi ba botekgeniki.
Mookameli oa R & D: etsa moralo oa sehlahisoa se secha sa R & D 'me u bontše ho khoneha ha moralo;Laola le ho laola tsoelopele le boleng ba mosebetsi oa r&d;Batlisisa ntshetsopele ya sehlahiswa se secha mme o sisinye ditharollo tse sebetsang ho ya ka ditlhoko tsa bareki mafapheng a fapaneng
Basebetsi ba R&d: bokella le ho hlophisa lintlha tsa bohlokoa;Lenaneo la khomphutha;Ho etsa liteko, liteko le ho sekaseka;Lokisetsa lisebelisoa le lisebelisoa bakeng sa liteko, liteko le litlhahlobo;Rekota lintlha tsa tekanyo, etsa lipalo le ho lokisa lichate;Etsa lipatlisiso tsa lipalo-palo
2. Maikutlo a hau a lipatlisiso le nts'etsopele ea sehlahisoa ke afe?
- Maikutlo a sehlahisoa le mohopolo oa sehlahisoa sa khetho le tlhahlobo ea tlhaloso ea sehlahisoa le moralo oa moralo oa projeke le tlhahlobo ea ntlafatso ea sehlahisoa le ho qala ho netefatsa 'marakeng
