Tlhaloso: ULN2003APWR50-V
Tlhaloso: ULN2003APWR50-V
Setšoantšo sa ULN2003A
500-mA-Reted Collector ea Hona Joale (Sephetho se le Mong)
Liphello tsa matla a phahameng: 50 V
Li-Diode tsa Output Clamp
Litlhahiso li tsamaellana le mefuta e fapaneng ea kelello
Likopo tsa Relay-Driver
Setšoantšo sa ULN2003A
Lisebelisoa tsa ULx200xA li na le li-transistor tsa Darlington tse phahameng, tse phahameng hona joale.E 'ngoe le e 'ngoe e na le lipara tse supileng tsa NPN Darlington tse nang le lisebelisoa tse phahameng tsa motlakase tse nang le li-clamp diode tse tloaelehileng tsa cathode bakeng sa ho fetola meroalo e matla.
Tekanyetso ea 'mokelli oa para e le' ngoe ea Darlington ke 500 mA.Lipara tsa Darlington li ka bapisoa bakeng sa bokhoni bo phahameng ba hajoale.Likopo li kenyelletsa likhanni tsa li-relay, lihamore, likhanni tsa mabone, likhanni tse bonts'ang (LED le khase e tsoang), li-line driver le li-logic buffers.SLRS023Lethathamo la lintlha tsa SN75468 le SN75469devices
Sesebelisoa sa ULN2002A se etselitsoe hore se sebelisoe ka lisebelisoa tsa 14-V to25-V PMOS.Kenyelletso e 'ngoe le e' ngoe ea sesebelisoa sena e na le diode ea Zener le mohanyetsi ka tatellano ho laola ho kenya hona joale ho isa moeling o bolokehileng.Lisebelisoa tsa ULx2003A li na le 2.7-kΩ series resistor bakeng sa para e 'ngoe le e 'ngoe ea Darlington bakeng sa ho sebetsa ka ho toba ka lisebelisoa tsa TTL kapa 5-V CMOS.
Lisebelisoa tsa ULx2004A li na le 10.5-kΩ series base resistor ho lumella ts'ebetso ka ho toba ho tloha ho lisebelisoa tsa CMOS tse sebelisang matla a phepelo ea 6 V ho ea ho 15 V. Nako e hlokahalang ea ho kenya letsoho ea ULx2004Adevice e ka tlase ho lisebelisoa tsa ULx2003A, 'me motlakase o hlokahalang o ka tlaase ho moo. e hlokoang ke sesebelisoa sa ULN2002A.
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
