Spot zvemagetsi IC chip TL431BIDBZR yakabatanidzwa dunhu Voltage References BOM SERVICE RELIABLE SUPPLIER
Zvese zviri zviviri TL431 uye TL432 zvishandiso zvinopihwa mumagiredhi matatu, nekutanga kushivirira (pa25 ° C) ye0.5%, 1%, uye 2%, yeB, A, uye giredhi rakajairwa, zvichiteerana.Uye zvakare, yakaderera yakabuda inodonha inopesana netembiricha inovimbisa kugadzikana kwakanaka pamusoro pese tembiricha renji.
Midziyo yeTL43xxC inotaridzwa kushanda kubva pa0 ° C kusvika 70 ° C, iyo TL43xxI midziyo inotaridzwa kushanda kubva -40 ° C kusvika 85 ° C, uye TL43xxQ michina inotaridzwa kushanda kubva -40 ° C kusvika 125 ° C. .
Product Attributes
| TYPE | DESCRIPTION |
| Category | Integrated Circuits (ICs) PMIC - Voltage Reference |
| Mfr | Texas Instruments |
| Mfr | Texas Instruments |
| Series | - |
| Package | Tepi & Reel (TR) Cheka Tape (CT) Digi-Reel® |
| SPQ | 250T&R |
| Product Status | Active |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Kubuda (Mini/Yakagadziriswa) | 2.495V |
| Voltage - Kubuda (Max) | 36 V |
| Zvazvino - Output | 100 mA |
| Kushivirira | ±0.5% |
| Temperature Coefficient | - |
| Ruzha - 0.1Hz kusvika 10Hz | - |
| Ruzha - 10Hz kusvika 10kHz | - |
| Voltage - Input | - |
| Current - Supply | - |
| Zvazvino - Cathode | 700µA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Nyaya | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
| Base Product Number | TL431 |
Mhedzisiro
Basa revoltage reference chips.
Mukati meiyo yakatemerwa inoshanda yazvino renji, iko kurongeka kwereferensi voltage source mudziyo (kutsauka kweiyo voltage kukosha, kudhiraivha, ikozvino gadziriso mwero, uye mamwe maratidziro paramita) iri nani kupfuura yakajairwa yakawanda zen regulator diode kana matatu-terminal regulator, saka inoshandiswa mukudiwa kweyakanyanya-chaiyo referensi voltage sereferensi voltage, kazhinji yeA/D, D/A, uye yakakwira-chaiyo voltage sosi, asiwo mamwe maseketi ekutarisa magetsi anoshandisawo referensi voltage sosi.
Classification
The classification of voltage reference chips.
Zvinoenderana nereferensi yemukati, iyo voltage chizvarwa chimiro chakasiyana, iyo voltage referensi yakakamurwa kuita bandgap voltage referensi uye voltage regulator voltage referensi mapoka maviri.Band gap voltage referensi chimiro ndeyekumberi-inorerekera PN junction uye voltage yakabatana neVT (inopisa inogona) munhevedzano, ichishandisa yakashata tembiricha coefficient yePN junction uye yakanaka tembiricha coefficient yeVT yekubvisa kuti uwane muripo wetembiricha.Iyo regulator voltage referensi chimiro ndeye yakatevedzana yekubatanidza ye-sub-surface breakdown regulator uye PN junction, uchishandisa yakanaka tembiricha coefficient ye regulator uye yakashata tembiricha coefficient yePN junction kudzima muripo wetembiricha.Kuparara kwepasi-pasi kunobatsira kuderedza ruzha.Iyo yereferensi voltage yechubhu voltage referensi yakakwirira (approx. 7V);iyo referensi voltage yebhendi yemagetsi referensi yakadzikira, saka iyo yekupedzisira inonyanya kushandiswa uko kuderera kwemagetsi kunodiwa.
Zvichienderana nechimiro chekunze chekushandisa, mareferensi emagetsi akakamurwa kuita mapoka maviri: akatevedzana uye akafanana.Kana yashandiswa, mareferensi emagetsi akateedzana akafanana neatatu-terminal akadzorwa magetsi, uko iyo referensi voltage inobatanidzwa munhevedzano nemutoro;parallel voltage mareferensi akafanana nemagetsi regulators, uko iyo referensi voltage inobatanidzwa mukuenderana nemutoro.Ose maviri bhendi gap voltage mareferensi uye tube voltage mareferensi anogona kushandiswa mune izvi zviviri zvigadziriso.Iyo mukana weiyo akateedzana voltage mareferensi ndeyekuti ivo vanongoda iyo yekupinza yekupa kuti ipe iyo quiescent ikozvino yechip uye kupa iyo inotakura ikozvino kana mutoro uripo;parallel voltage mareferensi inoda kuti bias current set ive yakakura kudarika huwandu hwechip's quiescent current uye iyo yakanyanya kuremerwa yazvino uye haina kukodzera kune yakaderera magetsi maapplication.Mabhenefiti emaparallel voltage mareferensi ndeekuti iwo aripo akarerekera, anogona kuenderana neyakasiyana siyana yekuisa voltages, uye akakodzera kushandiswa seyakamiswa mareferensi emagetsi.
Sarudzo
Sarudzo yeakatevedzana voltage referensi chip uye parallel voltage referensi chip
Iyo yakatevedzana voltage referensi ine matatu materminals: VIN, VOUT, uye GND, yakafanana neiyo mutsara regulator, asi ine yakaderera kubuda ikozvino uye yakanyanya kunaka.Series voltage mareferensi akabatanidzwa munhevedzano nemutoro (Mufananidzo 1) uye inogona kushandiswa semagetsi-inodzorwa resistor iri pakati peVIN neVOUT zviteshi.Nekugadzirisa kupikisa kwayo kwemukati, mutsauko pakati peVIN kukosha uye kudonha kwevoltage mukati memushonga wemukati (yakaenzana nereferensi voltage paVOUT) inochengetwa yakatsiga.Sezvo zvazvino zvichidikanwa kugadzira kudonha kwevoltage, mudziyo unofanirwa kudhirowa huwandu hushoma hwemazuva ano kuti uve nechokwadi chekutonga kwemagetsi pasina mutoro.Series-yakabatana voltage mareferensi ane zvinotevera maitiro.
-Iyo magetsi ekupa (VCC) inofanirwa kunge yakakwira zvakakwana kuti ive nechokwadi chekudonha kwevoltage yakaringana pamagetsi emukati, asi yakawandisa voltage inogona kukuvadza mudziyo.
- Chishandiso uye pasuru yayo inofanirwa kukwanisa kubvisa simba reiyo akateedzana regulator chubhu.
-Pasina mutoro, iyo chete simba dissipation ndiyo yakanyarara ikozvino yevoltage referensi.
- Series voltage mareferensi kazhinji ane zvirinani ekutanga kukanganisa uye tembiricha coefficients pane parallel voltage mareferensi.
Iyo parallel voltage referensi ine materminal maviri: OUT uye GND.Izvo zvakafanana pamusimboti kune voltage regulator diode asi ine zvirinani voltage regulation hunhu, yakafanana nevoltage regulator diode inoda yekunze resistor uye inoshanda mukuenderana nemutoro (Mufananidzo 2).Iyo parallel voltage referensi inogona kushandiswa semhepo inodzorwa-inodzorwa ikozvino sosi yakabatana pakati peOUT neGND, nekugadzirisa iyo yemukati ikozvino kuitira kuti mutsauko uripo pakati pemagetsi ekupa uye kudonha kwevoltage pane resistor R1 (yakaenzana nereferensi voltage paOUT) inoramba iripo. stable.Isa imwe nzira, iyo parallel type voltage referensi inochengetedza inogara voltage paOUT nekuchengeta huwandu hwemutoro wazvino uye ikozvino inoyerera kuburikidza nevoltage referensi nguva dzose.Parallel type references ine zvinotevera hunhu.
-Kusarudzwa kweR1 yakakodzera kunovimbisa kuti simba rinodiwa rinosangana uye parallel mhando voltage referensi haina muganho pane yakanyanya kupihwa voltage.
- Iyo yakanyanya ikozvino inopihwa neyekupihwa yakazvimirira pamutoro uye yekugovera ikozvino inoyerera nemutoro uye referensi inoda kuburitsa yakakodzera voltage inodonha pane resistor R1 kuchengetedza inogara OUT voltage.
-Sezvakareruka 2-terminal zvishandiso, parallel voltage mareferensi anogona kugadziridzwa kuita maseketi matsva akadai seasina kunaka voltage regulator, anoyangarara epasi regiredhi, ekucheka maseketi, uye anomisa maseketi.
- Parallel voltage mareferensi anowanzo ane yakaderera kushanda ikozvino pane akatevedzana voltage mareferensi.
Kana mutsauko uripo pakati penhevedzano uye parallel voltage mareferensi wanzwisiswa, chishandiso chakakodzera kwazvo chinogona kusarudzwa kune chaiyo application.Kuti uwane mudziyo wakanyatsokodzera, zvakanakisa kufunga zvese zvakatevedzana uye zvakafanana mareferenzi.Kana maparameter emhando mbiri idzi akaverengerwa, rudzi rwechishandiso runogona kutsanangurwa uye dzimwe nzira dzeempirical dzinopihwa pano.
- Kana kurongeka kwekutanga kuri pamusoro pe0.1% uye tembiricha coefficient ye25ppm ichidikanwa, nhevedzano yemhando yevoltage referensi inofanirwa kusarudzwa.
- Kana iyo yakaderera kushanda ikozvino ichidikanwa, saka parallel voltage referensi inofanira kusarudzwa.
-Kutarisira kunofanirwa kutorwa kana uchishandisa parallel voltage mareferensi ane yakakura mavoltiji ekupa kana mikuru mikuru ine simba.Iva nechokwadi chekuverenga kukosha kunotarisirwa kwesimba rakaraswa, iro rinogona kunge rakanyanya kukwirisa kupfuura nhevedzano yevoltage ine mashandiro akafanana (ona muenzaniso pazasi).
-Kumashandisirwo ayo magetsi ekupa ari pamusoro pe40V, parallel voltage referensi inogona kunge iriyo yega sarudzo.
- Parallel voltage mareferensi anowanzo kutariswa kana uchivaka negative voltage regulator, anoyangarara pasi regulator, clipping maseketi, kana kudzikisira maseketi.
About Product
Iyo TL431LI / TL432LI ipini-kupini dzimwe nzira dzeTL431 / TL432.TL43xLI inopa kugadzikana kuri nani, yakadzika tembiricha yekudonha (VI(dev)), uye yakaderera referensi ikozvino (Iref) yekuvandudza sisitimu.
Iyo TL431 uye TL432 zvishandiso zvitatu-terminal inogadziriswa shunt regulators, ine yakatsanangurwa kugadzikana kwemafuta pamusoro peanoshanda emotokari, yekutengesa, uye mauto tembiricha.Mhepo inobuda inogona kuiswa kune chero kukosha pakati peVref (inenge 2.5 V) uye 36 V, ine maviri ekunze anopikisa.Midziyo iyi ine yakajairika kubuda impedance ye0.2 Ω.Active inobuda wedunhu inopa yakanyanya kupinza-kuvhura hunhu, ichiita izvi zvishandiso zvakanakisa kutsiva Zener diode mune akawanda maapplication, senge onboard regulation, inogadziriswa magetsi emagetsi, uye kushandura magetsi.Mudziyo weTL432 une mashandiro akafanana nemagetsi seTL431 mudziyo, asi une mapinipu akasiyana eDBV, DBZ, uye PK mapakeji.
Zvese zviri zviviri TL431 uye TL432 zvishandiso zvinopihwa mumagiredhi matatu, nekutanga kushivirira (pa25 ° C) ye0.5%, 1%, uye 2%, yeB, A, uye giredhi rakajairwa, zvichiteerana.Uye zvakare, yakaderera yakabuda inodonha inopesana netembiricha inovimbisa kugadzikana kwakanaka pamusoro pese tembiricha renji.
Midziyo yeTL43xxC inotaridzwa kushanda kubva pa0 ° C kusvika 70 ° C, iyo TL43xxI midziyo inotaridzwa kushanda kubva -40 ° C kusvika 85 ° C, uye TL43xxQ michina inotaridzwa kushanda kubva -40 ° C kusvika 125 ° C. .
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