TLV70218DBVR sababbi kuma na asali TLV70218DBVR Haɗaɗɗen tallace-tallacen tallace-tallace microcontrollers MCU SMD abubuwan ɓangarorin IC kwakwalwan kwamfuta hannu BOM
Halayen Samfur
| TYPE | BAYANI | Zabi |
| Kashi | Haɗin kai (ICs) PMIC - Masu Gudanar da Wutar Lantarki - Layi |
|
| Mfr | Texas Instruments |
|
| Jerin | - |
|
| Kunshin | Tape & Reel (TR) Yanke Tape (CT) Digi-Reel® |
|
| Matsayin samfur | Mai aiki |
|
| Kanfigareshan fitarwa | M |
|
| Nau'in fitarwa | Kafaffen |
|
| Adadin Masu Gudanarwa | 1 |
|
| Wutar lantarki - Input (Max) | 5.5V |
|
| Voltage - Fitarwa (min / Kafaffen) | 1.8V |
|
| Wutar lantarki - Fitarwa (Max) | - |
|
| Fitar da wutar lantarki (Max) | 0.38V @ 300mA |
|
| Yanzu - Fitowa | 300mA |
|
| Yanzu - Quiescent (Iq) | 55 a |
|
| Yanzu - Kayayyaki (Max) | 370 A |
|
| PSRR | 68dB (1kHz) |
|
| Siffofin sarrafawa | Kunna |
|
| Siffofin Kariya | Sama da halin yanzu, kan zazzabi, baya polarity, a karkashin wutar lantarki (UVLA) |
|
| Yanayin Aiki | -40°C ~ 125°C (TJ) |
|
| Nau'in hawa | Dutsen Surface |
|
| Kunshin / Case | SC-74A, SOT-753 |
|
| Kunshin Na'urar Mai bayarwa | SOT-23-5 |
|
| Lambar Samfurin Tushen | Saukewa: TLV70218 | |
| SPQ | 3000 PCS |
Mai daidaita layi
A cikikayan lantarki, Mai sarrafa layi shine amai sarrafa wutar lantarkiamfani da shi don kula da tsayayyen wutar lantarki.[1]Juriya na mai sarrafawa ya bambanta daidai da duka ƙarfin shigarwar da kaya, yana haifar da fitowar wutar lantarki akai-akai.Da'irar daidaitawa ta bambantajuriya, ci gaba da daidaitawa amai rarraba wutar lantarkihanyar sadarwa don kula da wutar lantarki akai-akai da kuma ci gaba da watsar da bambanci tsakanin shigarwa da kayyade ƙarfin lantarki kamarzubar da zafi.Akasin haka, amai daidaitawayana amfani da na'ura mai aiki mai kunnawa da kashewa (oscilates) don kula da matsakaicin ƙimar fitarwa.Domin kayyade karfin wutar lantarki na mai kayyade layin dole ne koyaushe ya kasance ƙasa da ƙarfin shigarwar shigarwa, ƙarfin aiki yana da iyaka kuma ƙarfin shigarwar dole ne ya zama babba don ƙyale na'urar da ke aiki koyaushe ta sauke wasu ƙarfin lantarki.
Masu tsara layin layi na iya sanya na'urar daidaitawa daidai da lodi (shuntregulator) ko yana iya sanya na'urar daidaitawa tsakanin tushen da ƙayyadaddun kaya (mai tsara jerin abubuwa).Sauƙaƙan masu sarrafa layi na iya ƙunsar kaɗan kamar aZener diodeda kuma jerin resistor;mafi rikitarwa masu sarrafawa sun haɗa da matakai daban-daban na nunin wutar lantarki, amplifier kuskure da ɓangaren ikon wucewa.Domin madaidaicimai sarrafa wutar lantarkiwani abu ne na gama gari na na'urori da yawa, masu sarrafa guntu guda ɗayaICssuna da yawa.Hakanan ma'aikatun layi na iya kasancewa da taruka na tsattsauran ra'ayi koinjin bututuaka gyara.
Duk da sunansu, masu sarrafa layi sunada'irori marasa mizanisaboda sun ƙunshi abubuwan da ba na layi ba (kamar Zener diodes, kamar yadda aka nuna a ƙasa a cikinsauki shunt regulator) da kuma saboda wutar lantarkin da ake fitarwa ya kasance daidai gwargwado (kuma da'ira mai yawan fitowar da ba ta dogara da shigarta ba ita ce da'ira maras mizani).[2]
Abubuwan da suka dace don TLV702
- Ƙarƙashin Ƙarfafawa: 2% Daidaito
- 37mV kuFITA= 50mA, VFITA= 2.8 V
- 75mV kuFITA= 100 mA, VFITA= 2.8 V
- 220mV da IFITA= 300 mA, VFITA= 2.8 V
- Low IQku: 35 A
- Kafaffen-Fitarwa Haɗin Wutar Lantarki Mai yiwuwa daga 1.2V zuwa 4.8V
- Babban PSRR: 68dB a 1 kHz
- Barga Tare da Ingantacciyar Ƙarfin 0.1 µF(1)
- Rufewar thermal da Kariya mai wuce gona da iri
- Fakiti: 5-Pin SOT-23 da 1.5-mm × 1.5-mm,
- 6-Pin WSON(1)
(1)Dubi Abubuwan Buƙatun Ƙarfafawa da Fitarwa a cikin Bayanin Aikace-aikacen.
Takardar bayanan TLV702
Jerin TLV702 na ƙananan-saukewa (LDO) masu tsara layin layi sune ƙananan na'urori na yanzu tare da ingantacciyar layi da aiki mai ɗaukar nauyi.An tsara waɗannan LDOs don aikace-aikacen da ke da ƙarfi.Madaidaicin bandgap da amplifier kuskure yana ba da cikakkiyar daidaito 2%.Karancin ƙarar ƙarar fitarwa, ƙimar kin amincewa da samar da wutar lantarki mai girma (PSRR), da ƙarancin wutar lantarki ya sa wannan jerin na'urori suka dace don zaɓi mai faɗi na kayan aikin hannu mai sarrafa baturi.Duk nau'ikan na'ura suna da kashe zafi da iyaka na yanzu don aminci.
Bugu da ƙari, waɗannan na'urori suna da ƙarfi tare da ingantaccen ƙarfin fitarwa na 0.1 µF kawai.Wannan fasalin yana ba da damar amfani da capacitors masu tsada masu tsada waɗanda ke da mafi girman ƙarfin son zuciya da rage zafin jiki.Na'urorin suna daidaita ƙayyadaddun daidaito ba tare da kayan fitarwa ba.
Silsilar TLV702P kuma tana ba da da'irar zazzagewa mai aiki don fitarwa da sauri.
Ana samun jerin TLV702 na masu tsara layin layi na LDO a cikin SOT23-5 da 1.5-mm × 1.5-mm WSON-6 fakiti.
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