taelo_bg

lihlahisoa

TPS54331DR e kopantsoeng ea Circuit IC chip

tlhaloso e khuts'oane:

Sesebelisoa sa TPS54331 ke 28-V, 3-A non synchronous buck converter e kopanyang RDS e tlase (ho) MOSFET e lehlakoreng le phahameng.Ho eketsa ts'ebetso ea mejaro e bobebe, karolo ea "pulse skipping Eco-mode" e kentsoe tšebetsong ka bo eona.Ho feta moo, phepelo ea 1-μA ea ho koala e lumella sesebelisoa hore se sebelisoe lits'ebetsong tse tsamaisoang ke betri.Taolo ea mokhoa oa hajoale ka matšeliso a ka hare a moepa o nolofatsa lipalo tsa matšeliso a kantle le ho fokotsa palo ea likarolo ha o ntse o lumella tšebeliso ea li-capacitor tsa ceramic output.Sehlahisoa sa resistor se hlophisa hysteresis ea input undervoltage lockout.Sekepe sa ts'ireletso sa overvoltage se fokotsa ho feta ha voltage nakong ea ho qala le maemo a nakoana.Sekema sa cycle-by-cycle current-limit scheme, foldback frequency le thermal shutdown e sireletsa sesebelisoa le mojaro ha ho ka ba le boemo bo feteletseng.
Sesebelisoa sa TPS54331 se fumaneha ka har'a sephutheloana sa SOIC sa li-8-pin le sephutheloana sa SO PowerPAD sa 8-pin tse ntlafalitsoeng ka hare ho ntlafatsa ts'ebetso ea mocheso.


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Litšobotsi tsa Sehlahisoa

MOFUTA

TLHALOSO

Sehlopha

Lipotoloho tse Kopantsoeng (ICs)

PMIC - Voltage Regulators - DC DC Switching Regulators

Mfr

Lisebelisoa tsa Texas

Letoto

Eco-Mode™

Sephutheloana

Theipi le Reel (TR)

Seha Tape (CT)

Digi-Reel®

Boemo ba Sehlahiswa

E sebetsa

Mosebetsi

Phahamisa

Tlhophiso ea Sephetho

E ntle

Topology

Buck

Mofuta oa Sephetho

E ka fetoha

Palo ea Litholoana

1

Voltage - Kenyo (Mots)

3.5V

Voltage - Kenyo (Boholo)

28V

Voltage - Output (Min/Fixed)

0.8V

Voltage - Output (Boholo)

25V

Hajoale - Sephetho

3A

Khafetsa - Ho fetoha

570kHz

Synchronous Rectifier

No

Mocheso oa ho sebetsa

-40°C ~ 150°C (TJ)

Mofuta oa ho Beha

Thaba e kaholimo

Sephutheloana / Taba

8-SOIC (0.154", 3.90mm Bophara)

Sephutheloana sa Sesebelisoa sa Bafani

8-SOIC

Nomoro ea Sehlahisoa sa Motheo

TPS54331

SPQ

2500/pcs

Li-switching regulators ke mokhoa o sebetsang ka ho fetesisa oa ho fetolela motlakase o le mong oa DC ho o mong oa DC.'Me ho pholletsa le li-topology tsohle tsa DC/DC tseo e seng tse ikhethileng - buck, boost, buck-boost le inverting - re u thusa ho holisa ts'ebetso ea motlakase oa hau oa IC ka khetho e kholo ka ho fetisisa indastering ea li-converter tsa DC/DC, li-module tsa motlakase le li-controller.

Matla a matla

Matla a mangata, sebaka se senyenyane sa boto.E totobalitsoe ke lelapa la SWIFT ™ buck regulator, potefolio ea rona ea lisebelisoa tsa matla a phahameng a matla li kopantsoe haholo, li na le lisebelisoa tse sebetsang hantle haholo le bokhoni bo phahameng ba hona joale ba ho paka ka har'a komporo e ntlafalitsoeng ka mocheso.
Li-switching regulator tse phahameng haholo ke khetho e ntle ea ho matlafatsa meroalo ea morao-rao ea dijithale joalo ka li-FPGA le li-processor.Sebelisa sesebelisoa sa rona sa ho hokela processor ho fumana lihlahisoa tse ntle ka ho fetisisa tse tlatselletsang FPGA kapa processor ea hau.

EMI e tlase

Ho fokotsa switching regulator EMI e ka ba phephetso e kholo ho baqapi ba bangata ba phepelo ea motlakase.Lisebelisoa tse nang le mahlale a hahelletsoeng ka har'a EMI-phokotso li boloka nako ea moralo ha li ntse li u thusa ho latela maemo a thata joalo ka CISPR 25 Class-5.Sheba lihlahisoa tsa rona tse hlahang ka tlase bakeng sa tse ling tsa morao-rao le tse ntle ka ho fetisisa tsa li-switch tsa DC/DC bakeng sa ts'ebetso ea EMI.

Nako e tlase e khutsitseng (IQ)

Lilaoli tsa li-switching tsa DC/DC tse nang le matla a tlase a khutsitseng li eketsa katleho ea mojaro o bobebe le ho lelefatsa bophelo ba betri lits'ebetsong tse nkehang habonolo le tse tsamaisoang ke betri.Fumana tse ling tsa lisebelisoa tse tlase tsa IQ ho portfolio ea rona ea switcher ka tlase.

Lerata le tlase le ho nepahala

Li-switching regulators tse tloaelehileng li hloka LDO ea post-regulator ho matlafatsa li-ADC le li-AFE tse phahameng.Empa ka ts'ebetso e ntle ka ho fetisisa ea lerata le ts'ebetso ea ripple, TPS62912 le TPS62913 li u lumella ho tlosa LDO ea lerata le tlase lits'ebetsong tse ngata, ho boloka sebaka sa PCB le litšenyehelo ka kakaretso ha u ntse u ntlafatsa ts'ebetso ea sistimi.


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  • E 'ngoe:

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