TPS548B22RVFR LQFN-40 Lisebelisoa tsa elektronike tse kopantsoeng tsa potoloho ea 1.5V-18V
TPS548B22RVFR LQFN-40 Lisebelisoa tsa elektronike tse kopantsoeng tsa potoloho ea 1.5V-18V
Setšoantšo sa TPS548B22
●Conversion Input Voltage Range (PVIN): 1.5 V ho ea ho 18 V
● Input Bias Voltage (VDD) Sebaka: 4.5 V ho isa ho 22 V
● Output Voltage Range: 0,6 V ho 5.5 V
● Li-MOSFET tsa Matla tse Kopantsoeng, 4.1-mΩ le 1.9-mΩ Matla a 25-A Tsoelo-pele ea Hona Joale
● Voltage Reference 0.6 V to 1.2 V in 50-mV Mehato e Sebelisa VSEL Pin
●±0.5%, 0.9-VREFMamello Range: -40 ° C ho + 125 ° C Junction Mocheso
●True Differential Remote Sense Amplifier
●D-CAP3™ Control Loop ho Tšehetsa Li-Large Bulk Capacitor le/kapa li-MLCC tse Nyenyane Ntle le Matšeliso a Ntle.
● Taolo ea Nako e Ikamahanyang le Litlhophiso tse 4 tsa Maqhubu a Khethoang: 425 kHz, 650 kHz, 875 kHz le 1.05 MHz
● Mocheso o Lefisitsoe, 'me ka Programmable Positive le Negative Current Limit le OC Clamp
● Khetho ea Hiccup kapa Latch-Off OVP kapa UVP
● VDD UVLO Phetoho ea Kantle ka Precision EN Hysteresis
● Tšehetso ea ho Qala ea Prebias
● Eco-Mode le FCCM Selectable
●Tlhahiso e Feletseng ea Tšireletso ea Phoso le PGOOD
●7 mm × 5 mm × 1.5 mm, 40-Pin, Sephutheloana sa Stack Clipped LQFN-CLIP
Setšoantšo sa TPS548B22
Sesebelisoa sa TPS548B22 ke sesebelisoa sa compact buck converter se nang le taolo ea nako, ea D-CAP3.E etselitsoe ho nepahala ho phahameng, ho sebetsa hantle haholo, karabelo ea nakoana e potlakileng, bonolo ba ts'ebeliso, palo e tlase ea likarolo tsa kantle, le lisebelisoa tsa motlakase tse hlokomelang sebaka.
Sesebelisoa sena se na le kutloisiso e felletseng, li-FET tse kopantsoeng tsa TI tse nang le khanyetso e phahameng ea 4.1 mΩ le khanyetso e tlase ea 1.9 mΩ.Sesebelisoa se boetse se na le 0.5% e nepahetseng, 0.9-V e nang le mocheso oa mocheso o pakeng tsa -40 ° C le + 125 ° C. Likarolo tsa tlhōlisano li kenyelletsa: palo e tlaase haholo ea likarolo tse ka ntle, taolo e nepahetseng ea mojaro le lineregulation, ho nepahala ha setpoint voltage, auto- skip kapa FCCM mode operation, le internalsoft-start control.
Sesebelisoa sa TPS548B22 se fumaneha ka har'a 7 mm × 5 mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exemption).
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
