ANALOG DEVICES LTM4702EY Theha tlase Module Regulator Low Noise Reference Reference Manual
TLHALOSO
Boto ea tlhahlobo ea EVAL-LTM4702-AZ ke sesebelisoa sa phetoho sa DC/DC se theohileng se nang le LTM®4702 μModule® regulator. Boto ea tlhahlobo e etselitsoe ho fana ka tlhahiso ea 8A e phahameng ho tloha ho 4V ho isa ho 16V. LTM4702 e sebelisa meralo ea Silent Switcher® e nang le li-capacitor tse ka hare tsa hot loop ho fihlela EMI e tlase le ts'ebetso e phahameng. LTM4702 e na le IC e laolang mokhoa oa hona joale, inductor ea matla, le tekanyo e itekanetseng ea ho kenya le ho hlahisa matla. Mohanyetsi o le mong (R3) o beha molumo oa tlhahisotage, ho fana ka ts'ebetso ea phaello ea bonngoe holim'a mefuta e hlahisoang, e bakang lerata le sa khaotseng la tlhahiso e ikemetseng ntle le molumo oa tlhahisotage.
EVAL-LTM4702-AZ ea boto ea tlhahlobo ea kamehla ke 800kHz. Mohanyetsi oa kantle o behiloe ho tloha RT pin ho ea ho GND (R7) ho beha maqhubu a ho fetoha.
Mananeo a SYNC pin mekhoa e meraro e fapaneng ea ts'ebetso (JP1 jumper): khetha PULSE bakeng sa mokhoa oa ho tlola pulse ka katleho e ntlafetseng mejaro e bobebe; khetha FCM bakeng sa ts'ebetso ea ts'ebetso e qobelloang moo ts'ebetso ea khafetsa e tsitsitseng e leng bohlokoa haholo ho feta ts'ebetso e tlase ea hajoale le moo ho lakatsoang tlhahiso e tlase haholo; khetha SYNC ho amahanya le lets'oao la oache le kantle.
Seteishene sa RUN se ka sebelisoa ho seta LTM4702 mokhoeng oa ho koala. The power good output (PG) e tla ba tlase ha tlhahiso ea voltage ka ntle ho fensetere ea taolo ea ± 7.5%. Ha ho sebelisoa tšobotsi e ntle ea matla, beha boleng ba PGSET resistor (R1) ho latela phallo ea motlakase.tage.
Lethathamo la lintlha tsa LTM4702 le fana ka tlhaloso e felletseng ea ts'ebetso le tlhaiso-leseling ea ts'ebeliso. Leqephe la data le tlameha ho baloa hammoho le boto ena ea tlhahlobo.
Moralo files bakeng sa boto ena ea potoloho li fumaneha.
LEBOTO LEPHOTO
Karolo e tšoaeang e ka ba letšoao la enke kapa lets'oao la laser
TS'EBETSO TS'OANE
Litlhaloso li ho TA = 25°C
| PARAMETER | MAEMO | MIN TYP MAX | V |
| Keletso Voltage Range | 4 16 | V | |
| Khumo Voltage | VIN = 4V ho 16V, IOUT = 0A ho 8A | 1 ±2% | A |
| Boholo ba Tlhahiso ea Hona joale | VIN = 4V ho 16V | 8 | A |
| Tloaelehileng Switching Frequency | 800 | kHz | |
| Tšebetso e Tloaelehileng | VIN = 12V, IOUT = 8A | 80.5 | % |
TSELA E QALANG HO QALA
Boto ea tlhahlobo EVAL-LTM4702-AZ ho bonolo ho e hlophisa ho lekola ts'ebetso ea LTM4702. Sheba Setšoantšo sa 1 bakeng sa lisebelisoa tse nepahetseng tsa ho lekanya 'me u latele mokhoa o ka tlase.
- Ha motlakase o tima, hokela phepelo ea motlakase ho VIN (4V ho 16V) le GND (input return).
- Hokela phallo ea 1V pakeng tsa VOUT le GND (Moroalo oa pele: ha ho mojaro).
- Hokela li-DVM ho kenyelletso le tlhahiso. Beha maemo a kamehla a jumper:
JP1: FCM ON
JP2: 120 PS ON - Bulela phepelo ea motlakase e kenang 'me u hlahlobe hore na ho na le molumo o nepahetseng oa phallotage. TLHOKOMELO e lokela ho ba 1V ± 2%.
- Hang sephetho se nepahetseng voltage thehiloe, lokisa mojaro ka har'a sebaka sa ts'ebetso 'me u shebe tlhahiso ea molumotagtaolo ea e, katleho, le likarolo tse ling.
HLOKOMELA: Ha o metha se hlahisoang kapa se kenyang matlatage ripple, u se ke ua sebelisa loto e telele ea fatše holim'a probe ea oscilloscope. Sheba setšoantšo sa 2 bakeng sa mokhoa o nepahetseng oa scope probe. Likarolo tse khutšoane, tse thata li ka rekisoa ho (+) le (–) li-terminals tsa capacitor ea tlhahiso. Lesale la fatše la probe le hloka ho ama (–) etella, 'me ntlha ea probe e hloka ho ama (+) etella pele.
LIEKETSENG TŠEBELETSO E TLOAELEHANG
Setšoantšo sa 1. Tlhophiso e Loketseng ea Thepa ea Tekanyo
Setšoantšo sa 2. Ho lekanya Output Ripple Voltage
LIPOLELO TSA TEKO
Setšoantšo sa 3. Katleho vs Mojaro Hona Joale, VIN = 12V
Setšoantšo sa 4. Khumo Voltage Ripple (12VIN, 1V, 8A Output)
Setšoantšo sa 5. Teko ea Phatlalatso ea Mojaro (VIN = 12V, VOUT = 1V)
Setšoantšo sa 6. Setšoantšo sa Thermal, VIN = 12V, 1V, 8A Output (Ha ho Sekepe sa Mocheso, Ha ho Phallo ea Moea e Qobelitsoeng)
MAHLOMOLA LEROTHA
| ITEM | QTY | TŠEBELETSO | KAROLO TLHALOSO | MOHLAHLI/KAROLO YA KAROLO |
| 1 | 1 | C1 | CAP., ALUM POLY HYBRID, 100μF, 25V, 20%, 6.3mm × 7.7mm, AEC-Q200 | PANASONIC, EEHZC1E101XP |
| 2 | 1 | C10 | CAP. CER, 1μF, 25V, 10%, X7R, 0603, AEC-Q200 | TDK, CGA3E1X7R1E105K080AC |
| 3 | 2 | C11, C12 | CAP. CER, 22μF, 25V, 10%, X7R, 1210 | MURATA, GRM32ER71E226KE15L |
| 4 | 4 | C13, C14, C15, C16 | CAP. CER, 10μF, 6.3V, 20%, X7S, 0603 | TDK, C1608X7S0J106M080AC |
| 5 | 2 | C6, C17 | CAP. CER, 100μF, 10V, 20%, X5R, 1206, LOW ESR | TDK, C3216X5R1A107M160AC |
| 6 | 3 | C18, C23, C24 | CAP. CER, 0.1μF, 25V, 10%, X7R, 0603 | Setšoantšo sa CL10B104KA8NNNC |
| 7 | 1 | C19 | CAP. CER, 2200pF, 16V, 10%, X7R, 0603 | VISHAY, VJ0603Y222KXJCW1BC |
| 8 | 1 | C2 | CAP. CER, 22μF, 25V, 20%, X5R, 0805, AEC-Q200 | MURATA, GRT21BR61E226ME13L |
| 9 | 2 | C21, C22 | CAP FEEDTHRU, 4.7μF, 10V, 20%, 0805, 3-TERMINAL | MURATA, NFM21PC475B1A3D |
| 10 | 3 | C3, C4, C5 | CAP. CER, 2.2μF, 25V, 10%, X5R, 0603 | MURATAGRM188R61E225KA12D |
| 11 | 1 | C9 | CAP. CER, 1μF, 10V, 10%, X7R, 0805 | AVX, 0805ZC105KAT2A |
| 12 | 1 | FB1 | IND., CHIP FERRITE BEAD, 0.015Ω, DCR, 5.1A | WURTH ELEKTRONIK, 74279228600 |
| 13 | 1 | L1 | IND., MOSEBETSI OA MATLA O SIRELETSOENG, 0.0073Ω, DCR, 9.5A | WURTH ELEKTRONIK, 744373240022 |
| 14 | 1 | R1 | RES., SMD, 49.9k, 1%, 1/10W, 0603, AEC-Q200 | PANASONIC, ERJ-3EKF4992V |
| 15 | 1 | R10 | RES., SMD, 0Ω, 1%, 1/4W, 1206 | VISHAYWSL, 120600000ZEA9 |
| 16 | 1 | R12 | RES., 1.2k, 1%, 1/10W, 0603, AEC-Q200 | Setšoantšo sa CRCW06031K20FKEA |
| 17 | 1 | R13 | RES., SMD, 0Ω, JUMPER, 1/10W, 0603, AEC-Q200,PRECISION POWER | VISHAY, CRCW06030000Z0EA |
| 18 | 2 | R2, R5 | RES., SMD, 100k, 1%, 1/10W, 0603, AEC-Q200 | PANASONIC, ERJ-3EKF1003V |
| 19 | 1 | R3 | RES., SMD, 10k 1%, 1/10W, 0603, AEC-Q200 | PANASONIC, ERJ-3EKF1002V |
| 20 | 1 | R4 | RES., SMD, 1Ω, 1%, 1/10W, 0603 | YAGEO, RC0603FR-071RL |
| 21 | 1 | R7 | RES., 137k, 1%, 1/10W, 0603, AEC-Q200 | VISHAY, CRCW0603137KFKEA |
| 22 | 1 | U1 | IC-ADI, 18VIN, 8A, Silent Switcher, μModule REGULATOR | LITŠOANTŠISO TSA ANALOGE, LTM4702EY#PBF |
| 18 | 0 | C7, C8, C20, C25 | MOKHETHI MOEKETSI | |
| 19 | 0 | R6, R8, R9, R11 | MOKHETHI MOTS'ELI | |
| 20 | 0 | L2 | MOKHETHI MOEKETSI | |
| 24 | 2 | J1, j2 | CONN., PCB, SMA, JACK MOSALI, RCP, 50Ω | MOLEX, 732511350 |
| 26 | 2 | JP1, JP2 | CONN., HDR, MALE, 2 × 3, 2mm, VERT, ST, THT | WURTH ELEKTRONIK, 62000621121 |
| 27 | 4 | STANDOFF, BRD, SPT, SNAP-FIT, 9.53mm LENGTH, EVAL BOARD MTG | KEYSTONE, 8832 | |
| 28 | 2 | CONN., SHUNT, FEMALE, 2-POS, 2mm | KEYSTONE, 8831 | |
| 29 | 1 | PCBs | LEKHOPA PRINTŠWE LEBOTO | WURTH ELEKTRONIK, 702931000 |
SETSEKI SEKEMO
TS'ELISO TS'OANE
| TŠEPO | LETSATSI | TLHALOSO | LEQEPHE NUMBER |
| 0 | 04/23 | Phatlalatso ea Pele | — |
Tlhokomeliso ea ESD
ESD (electrostatic discharge) sesebelisoa se hlokolosi. Lisebelisoa tse lefshoang le liboto tsa potoloho li ka tsoa ntle le ho lemoha. Leha sehlahiswa sena se na le dipalo tse nang le tokelo ya molao kapa tsa tshireletso, tshenyo e ka nna ya hlaha ho disebediswa tse nang le matla a phahameng a ESD. Ka hona, mehato e nepahetseng ea ESD e lokela ho nkuoa ho qoba ho senyeha ha ts'ebetso kapa tahlehelo ea ts'ebetso
Melao le Maemo a Molao
Ka ho sebelisa boto ea tlhahlobo eo ho buisanoang ka eona mona (hammoho le lisebelisoa life kapa life, litokomane tsa likarolo kapa lisebelisoa tsa ts'ehetso, "Evaluation Board"), o lumela ho tlamahanngoa le lipehelo le lipehelo tse boletsoeng ka tlase ("Tumellano") ntle le haeba o rekile Boto ea Tlhahlobo, moo Melao le Maemo a Thekiso a Thekiso ea Analog a tla laola. Se ke oa sebelisa Boto ea Tlhahlobo ho fihlela u balile le ho lumellana le Tumellano. Tšebeliso ea hau ea Boto ea Tlhahlobo e tla bontša ho amohela Tumellano ea hau. Tumellano ena e entsoe ke uena ("Customer") le Analog Devices, Inc. ("ADI"), le sebaka sa eona sa mantlha sa khoebo ho One Technology Way, Norwood, MA 02062, USA. Ho ipapisitsoe le lipehelo le lipehelo tsa Tumellano, ADI ka hona e fa Moreki laesense ea mahala, e lekanyelitsoeng, ea botho, ea nakoana, e sa khetheheng, e ke keng ea fetisetsoa, le e ke keng ea fetisetsoa ho sebelisa Boto ea Tlhahlobo BAKENG SA TŠEBELETSO FEELA. Moreki o utloisisa le ho lumela hore Boto ea Tekolo e fanoe ka sepheo se le seng le se ikhethileng se boletsoeng ka holimo, 'me e lumela ho se sebelise Boto ea Litlhahlobo molemong ofe kapa ofe. Ho feta moo, laesense e fanoeng e etsoa ka mokhoa o hlakileng ho ipapisitse le meeli e latelang: Moreki ha a na ho (i) hira, ho hirisa, ho hlahisa, ho rekisa, ho fetisa, ho abela, ho fana ka lengolo la tumello, kapa ho aba Boto ea Tlhahlobo; le (ii) ho dumella Mokga ofe kapa ofe wa Boraro ho fihlella Boto ya Tlhatlhobo. Joalo ka ha le sebelisitsoe mona, lentsoe "Mokha oa Boraro" le kenyelletsa mokhatlo ofe kapa ofe ntle le ADI, Moreki, basebetsi ba bona, basebetsi le baeletsi ba ka tlung. Boto ea Tlhahlobo HA E rekisetsoe Moreki; litokelo tsohle tse sa fanoeng mona, ho kenyeletsoa le ho ba beng ba Boto ea Tlhahlobo, li bolokiloe ke ADI. TIISETSO. Tumellano ena le Boto ea Tlhahlobo kaofela li tla nkoa e le litaba tsa lekunutu le tsa botho tsa ADI. Moreki a ka se senole kapa a fetisetsa karolo efe kapa efe ea Boto ea Tekolo ho motho ofe kapa ofe ka lebaka lefe kapa lefe. Ha ho khaotsoe ho sebelisa Boto ea Tlhahlobo kapa Tumellano ena e felisitsoe, Moreki o lumela ho khutlisetsa Boto ea Tlhahlobo ho ADI hang-hang. KEKELETSO LITHIBELO. Moreki ha a lokela ho qhaqholla, ho qhaqholla kapa ho kgutlisetsa morao ditjhepisi tsa moenjinere ho Boto ya Tekolo. Moreki o tla tsebisa ADI ka tšenyo leha e le efe e etsahetseng kapa liphetoho leha e le life kapa liphetoho tseo e li etsang ho Boto ea Tlhahlobo, ho kenyeletsoa empa e sa felle feela ka ho rekisa kapa ntho leha e le efe e amang litaba tsa Boto ea Tlhahlobo. Litokiso ho Boto ea Litlhahlobo li tlameha ho ikamahanya le molao o sebetsang, ho kenyeletsoa empa eseng feela ho RoHS Directive. PHEELLO. ADI e ka felisa Tumellano ena ka nako efe kapa efe ha e fana ka tsebiso e ngotsoeng ho Moreki. Moreki o lumela ho khutlela ho ADI Boto ea Tlhahlobo ka nako eo.
MOELI MOTHO. LEBOTO LA HO HLAHLOBA LE FUMANETSOENG MONA KATLASI LE FUMANA “JOALOKAHA LE TENG” MME ADI HA E ETSE LITIISETSO KAPA EMALI A MOFUTA OFE KA TENG KA TLOPO HO LONA. ADI E HLOKOMELA KA HO KHETHEHILENG , LITUMELO, LITIISETSO, KAPA LITIISETSO, TSE BONANG KAPA TSE HLAHANG, TSE AMANG LE LEBOTO LA LITEKO LE, EMPA HA LI TLALETSOE, TLHOKOMELISO E MANGOLO EA MERCHANTABILITY , TLHOKOMELISO, TLHOKOMELISO. HA HO TSAMAYA ADI LE BATHO BA LONA LILASESENNE BA TLA BA MOTHO OA MOLATO BAKENG SA KETSAHALO EFE KAPA EFE, E KHETHEHILENG, E TSAMAEA, KAPA E LATELANG KA HO HLAHALA KA THOO EA MOREKI KAPA SEBEDISO EA LEBOTO LA LITEKOLO, HO kenyeletsoa EMPA E SA LENYETSOE HO TAHLEHELO TSA LITEFO, LITEFO, LITEI. MOLATO OA KAOFELA OA ADI HO TSOA MANG KAPA MANG LE LIBAKA TSOHLE E TLA LEKELISOA HO BOLELLO EA LIKERERA TSE LE LEKOKA ($100.00). THEKISO. Moreki o dumela hore e ke ke ya romela Boto ya Ditekolo ka ho toba kapa ka tsela e sa tobang naheng e nngwe, le hore e tla ikamahanya le melao le melawana e sebetsang ya United States e amanang le thomelontle. TS'ELISO MOLAO. Tumellano ena e tla laoloa le ho hlalosoa ho ea ka melao ea motheo ea Commonwealth ea Massachusetts (ho sa kenyelelitsoe likhohlano tsa melao ea molao). Mehato efe kapa efe ea molao mabapi le Tumellano ena e tla mameloa seterekeng kapa makhotleng a mmuso a nang le matla a ho laela Suffolk County, Massachusetts, 'me Moreki o ipeha tlas'a bolaoli le sebaka sa makhotla a joalo. Tumellano ea Machaba a Kopaneng ea Likonteraka tsa Thekiso ea Thepa ea Machabeng e ke ke ea sebetsa Tumellanong ena 'me e hlakotsoe ka mokhoa o hlakileng.
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