MOTSAMAI MANAKO
DC1997A-A/DC1997A-B
LTC3838EUHF-1/LTC3838EUHF-2
Sehlahisoa se Phahameng sa Hajoale, se habeli
Synchronous Buck Converter
TLHALOSO
Li-circuits tsa lipontšo DC1997A-A/DC1997A-B ke li-converter tse peli tse lumellanang tsa buck tse nang le LT C ® 3838EUHF-1/LTC3838EUHF-2. Likopano tsena ka bobeli li fana ka liphetho tse peli tsa 1.5V/20A le 1.2V/20A holim'a molumo o kenang.tage fapaneng ea 4.5V ho 14V ka maqhubu a switjha a 300kHz.
Likopo tse hlokang hore sephetho se lokisoe ka referense ea kantle li ka kengoa tšebetsong ka kopano ea DC1997A-B. Lisebelisoa tse joalo li kenyeletsa adaptive voltage scaling optimization (AVSO) moo processor voltage e lokisoa ho fihlela katleho e nepahetseng, phallo e pharalletsengtaglits'ebetso tse laoloang ke DAC, kapa margining. Seteishene sa bobeli sa kopano ea DC2A-B se laoloa ho referense ea onboard 1997V ho setup sa kamehla. Tlhaloso e tšoanang e ka behoa ho tloha 1.2V ho ea 0.8V ka potentiometer kapa mocha oa 1.5 o ka laola mohloli o ka ntle ho boto. Seteishene sa 2 ho kopano ea DC1A-B le liteishene tse peli tsa mofuta oa DC1997A-A li laoloa ho latela litšupiso tsa kahare.
Mofetoleli kaofela, ho sa kenyelelitsoe li-capacitor tse ngata tse kenang le tse hlahisoang, li lumellana le sebaka sa 1.5in2 ka boto. Boima bo phahameng bo bakoa ke tlhophiso ea compact, mahlakoreng a mabeli le ts'ebeliso ea li-FET tse peli.
Lintlha tse ling tsa boto ena ea demo li kenyelletsa:
- Kutlo ea remoutu bakeng sa tlhahiso ka 'ngoe.
- PLLIN le lithakhisa tsa CLKOUT.
- PGOOD, RUN le lithakhisa tsa TRK/SS bakeng sa tlhahiso ka 'ngoe.
- Li-resistors tsa boikhethelo ho kopanya liphetho tse peli hammoho.
- Mokhoa oa boikhethelo bakeng sa li-FET tsa mocha o le mong bakeng sa tlhahiso e phahameng ea hajoale.
- Mehato ea boikhethelo ea ho kenya ts'ebetsong DTR (ho lemoha nako e khutšoanyane) ho fokotsa ho feta ka mor'a ho lokolloa ha mojaro.
Moralo files bakeng sa boto ena ea potoloho li fumaneha ho http://www.linear.com/demo
L, LT, LTC, LTM, Linear Technology le logo ea Linear ke matšoao a ngolisitsoeng a Linear Technology Corporation. Matshwao a mang kaofela ke thepa ya beng ba ona.
TS'EBETSO TS'OANE
Litlhaloso li ho TA = 25°C, No Airflow
| PARAMETER | BOEMO | VALUE |
| Bonyane Bonyane ba Kenyeletsotage | 4.5V | |
| Palo e kahodimodimo Keletso Voltage | 14V | |
| Khumo Voltage VOUT1 | IOUT1 = 0A ho 20A, VIN = 4.5V ho 14V | 1.5V ± 2% |
| Khumo Voltage VOUT2 | IOUT2 = 0A ho 20A, VIN = 4.5V ho 14V | 1.2V ± 2% |
| VOUT1 Maximum Output Current, IOUT1 | VIN = 4.5V ho 14V, VOUT1 = 1.5V | 20A |
| VOUT2 Maximum Output Current, IOUT2 | VIN = 4.5V ho 14V, VOUT2 = 1.2V | 20A |
| Nominal Switching Frequency | 300kHz | |
| Katleho (E lekantsoe ho Kopano ea DC1997A-B) Sheba Setšoantšo sa 2 | VOUT1 = 1.5V, IOUT1 = 20A, VIN = 12V | 90.4% E tloaelehileng |
| VOUT2 = 1.2V, IOUT2 = 20A, VIN = 12V | 88.8% E tloaelehileng |
TSELA E QALANG HO QALA
Pontšo potoloho DC1997A-A/DC1997A-B ho bonolo ho hloma ho hlahloba tshebetso ya LTC3838EUHF-1/LTC3838EUHF-2. Ka kopo, sheba Setšoantšo sa 1 bakeng sa ho beha lisebelisoa tsa ho lekanya hantle 'me u latele mokhoa o ka tlase.
- Ha motlakase o tima, hokela phepelo e kenang, mojaro le limithara joalo ka ha ho bonts'itsoe ho Setšoantšo sa 1. Seta esale pele mojaro ho 0A le phepelo ea VIN hore e be 0V. Bakeng sa likopano ka bobeli, beha li-jumpers libakeng tse latelang:
JP4 RUN1 ON JP1 RUN2 ON JP2 MOKHOA FCM Kopano ea DC1997A-B e na le li-jumpers tse eketsehileng bakeng sa potoloho ea litšupiso. Beha li-jumpers tsena maemong a latelang:
JP5 LIEKETSENG BD REF QHOBOSHELE JP6 REF ON BD - 2. Fetola tlhahiso ea molumotage ho ba pakeng tsa 4.5V le 14V.
VOUT1 e lokela ho ba 1.5V ± 2%.
VOUT2 e lokela ho ba 1.2V ± 2%. - Ka mor'a moo, sebelisa mojaro oa 20A ho sehlahisoa se seng le se seng 'me u lekanye VOUT hape.
- Hang ha melaoana ea DC e tiisitsoe, ela hloko tlhahiso ea voltage ripple, mojaro mohato karabelo, bokgoni le tse ling tse parameters.
Tlhokomeliso ea 1: Sebelisa lihokelo tsa BNC tse ngotsoeng VOUT1 kapa VOUT2 ho metha tlhahiso ea nako ea volt-age ripple.
Tlhokomeliso ea 2: Se ke oa hokela thepa ho tloha VO1_SNS+ turret ho ea VO1_SNS- turret kapa ho tloha VO2_SNS+ turret ho ea VO2_SNS- turret. Sena se ka senya converter. Kenya feela mojaro ho pholletsa le lihokelo tsa stud pheletsong ea boto.
Reference Circuit for Channel 2 of DC1997A-B Assembly
Channel 2 ea kopano ea DC1997A-B e hlophisitsoe ka mokhoa oa kamehla ho laola referense e tsitsitseng ea 1.2V e hlahisoang ke potoloho ea litšupiso ea LT® 6650. Haeba o lakatsa, referense ena e ka behoa ka potentiometer, kapa mohloli o ka ntle o kang DAC kapa mohloli o mong. Sheba litaelo tse latelang ho seta boto bakeng sa efe kapa efe:
Ho fetola Reference ea Onboard:
- Tlosa matla ho tsoa ho kenyelletso ea boto.
- Beha li-jumpers tsena maemong a latelang:
JP5 LIEKETSENG BD REF ADJ JP6 REF ON BD - Sebelisa matla ho kenya letsoho la boto.
- Fetola tšupiso ka potentiometer ho R52.
Ho hokela Boto ea Referense:
- Tlosa matla ho tsoa ho kenyelletso ea boto.
- Beha JP6 sebakeng sa EXT.
- Hokela tšupiso ea kantle lipakeng tsa EXTREF2+ le EXTREF2- turrets.
- Sebelisa matla ho kenya letsoho la boto.
- Bulela tšupiso ea kantle.
Hlokomela 3: Bakeng sa litekanyo tse nepahetseng tsa ts'ebetso ho DCM ka mojaro o bobebe ho VIN e kholo ho feta 5V, tlosa R51 'me u sebelise tšupiso ea kantle ho boto joalo ka ha ho boletsoe ka holimo.
Ts'ebetso e le 'Ngoe / Ts'ebetso ea Mekhahlelo e 'Meli
Ho ka khethoa sesebelisoa se le seng / se fetolelang habeli bakeng sa lisebelisoa tse phahameng tsa hajoale. Likarolo tsa boikhethelo tse hlokahalang ho kopanya mekhahlelo li fumaneha bohareng ba leqephe la pele. Ho kopanya lihlahisoa tse peli hammoho, etsa liphetoho tse latelang:
- Tlama libopeho tse peli tsa VOUT hammoho le sekotoana sa koporo pheletsong ea boto moo koporo e hlahang teng.
- Tlama phini ea VOUT SENSE1+ ho INTVCC ka jumper ea 0Ω ka R8. Sena se tla tlama ITH1 ho ITH2 ka hare ho chip.
- Tlama RUN1 ho RUN2 ka ho kenya jumper ea 0Ω ka R15.
- Haeba DTR e kentsoe ts'ebetsong, joale kenya 0Ω jumper ho R9 ho kopanya likhoele tse peli tsa DTR hammoho.
Potoloho ea Mojaro o Matla (Ha ho boikhethelo)
Pokello ea potoloho DC1997A-A/DC1997A-B e fana ka potoloho e bonolo ea moroalo e nang le MOSFET le sehanyetsi sa kutlo bakeng sa terene ka 'ngoe. Ho sebelisa mohato oa mojaro, latela mehato e ka tlase.
- Seta esale pele ampboholo ba jenereithara ea pulse ho 0.0V le potoloho ea mosebetsi ho 5% kapa ka tlase.
- Hokela sebaka ho lihokelo tsa VOUT BNC bakeng sa terene e tlas'a teko ka thapo ea coax. Ho beha leihlo lebelo la moroalo, hokela scope probe ka mose ho ISTEP+/- turrets bakeng sa seporo seo.
- Kopanya tlhahiso ea jenereithara ea pulse ho PULSE turret bakeng sa terene tlas'a teko 'me u kopanye ho khutlela ho GND turret e haufi.
- Ha converter e sebetsa, butle-butle eketsa palo amplitude tsa pulse jenereithara tlhahiso ho fana ka lakatsehang mojaro mohato pulse bophahamo ba. Tekanyo ea lets'oao la mohato oa mojaro ke 5mV/Amp.
LTC3838-2 1.5V/20A le 1.2V/20A Sefetoleli
Setšoantšo sa 2. Li-curve tse sebetsang hantle bakeng sa 1.5V Rail le 1.2V Rail ea Kopano ea DC1997A-B ho FCM ho VIN = 12V
LTC3838-2 1.5V/20A le 1.2V/20A Sefetoleli
Setšoantšo sa 3. Li-curve tse sebetsang hantle bakeng sa 1.5V Rail le 1.2V Rail ea Kopano ea DC1997A-B ho FCM le DCM ho VIN = 12V
VOUT2 ea LTC3838-2 Demo Board E Fetotsoe ka Tšebeliso ea Kantle
Setšoantšo sa 4. Li-Curves tsa Katleho bakeng sa VOUT2 ho Kopano ea DC1997A-B ka Phatlalatso e sa Tšoanengtage Litlhophiso
Setšoantšo sa 5. 50% ho 100% ho 50% Karabo ea Mohato oa Mojaro oa 1.5V Rail ho Kopano ea DC1997A-A
Setšoantšo sa 6. 50% ho 100% ho 50% Karabo ea Mohato oa Mojaro oa 1.2V Rail ho Kopano ea DC1997A-A
Setšoantšo sa 7. 50% ho 100% ho 50% Karabo ea Mohato oa Mojaro oa Seporo sa 1.5V Sebokeng sa DC1997A-B
Setšoantšo sa 8. 50% ho 100% ho 50% Karabo ea Mohato oa Mojaro oa Seporo sa 1.2V Sebokeng sa DC1997A-B
Setšoantšo sa 9. Ho Buloa ha Seporo sa 1.5V sa Kopano ea DC1997A-A. RUN Pin E lokollotsoe ho tloha Ground
Setšoantšo sa 10. Ho Buloa ha Seporo sa 1.2V sa Kopano ea DC1997A-A. RUN Pin E lokollotsoe ho tloha Ground
Setšoantšo sa 11. Ho Buloa ha Seporo sa 1.5V sa Kopano ea DC1997A-B. RUN Pin E lokollotsoe ho tloha Ground
Setšoantšo sa 12. Ho Buloa ha Seporo sa 1.2V sa Kopano ea DC1997A-B. RUN Pin E lokollotsoe ho tloha Ground
LEthathamo LA LIKAROLO–DC1997A-A
| ITEM | QTY | TŠEBELETSO | KAROLO TLHALOSO | MOHLAHLI/KAROLO YA KAROLO |
Likarolo tse Hlokehang tsa Potoloho
| 1 | 1 | C12 | CAP X7R 470pF 16V 5% 0603 | Tlhaloso: AVX 0603YC471JAT2A |
| 2 | 2 | C21, C22 | CAP X5R 10µF 16V,10% 0805 | MURATA GRM21BR61C106KE15L |
| 3 | 2 | C3, C16 | CAP NPO 1000pF 25V 5% 0603 | AVX 06033A102JAT2A |
| 4 | 3 | C4, C10, C14 | CAP X5R 0.1µF 16V 10% 0603 | Tlhaloso: AVX 0603YD104KAT2A |
| 5 | 2 | C5, C11 | CAP NPO 47pF 16V 5% 0603 | AVX,0603YA470JAT2A |
| 6 | 1 | C6 | CAP X7R 330pF 16V 0603 | Tlhaloso: AVX 0603YC331JAT2A |
| 7 | 2 | C7, C13 | CAP X5R 0.01µF 16V 10% 0603 | Tlhaloso: AVX 0603YD103KAT2A |
| 8 | 1 | C8 | CAP X5R 4.7µF 16V,10% 0805 | Tlhaloso: AVX 0805YD475KAT2A |
| 9 | 2 | C9, C18 | CAP X5R 1µF 16V,10% 0603 | Tlhaloso: AVX 0603YD105KAT2A |
| 10 | 4 | CIN1, CIN2, CIN3, CIN4 | CAP X5R 22µF 16V 1210 | Tlhaloso: AVX 1210YD226MAT2A |
| 11 | 1 | CIN6 | CAP 180µF 16V SVP-F8 | SANYO 16SVP180MX |
| 12 | 4 | COUT1, COUT2, COUT6, COUT7 | CAP X5R 100µF 6.3V 20% 1206 | MURATA GRM31CR60J107ME39L |
| 13 | 4 | COUT4, COUT5, COUT9, COUT10 | CAP 330µF 2.5V SIZE 7343 | SANYO 2R5TPE330M9 |
| 14 | 2 | D1, D2 | DIODE SCHOTTKY SOD-323 | SEMI SEBAKA. CMDSH-4E TR |
| 15 | 2 | L1, L2 | IND 0.47µH 0.8mΩ DCR | WÜRTH 7443330047 |
| 16 | 2 | Q1, Q2 | MOSFET 5mm x 6mm MATLA STAGE | INFINEON BSC0911ND |
| 17 | 2 | R13, R45 | RES 100k 1% 0603 | VISHAY CRCW0603100KFKEA |
| 18 | 6 | R2, R11, R19, R44, R4, R12 | RES 10k 1% 0603 | Tlhaloso: VISHAY CRCW060310K0FKEA |
| 19 | 1 | R27 | RES CHIP 11k 1% 0603 | Tlhaloso: VISHAY CRCW060311K0FKEA |
| 20 | 2 | R29, R31 | RES 2.2Ω 1% 0603 | Setšoantšo sa CRCW06032R20FKEA |
| 21 | 1 | R30 | RES 133k 1% 0603 | VISHAY CRCW0603133KFKEA |
| 22 | 2 | R32, R40 | RES 15k 1% 0603 | Tlhaloso: VISHAY CRCW060315K0FKEA |
| 23 | 12 | R5, R17, R21, R23, R25, R35, R38, R41, R42, R50, R14, R24 | RES 0Ω,0603 | VISHAY CRCW06030000Z0EA |
| 24 | 4 | R6, R7, R46, R48 | RES 10Ω 1% 0603 | VISHAY CRCW060310R0FKED |
| 25 | 2 | RS1, RS2 | RES 0.001Ω 1W 1% 2512 | VISHAY WSL25121L000FEA |
| 26 | 1 | U1 | Tlhaloso: LTC3838EUHF-1 QFN 38-LEAD | LINEAR TECH. LTC3838EUHF-1 |
Likarolo tse Eketsehileng tsa Potoloho
| 1 | 0 | C1, C2, C15, C17, C19, C23, C24 | CAP 0603 | KHETHA |
| 2 | 0 | C20 | CAP 0805 | KHETHA |
| 3 | 0 | CIN5 | CAP SVP-F8 | KHETHA |
| 4 | 0 | CIN7-CIN12 | CAP OPT 1210 | KHETHA |
| 5 | 0 | COUT3, COUT8, COUT11-COUT14 | CAP OPT 7343 | KHETHA |
| 6 | 0 | D3 | DIODE SOD-323 | KHETHA |
| 7 | 0 | E19, E20 | TESTPOINT TURRET 0.095″ | KHETHA |
| 8 | 0 | JP5, JP6 | HEADER OPT 2MM SINGLE 3-PIN | KHETHA |
| 9 | 2 | Q11, Q12 | MOSFET N-CH 30V TO-252 | FAIRCHILD FDD8874 |
| 10 | 0 | Q3-Q10 | MOSFET LFPAK | KHETHA |
| 11 | 0 | R1, R3, R8, R9, R10, R15, R16, R18, R20, R22, R26, R28, R33, R34, R36, R37, R39, R43, R47, R49, R63 | RES 0603 | KHETHA |
| 12 | 0 | R51, R53, R54, R59, R60, R61, R62 | RES 0603 | KHETHA |
| 13 | 0 | R52 | RES POT-3313J-1 | KHETHA |
| 14 | 2 | R55, R56 | RES 10k 1% 0603 | Tlhaloso: VISHAY CRCW060310K0FKEA |
| 15 | 2 | R57, R58 | RES 0.005Ω 1/2W 1% 2010 | VISHAY WSL20105L000FEA |
| 16 | 0 | U2 | LT6650HS5 SOT23-5 | KHETHA |
Lisebelisoa
| 1 | 6 | J1-J6 | THUTO PIN | PEM KFH-032-10 |
| 2 | 12 | J1-J6 | NATE KOROSI #10-32 | TSOHLE |
| 3 | 6 | J1-J6 | LEKHOTLA LA RING #10 | SEHLOOHO SA 8205 |
| 4 | 6 | J1-J6 | MOHLATS'OA LETETE LE KOPO | TSOHLE |
| 5 | 2 | J7,J8 | CONN BNC 5 LIPHIRI | CONNEX 112404 |
| 6 | 2 | JP1, JP4 | HEADER 2MM SINGLE 3-PIN | SAMTEC TMM-103-02-LS |
| 7 | 2 | JP2, JP3 | HEADER 2MM SINGLE 4-PIN | SAMTEC TMM-104-02-LS |
| 8 | 4 | XJP1-XJP4 | QOBA | SAMTEC 2SN-BK-G |
LENANEO LA LIKAROLO–DC1997A-B
Likarolo tse Hlokehang tsa Potoloho
| 1 | 1 | C12 | CAP X7R 470pF 16V 5% 0603 | Tlhaloso: AVX 0603YC471JAT2A |
| 2 | 2 | C21, C22 | CAP X5R 10µF 16V 10% 0805 | MURATA GRM21BR61C106KE15L |
| 3 | 2 | C3, C16 | CAP NPO 1000pF 25V 5% 0603 | AVX 06033A102JAT2A |
| 4 | 3 | C4, C10, C14 | CAP X5R 0.1µF 16V 10% 0603 | Tlhaloso: AVX 0603YD104KAT2A |
| 5 | 2 | C5, C11 | CAP NPO 47pF 16V 5% 0603 | AVX,0603YA470JAT2A |
| 6 | 1 | C6 | CAP NPO 680pF 16V 0603 | Tlhaloso: AVX 0603YC681JAT2A |
| 7 | 1 | C13 | CAP X5R 0.01µF 16V 10% 0603 | Tlhaloso: AVX 0603YD103KAT2A |
| 8 | 1 | C7 | CAP X7R 4.7nF 10V 0603 | AVX 0603ZC472JAT2A |
| 9 | 1 | C8 | CAP X5R 4.7µF 16V,10% 0805 | Tlhaloso: AVX 0805YD475KAT2A |
| 10 | 2 | C9, C18 | CAP X5R 1µF 16V,10% 0603 | Tlhaloso: AVX 0603YD105KAT2A |
| 11 | 4 | CIN1, CIN2, CIN3, CIN4 | CAP X5R 22µF 16V 1210 | Tlhaloso: AVX 1210YD226MAT2A |
| 12 | 1 | CIN6 | CAP 180µF 16V SVP-F8 | SANYO 16SVP180MX |
| 13 | 4 | COUT1, COUT2, COUT6, COUT7 | CAP X5R 100µF 6.3V 20% 1206 | MURATA GRM31CR60J107ME39L |
| 14 | 4 | COUT4, COUT5, COUT9, COUT10 | CAP 330µF 2.5V SIZE 7343 | SANYO 2R5TPE330M9 |
| 15 | 2 | D1, D2 | DIODE SCHOTTKY SOD-323 | SEMI SEBAKA. CMDSH-4E TR |
| 16 | 2 | L1, L2 | IND 0.47µH 0.8mΩ DCR | WÜRTH 7443330047 |
| 17 | 2 | Q1, Q2 | MOSFET 5mm x 6mm MATLA STAGE | INFINEON BSC0911ND |
| 18 | 3 | R13, R24, R45 | RES 100k 1% 0603 | VISHAY CRCW0603100KFKEA |
| 19 | 4 | R2, R11, R19, R44 | RES 10k 1% 0603 | Tlhaloso: VISHAY CRCW060310K0FKEA |
| 20 | 1 | R27 | RES CHIP 5.23k 1% 0603 | Tlhaloso: VISHAY CRCW06035K23FKEA |
| 21 | 2 | R29, R31 | RES 2.2Ω 1% 0603 | Setšoantšo sa CRCW06032R20FKEA |
| 22 | 1 | R30 | RES 133k 1% 0603 | VISHAY CRCW0603133KFKEA |
| 23 | 2 | R32, R40 | RES 15k 1% 0603 | Tlhaloso: VISHAY CRCW060315K0FKEA |
| 24 | 13 | R5, R17, R21, R23, R25, R35, R38, R41, R42, R50, R59, R61, R62 | RES 0Ω, 0603 | VISHAY CRCW06030000Z0EA |
| 25 | 4 | R6, R7, R46, R48 | RES 10Ω 1% 0603 | VISHAY CRCW060310R0FKED |
| 26 | 2 | RS1, RS2 | RES 0.001Ω 1W 1% 2512 | VISHAY WSL25121L000FEA |
| 27 | 1 | U1 | Tlhaloso: LTC3838EUHF-2 QFN 38-LEAD | LINEAR TECH. LTC3838EUHF-2 |
Likarolo tse Eketsehileng tsa Potoloho
| 1 | 0 | C1, C2, C15, C17 | CAP 0603 | KHETHA |
| 2 | 1 | C19 | CAP X5R 1µF 16V 0603 | Tlhaloso: AVX 0603YD105KAT2A |
| 3 | 1 | C20 | CAP X5R 4.7µF 16V 0805 | Tlhaloso: AVX 0805YD475KAT2A |
| 4 | 1 | C23 | CAP X5R 1µF 16V 0603 | Tlhaloso: AVX 0603YD105KAT2A |
| 5 | 1 | C24 | CAP X5R 0.01µF 16V 0603 | Tlhaloso: AVX 0603YD103KAT2A |
| 6 | 0 | CIN5 | CAP SVP-F8 | KHETHA |
| 7 | 0 | CIN7-CIN12 | CAP OPT 1210 | KHETHA |
| 8 | 0 | COUT3, COUT8, COUT11-COUT14 | CAP OPT 7343 | KHETHA |
| 9 | 1 | D3 | Tlhaloso: DIODE BZT52C5V6S 5.6V ZENER SOD-323 | DIODES BZT52C5V6S-7-F |
| 10 | 2 | Q11, Q12 | MOSFET N-CH 30V TO-252 | FAIRCHILD FDD8874 |
| 11 | 0 | Q3-Q10 (OPT) | MOSFET LFPAK | KHETHA |
| 12 | 0 | R1, R3, R8, R9, R10, R15, R16, R18, R20, R22, R26, R28, R33, R34, R36, R37, R39, R43, R47, R49, R63 | RES 0603 | KHETHA |
| 13 | 0 | R4, R12, R14 | RES 0603 | KHETHA |
| 14 | 1 | R51 | RES CHIP 10k 1% 0603 | Tlhaloso: VISHAY CRCW060310K0FKEA |
| 15 | 1 | R52 | RES POT 20k 1% POT-3313J-1 | BOURN 3313J-1-203E |
| 16 | 1 | R53 | RES 20k 0.1% 0603 | Setšoantšo sa VISHAY PTN0603E2002BST1 |
| 17 | 1 | R54 | RES 10k 0.1% 0603 | Setšoantšo sa VISHAY PTN0603E1002BSTS |
| 18 | 2 | R55, R56 | RES 10k 1% 0603 | Tlhaloso: VISHAY CRCW060310K0FKEA |
| 19 | 2 | R57, R58 | RES 0.005Ω 1/2W 1% 2010 | VISHAY WSL20105L000FEA |
| 20 | 1 | R60 | RES CHIP 6.65k 0.1% 0603 | Setšoantšo sa VISHAY PTN0603E6651BSTS |
| 21 | 1 | U2 | LT6650HS5 SOT23-5 | LINEAR TECH. LT6650HS5 |
Lisebelisoa
| 1 | 2 | E19, E20 | TESTPOINT TURRET 0.095″ | MILL-MAX 2501-2-00-80-00-00-07-0 |
| 2 | 26 | E1-E7, E9, E11-E28 | TESTPOINT TURRET 0.095″ | MILL-MAX 2501-2-00-80-00-00-07-0 |
| 3 | 6 | J1-J6 | THUTO PIN | PEM KFH-032-10 |
| 4 | 6 | J1-J6 | NATE KOROSI #10-32 | TSOHLE |
| 5 | 6 | J1-J6 | LEKHOTLA LA RING #10 | SEHLOOHO SA 8205 |
| 6 | 12 | J1-J6 | MOHLATS'OA LETETE LE KOPO | TSOHLE |
| 7 | 2 | J7, j8 | CONN BNC 5 LIPHIRI | CONNEX 112404 |
| 8 | 2 | JP1, JP4 | HEADER 2MM SINGLE 3-PIN | SAMTEC TMM-103-02-LS |
| 9 | 2 | JP2, JP3 | HEADER 2MM SINGLE 4-PIN | SAMTEC TMM-104-02-LS |
| 10 | 2 | JP5, JP6 | HEADER 2MM SINGLE 3-PIN | SAMTEC TMM-103-02-LS |
| 11 | 1 | XJP1-XJP4 | QOBA | SAMTEC 2SN-BK-G |
| 12 | 1 | XJP5,XJP6 | QOBA | SAMTEC 2SN-BK-G |
SETSEKI SEKEMO
LEBOTO LA POTSO TSEBISO
Linear Technology Corporation (LT C) e fana ka lihlahisoa tse kentsoeng tlas'a maemo a latelang a AS IS:
Setsi sena sa Boto ea Lipontšo (DEMO BOARD) se rekisoang kapa se fanoang ke Linear Technology se reretsoe ho sebelisoa HO NTSHETSOPELE KAPA MORERO OA TŠEBELETSO FEELA 'me ha o fanoe ke LT C molemong oa khoebo. Ka hona, DEMO BOARD e ka 'na ea se ke ea phethahala ho latela moralo o hlokoang, oa ho bapatsa, le/kapa oa ts'ireletso o amanang le tlhahiso, ho kenyeletsoa empa ho sa lekanyetsoe mehato ea polokeho ea sehlahisoa eo hangata e fumanoang thepa e felileng ea khoebo. Joalo ka mohlala, sehlahisoa sena ha se oele ka har'a taelo ea European Union mabapi le khokahano ea motlakase, ka hona se ka fihlela kapa se se ke sa fihlela litlhoko tsa tekheniki tsa taelo, kapa melaoana e meng. Haeba sephutheloana sena sa tlhahlobo se sa kopane le lintlha tse boletsoeng bukeng ea DEMO BOARD khithi e ka khutlisoa nakong ea matsatsi a 30 ho tloha ka letsatsi la thomello bakeng sa puseletso e felletseng. TIISETSO E FETILENG FELA KE TIISETSO E KHETHEHILENG E ETSOANG KE MOREKI HO MOREKI MAMETLETO TSA LITIISETSO TSE LING TSOHLE, TSE HLAHANG, TSE BONANG, KAPA MOLAO, HO kenyeletsoa TIISETSO EFE KAPA EFE EA THEKISO KAPA HO LOKELA MOSEBETSI OA MANG KAPA MANG. KA NTLE HO BOKGONG TSA TLOTLISO ENA, HA HO MOKHATLO OO O TLA IKARABELLA O MONG MABANG LE LITšenyo life kapa life tse sa tobang, tse KHETHEHILENG, TSA DITIRO, KAPA TSE LATELANG.
Mosebedisi o nka boikarabelo bohle le boikarabelo ba ho tshwara thepa ka tsela e nepahetseng le e bolokehileng. Ho feta moo, mosebelisi o lokolla LT C litletlebong tsohle tse hlahisoang ke ho sebetsana kapa ho sebelisoa ha thepa. Ka lebaka la kaho e bulehileng ea sehlahisoa, ke boikarabello ba mosebelisi ho nka mehato efe kapa efe e nepahetseng mabapi le ho tsoa ha electrostatic. Hape hlokomela hore lihlahisoa tse mona li kanna tsa se be tumellanong le melao kapa setifikeiti sa setsi (FCC, UL, CE, joalo-joalo).
Ha ho Laesense e fanoang tlas'a tokelo efe kapa efe ea patent kapa thepa e 'ngoe ea mahlale. LT C ha e nke boikarabelo ba ho thusa lits'ebetso, moralo oa sehlahisoa sa bareki, ts'ebetso ea software, kapa tlolo ea molao ea litokelo tsa molao kapa litokelo life kapa life tsa thepa ea mahlale tsa mofuta ofe kapa ofe. LT C hajoale e fana ka litšebeletso tse fapaneng tsa bareki bakeng sa lihlahisoa ho pota lefatše, ka hona, thekiso ena ha e ikhethele.
Ka kopo bala bukana ea DEMO BOARD pele u sebetsana le sehlahisoa. Batho ba sebetsanang le sehlahisoa sena ba tlameha ho ba le koetliso ea elektronike le ho boloka litekanyetso tse ntle tsa laboratori. Ho sebelisa kelello hoa khothaletsoa.
Tsebiso ena e na le tlhaiso-leseling ea bohlokoa ea polokeho mabapi le mocheso le voltages. Bakeng sa mathata a mang a polokeho, ka kopo ikopanye le moenjiniere oa kopo oa LT C.
Aterese ea poso:
Linear Technology
1630 McCarthy Blvd.
Milpitas, CA 95035
Copyright © 2004, Linear Technology Corporation
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Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
408-432-1900
FAX: 408-434-0507
www.linear.com
Litokomane / Lisebelisoa
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