I-TLV70218DBVR entsha neyoqobo ye-TLV70218DBVR Izilawuli ezincane zokuthengiswa kwesekethe ye-MCU SMD i-flash IC chips ingalo BOM
Izimfanelo Zomkhiqizo
| UHLOBO | DESCRIPTION | KHETHA |
| Isigaba | Izifunda Ezihlanganisiwe (ICs) PMIC - Voltage Regulators - Linear |
|
| Mfr | Texas Instruments |
|
| Uchungechunge | - |
|
| Iphakheji | I-Tape & Reel (TR) Cut Tape (CT) I-Digi-Reel® |
|
| Isimo somkhiqizo | Iyasebenza |
|
| Ukucushwa Kokukhiphayo | Okuhle |
|
| Uhlobo Lokukhiphayo | Kulungisiwe |
|
| Inombolo Yabalawuli | 1 |
|
| I-Voltage - Okokufaka (Ubukhulu) | 5.5V |
|
| I-Voltage - Okukhiphayo (Okuncane/Okulungisiwe) | 1.8V |
|
| I-Voltage - Okukhiphayo (Ubukhulu) | - |
|
| I-Voltage Dropout (Ubukhulu) | 0.38V @ 300mA |
|
| Okwamanje - Okukhiphayo | 300mA |
|
| Okwamanje - Quescent (Iq) | 55µA |
|
| Okwamanje - Ukunikezwa (Ubukhulu) | 370µA |
|
| I-PSRR | 68dB (1kHz) |
|
| Lawula izici | Nika amandla |
|
| Izici Zokuvikela | Ngaphezulu Kwamanje, Ngaphezu Kwezinga Lokushisa, I-Reverse Polarity, Ngaphansi Kwe-Voltage Lockout (UVLO) |
|
| Izinga Lokushisa Lokusebenza | -40°C ~ 125°C (TJ) |
|
| Uhlobo Lokukhweza | INtaba Engaphezulu |
|
| Iphakheji / Ikesi | I-SC-74A, SOT-753 |
|
| Iphakheji Yedivayisi Yomhlinzeki | I-SOT-23-5 |
|
| Inombolo Yomkhiqizo Eyisisekelo | I-TLV70218 | |
| SPQ | 3000PCS |
Isilawuli somugqa
Kuelectronics, isilawuli somugqa ngu-i-voltage regulatoresetshenziselwa ukugcina i-voltage engaguquki.[1]Ukumelana nomlawuli kuyahlukahluka ngokuvumelana kokubili i-voltage yokufaka kanye nomthwalo, okuholela ekuphumeni kwe-voltage njalo.Isifunda esilawulayo siyahlukahlukaukumelana, ngokuqhubekayo ukulungisa aisihlukanisi se-voltageinethiwekhi ukuze kugcinwe i-voltage ephumayo engaguquki futhi iqhubeke nokuqeda umehluko phakathi kokufakwayo nama-voltage alawulwayo njengeukumosha ukushisa.Ngokuphambene, aukushintsha isilawuliisebenzisa idivayisi esebenzayo evula futhi ivale (i-oscilates) ukuze igcine inani elimaphakathi lokuphumayo.Ngenxa yokuthi i-voltage elawulwayo yesilawuli somugqa kufanele ngaso sonke isikhathi ibe ngaphansi kune-voltage yokufaka, ukusebenza kahle kulinganiselwe futhi i-voltage yokufaka kufanele ibe phezulu ngokwanele ukuze njalo ivumele idivayisi esebenzayo ukuthi yehlise i-voltage ethile.
Izilawuli zolayini zingase zibeke isisetshenziswa esilawulayo sifane nomthwalo (shuntisilawuli) noma ingase ibeke idivayisi elawulayo phakathi komthombo nomthwalo olawulwayo (isilawuli sochungechunge).Izilawuli zomugqa ezilula zingaqukatha okuncane njenge-aI-Zener diodekanye ne-resistor yochungechunge;izilawuli eziyinkimbinkimbi zihlanganisa izigaba ezihlukene zereferensi kagesi, isikhulisi sephutha kanye nesici sokudlula amandla.Ngoba lineari-voltage regulatoriyisici esivamile samadivayisi amaningi, izilawuli ze-single-chipICszivame kakhulu.Izilawuli zomugqa zingase futhi zenziwe ngama-assemblies of discrete solid-state nomai-vacuum tubeizingxenye.
Ngaphandle kwegama labo, abalawuli bomugqa bakhonaizifunda ezingezona zomugqangoba aqukethe izingxenye ezingezona umugqa (njenge Zener diode, njengoba kukhonjisiwe ngezansi kuumlawuli we-shunt elula) futhi ngenxa yokuthi i-voltage ephumayo ayishintshile ngokufanelekile (futhi isekethe ephumayo engancikile ekufakeni kwayo iyisekhethi engaqondile.)[2]
Imifanekiso ye-TLV702
- Ukuyeka Okuphansi Kakhulu: Ukunemba okungu-2%.
- 37mv ngiPHUMA= 50 mA, VPHUMA= 2.8 V
- 75mv ngiPHUMA= 100 mA, VPHUMA= 2.8 V
- 220mV ku IPHUMA= 300 mA, VPHUMA= 2.8 V
- Low IQ:35µA
- Inhlanganisela Yamandla Amandla Angaguquki Okukhiphayo Okungenzeka ukusuka ku-1.2 V ukuya ku-4.8 V
- I-PSRR ephezulu: 68 dB ku-1 kHz
- Izinzile Ngekhono Eliphumelelayo lika-0.1 µF(1)
- Ukuvala i-Thermal kanye nokuvikelwa kwe-Overcurrent
- Amaphakheji: 5-Pin SOT-23 no-1.5-mm × 1.5-mm,
- 6-Phina i-WSON(1)
(1)Bheka Izidingo Ze-Capacitor Okokufaka kanye Neyokukhiphayo Kulwazi Lwesicelo.
Incazelo ye-TLV702
Uchungechunge lwe-TLV702 lwezilawuli zomugqa ze-low-dropout (LDO) zingamadivayisi amanje athule anolayini omuhle kakhulu nokusebenza kwesikhashana kokulayisha.Lawa ma-LDO enzelwe izinhlelo zokusebenza ezizwela amandla.I-bandgap enembile kanye ne-amplifier yamaphutha inikeza ukunemba okuphelele okungu-2%.Umsindo ophumayo ophansi, isilinganiso esiphezulu kakhulu sokunqatshwa kokunikezwa kwamandla (i-PSRR), kanye ne-voltage ephuma kancane yenza lolu chungechunge lwamadivayisi lulungele ukukhethwa okubanzi kwezinto eziphathwa ngesandla ezisebenza ngebhethri.Zonke izinguqulo zedivayisi zinokuvala shaqa okushisayo kanye nomkhawulo wamanje wokuphepha.
Ngaphezu kwalokho, lawa madivayisi azinzile anamandla okukhiphayo angu-0.1 µF kuphela.Lesi sici sinika amandla ukusetshenziswa kwama-capacitor angabizi anama-voltage aphezulu okuchema nokwehla kwezinga lokushisa.Amadivayisi alawula ukunemba okucacisiwe ngaphandle komthwalo ophumayo.
Uchungechunge lwe-TLV702P futhi luhlinzeka ngomjikelezo wokudonsa osebenzayo ukuze ukhiphe ngokushesha okuphumayo.
Uchungechunge lwe-TLV702 lwezilawuli zomugqa we-LDO ziyatholakala kumaphakheji we-SOT23-5 kanye no-1.5-mm × 1.5-mm WSON-6.
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