Tlhaloso: TPS54320RHLR
Likaroloana
1.E kopantsoe 57-mΩ / 50-mΩ MOSFETs
2.Split Power Rail: 1.6 ho 17 V ho PVIN
3.200-kHz ho 1.2-MHz Frequency ea ho Fetola
4.Schronizes ho External Clock
Reference ea Voltage ea 5.0.8-V Ka ± 1% Ho nepahala
6.Low 2-µA Shutdown Quiscent Current
7.Hiccup Overcurrent Tšireletso
8.Monotonic Start-up ho kena ka Liphello tsa Prebiased
9.–40°C ho isa ho 150°C Mocheso o sebetsang oa Junction
Range
1.Pin-to-Pin e Tsamaellana le TPS54620
2.Adjustable Slow Start / Power Sequencing
3.Power Good Output bakeng sa Undervoltage le
Overvoltage Monitoring
1.Adjustable Input Undervoltage Lockout (UVLO)
2.E tšehelitsoe ke SwitcherPro™ Software Tool
3. Bakeng sa SWIFT™ Tokomane le SwitcherPro,
Etela ho www.ti.com/swift
Theha Moralo o Tloaelehileng o Sebelisa TPS54320
Ka WEBENCH® Moqapi oa Matla
Lisebelisoa
1.Broadband, Marang-rang, le Puisano
Lisebelisoa tsa motheo
2.Automated Test and Medical Thepa
3.DSP le FPGA Point-of-Load Applications ho tloha
12-V Bese
Tlhaloso
TPS54320 ke 17-V e felletseng, 3-Asynchronous step-down converter e ntlafalitsoeng bakeng sa meralo e menyane ka ts'ebetso e phahameng le li-MOSFET tse kopaneng tse mahlakoreng a holimo le a tlase.Ho boloka sebaka se eketsehileng ho finyelloa ka ho laola mokhoa oa hona joale, o fokotsang palo ea likarolo, le ka
ho khetha maqhubu a phahameng a ho fetola, ho fokotsa maoto a inductor. The output voltage start-up ramp e laoloa ke SS/TR pin e lumellang ts'ebetso e le motlakase o ikemetseng kapa maemong a ho latela morao.Tatelano ea matla e ka khonahala hape ka ho hlophisa ka nepo sesebelisoa le matla a bulehileng a lithapo tse ntle.Cycle by cycle limiting current on the high-side FET e sireletsa sesebediswa maemong a moroalo o mongata mme e matlafatswa ke moedi wa hona jwale wa ho batla o thibelang ho baleha ha jwale.Tšireletso ea hiccup e hlahisoa haeba boemo ba overcurrent bo ntse bo tsoela pele nako e telele ho feta nako e behiloeng pele.Thermal shutdown e tima karolo ha mocheso oa mocheso o feta mocheso oa ho tima.TPS54320 e fumaneha ka 14-pin, 3.5-mm × 3.5-mm VQFN, sephutheloana se ntlafalitsoeng ka mocheso.Device Information PART NUMBER PACKAGE BODY SIZE (NOM) TPS54320 VQFN (14) 3.50 mm × 3.50 mm, bona liphutheloana tsohle tse fumanehang. tlatsetso e ka hlophisoang qetellong ea leqephe la data.
