TPS54336ADDAR SEBELISA 4.5V ho isa ho 28V Input 3A Synchronous Step-Down Converter with Eco-mode(tm)
TPS54336ADDAR SEBELISA 4.5V ho isa ho 28V Input 3A Synchronous Step-Down Converter with Eco-mode(tm)
Setšoantšo sa TPS54336A
● Synchronous 128-mΩ le 84-mΩ MOSFETs bakeng sa
3-Sephetho se Tsoelang Pele sa Hona Joale
●TPS54335A: Ka hare 2-ms Soft-Start,
50-kHz ho isa ho 1.5-MHz Frequency e Fetohang
●TPS54336A: Adjustable Soft-Start,
Maqhubu a tsitsitseng a 340-kHz
● Ho Koaloa ha 2-µA Tlase, Hona Joale Ho Khutsitse
● 0.8-V Voltage Reference e nang le ±0.8%
Ho nepahala
● Taolo ea Mokhoa oa Hona Joale
● Ho qala ha Monotonic ho Lits'oants'o tsa Pele ho Biased
● Pulse Skipping for Light-Load Effective
● Hiccup Mode Tšireletso ea Overcurrent
● Thermal Shutdown (TSD) le
Tšireletso ea Overvoltage Transition
●8-Pin SO PowerPAD le 10-Pin VSON Packages
Setšoantšo sa TPS54336A
Lelapa la lisebelisoa tsa TPS5433xA ke li-synchronous converters tse nang le "input-voltage range" tsa 4.5 ho ea ho 28 V. Lisebelisoa tsena li kenyelletsa FET e kopantsoeng e tlaase ea lehlakoreng le tlaase e felisang tlhokahalo ea diode e ka ntle e fokotsang palo ea likarolo.
Bokhoni bo matlafatsoa ka li-MOSFET tse 128-mΩ le 84-mΩ tse kopantsoeng, IQ e tlase le ho tlola lebelo ha meroalo e bobebe.U sebelisa pini ea ho nolofalletsa, nako ea phepelo ea ho koala e fokotsehile ho 2 μA.Mofetoleli ona oa ho theola (buck) o fana ka taolo e nepahetseng bakeng sa mefuta e fapaneng ea meroalo e nang le referense ea motlakase e laoloang hantle e leng 1.5% ho feta mocheso.
Meeli ea hona joale ea cycl-by-cycle ho MOSFET e lehlakoreng le phahameng e sireletsa lelapa la lisebelisoa tsa TPS5433xA maemong a mangata mme e matlafatsoa ke moeli oa hajoale oa ho fumana chelete o thibelang ho baleha hona joale.Moeli o tlase oa lehlakoreng le tlase o tima MOSFET e lehlakoreng le tlase ho thibela hona joale ho khutlela morao.Tšireletso ea hiccup e hlahisoa haeba boemo ba overcurrent bo tsoela pele ka nako e telele ho feta nako e behiloeng pele.Thermal shutdown e tima sesebelisoa ha mocheso oa mocheso o feta moeli 'me o nolofalletsa sesebelisoa hape ka mor'a nako ea hiccup e hahiloeng ka har'a mocheso.
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
