LINEAR TECHNOLOGY LTM4644EY Quad 4A Tso Tawm Kauj Ruam µModule Regulator
Product Information:
- Khoom npe: Demo Phau Ntawv Qhia DC1900A
- Qauv: LTM4644EY Quad 4A tso zis kauj ruam-down
Nqe lus piav qhia:
Lub Demo Phau Ntawv Qhia DC1900A yog lub rooj tsav xwm hauv Circuit Court tsim los ntsuas qhov ua tau zoo ntawm LTM4644EY Quad 4A Output Step-Down module. Nws nta ob peb lub tswv yim thiab tso zis capacitor thiab muab cov zis voltage taug qab los ntawm TRACK / SS tus pin rau kev xa khoom rail sequencing. Lub Rooj Tswjhwm Saib kuj tseem txhawb cov moos sab nraud synchronization los ntawm CLKIN tus pin. Daim ntawv teev cov ntaub ntawv LTM4644 yuav tsum tau nyeem ua ke nrog phau ntawv qhia no ua ntej ua haujlwm los yog hloov kho qhov demo circuit.
Khoom Cov lus qhia siv:
Cov hauv qab no yog cov lus qhia ua ntu zus rau kev siv Demo Manual DC1900A: 1. Txoj Kev Pib Ceev: a. Muab cov jumpers (JP1-JP8) hauv cov haujlwm hauv qab no: - JP1: RUN1 ON - JP2: RUN2 ON - JP3: RUN3 ON - JP4: RUN4 ON - JP8: MODE1 CCM - JP7: MODE2 CCM - JP6: MODE3 CCM - JP5 : MODE4 CCM b. Ua ntej txuas cov khoom siv, preset lub tswv yim voltage muab nruab nrab ntawm 4.5V rau 14V thiab teem caij thauj khoom tam sim no rau 0A. c. Txuas cov loads, input voltage mov, thiab meters raws li qhia hauv daim duab 1 ntawm cov neeg siv phau ntawv. 2. Load Adjustment: a. Fais fab tuag Circuit Court. b. Kho cov load tam sim no rau txhua theem hauv qhov ntau ntawm 0A txog 4A. c. Saib xyuas cov kev cai thauj khoom, kev ua haujlwm, thiab lwm yam tsis muaj. 3. Ua kom lub teeb Load Efficiency: a. Txhawm rau saib xyuas lub teeb pom kev ua haujlwm tau zoo, tso hom tus pin jumper (JP5-JP8) hauv DCM hom txoj haujlwm.
Nco tseg:
Kev xaiv jumper txoj haujlwm muaj nyob rau ntawm DC1900A los ntsuas kev ua haujlwm sib luag ntawm LTM4644. Rau kev ua haujlwm sib luag ntawm tag nrho 4 qhov tso tawm, tsis txhob nruab ib qho jumpers rau R32-R46. Thov xa mus rau tus neeg siv phau ntawv rau cov ntaub ntawv ntxiv thiab cov duab kos.
Daim ntawv teev npe:
Cov nram qab no yog cov npe ntawm cov khoom siv hluav taws xob uas yuav tsum tau muaj ntawm Demo Manual DC1900A: 1. C1, C3:
Capacitor 2. C6: Capacitor 3. C9, C17, C28, C36: Capacitor 4.
C10, C16, C29, C35: Capacitors 5. R3: Resistor 6. R4: Resistor 7.
R11: Resistor 8. R12: Resistor 9. U1: Integrated Circuit Court
Tsis tas li ntawd, muaj ntxiv demo board circuit Cheebtsam teev nyob rau hauv phau ntawv siv. Rau cov ncauj lus kom ntxaws txog daim duab kos duab thiab cov ntaub ntawv ntxiv, thov mus saib hauv phau ntawv siv los yog mus saib ntawm qhov muab txuas rau kev tsim files. Qhov chaw: http://www.linear.com/demo/DC1900A
Kev piav qhia
Ua qauv qhia Circuit Court 1900A nta LTM® 4644EY μModule® regulator, ua haujlwm siab ua haujlwm siab quad tso tawm cov kauj ruam-down regulator. Lub LTM4644EY muaj kev khiav hauj lwm tawm tswv yim voltage ntau ntawm 4V txog 14V thiab muaj peev xwm muab tau txog 4A ntawm cov zis tam sim no los ntawm txhua theem.
Txhua qhov tso zis voltage yog programmable los ntawm 0.6V rau 5.5V.
Lub LTM4644EY yog DC / DC point ntawm load regulator nyob rau hauv ib tug 9mm × 15mm × 5.01mm BGA pob yuav tsum tau tsuas yog ob peb input thiab output capacitors. Tso zis voltage mus txog qhovtwg yog muaj los ntawm TRACK / SS tus pin rau cov khoom siv rail sequencing.
Lub moos sab nraud synchronization kuj muaj los ntawm CLKIN tus pin. Cov ntaub ntawv LTM4644 yuav tsum tau nyeem ua ke nrog phau ntawv qhia no ua ntej ua haujlwm lossis hloov kho demo circuit 1900A.
Tsim files rau lub rooj tsav xwm Circuit Court no muaj nyob ntawm http://www.linear.com/demo/DC1900A
Cov ntsiab lus ua haujlwm
Specifications ntawm TA = 25 ° C
| PARAMETER | TXOJ CAI | VALUE |
| Cov lus qhia Voltage Ntau yam | 4V rau 14V | |
| Tso zis Voltage VOUT | Jumper Xaiv tau | VOUT1 = 3.3VDC, VOUT2 = 2.5VDC,
VOUT3 = 1.5VDC, VOUT4 = 1.2VDC |
| Maximum Nruam Load tam sim no ib qhov tso zis | De-rating yog tsim nyog rau qee yam kev ua haujlwm. Saib daim ntawv qhia kom paub meej | 4 ADC |
| Default ua hauj lwm zaus | 1MHz | |
| Kev ua tau zoo | VIN = 12V, VOUT1 = 3.3V, IOUT = 4A | 89% Saib daim duab 2 |
Board Duab
Cov txheej txheem pib ceev
Kev ua qauv qhia Circuit Court 1900A yog ib txoj hauv kev yooj yim los ntsuas qhov ua tau zoo ntawm LTM4644EY. Thov xa mus rau daim duab 1 rau kev sim teeb tsa kev sib txuas thiab ua raws li cov txheej txheem hauv qab no.
- Nrog lub zog tawm, tso cov jumpers hauv cov haujlwm hauv qab no:
jp1 ua jp2 ua jp3 ua jp4 ua RUN1 RUN2 RUN3 RUN4 ON ON ON ON jp8 ua jp7 ua jp6 ua jp5 ua MODE1 MODE2 MODE3 MODE4 CCM CCM CCM CCM - Ua ntej txuas cov khoom nkag, loads thiab meters, preset lub input voltage muab los ntawm 4.5V txog 14V. Preset lub load tam sim no rau 0A.
- Nrog fais fab tuag, txuas cov loads, input voltage mov thiab meters raws li qhia hauv daim duab 1.
- Qhib input fais fab mov. Cov zis voltage meters rau txhua theem yuav tsum tso saib cov programmed tso zis voltage hauv ± 2%.
- Thaum cov zis voltage yog tsim, kho cov load tam sim no rau txhua theem nyob rau hauv lub 0A mus rau 4A ntau yam thiab saib xyuas cov kev cai load, efficiency, thiab lwm yam tsis.
- Txhawm rau saib xyuas kev ua haujlwm ntawm lub teeb pom kev zoo tso rau hom tus pin jumper (JP5-JP8) hauv txoj haujlwm DCM.
Nco tseg: Kev xaiv jumper txoj haujlwm muaj nyob rau ntawm DC1900A kom tso cai rau kev teeb tsa yooj yim los ntsuas kev ua haujlwm sib luag ntawm LTM4644. Rau example, mus rau qhov sib npaug tag nrho 4 qhov tawm ntawm LTM4644 ua ke cov khoom 0Ω jumpers rau R32-R46.
Daim ntawv teev npe
| Yam khoom | QTY | CEEB TOOM | PART DESCRIPTION | MANUFACTURER/PART NUMBER |
Yuav tsum tau Circuit Court Cheebtsam
| 1 | 2 | C1, C3 | CAB, 1206, CER. 22µF 25V X5R 20% | MURATA, GRM31CR61E226KE15L |
| 2 | 1 | C6 | CAP, 0603, X5R, 1uF, 16V 10% | AVX, 0603YD105KAT2A |
| 3 | 4 | C9, C17, C28, C36 | CAB, 1210 CER. 47f 6.3v | AVX, 12106D476MAT2A |
| 4 | 4 | C10, C16, C29, C35 | CAP, 1206, X5R, 47uF, 6.3V, 20% | TAIYO YUDEN, JMK316BJ476ML |
| 5 | 1 | R3 | RES, 0603, 13.3kΩ 1% 1/10W | VISHAY CRCW060313K3FKUA |
| 6 | 1 | R4 | RES, 0603, 40.2kΩ 1% 1/10W | VISHAY CRCW060340K2FKUA |
| 7 | 2 | R11 | RES, 0603, 19.1kΩ 1% 1/10W | VISHAY CRCW060319K1FKUA |
| 8 | 1 | R12 | RES, 0603, 60.4kΩ 1% 1/10W | VISHAY CRCW060360K4FKUA |
| 9 | 1 | U1 | LTM4644EY, BGA-15X9-5.01 | LINEAR TECH CORP. LWM 4644 EY |
Ntxiv Demo Board Circuit Cheebtsam
| 1 | 2 | C4, C5 | CAB, 1206, CER. 22µF 25V X5R 20% | MURATA, GRM31CR61E226KE15L |
| 2 | 1 | C2 | CAP, 7343, POSCAP 68µF 16V | SANYO, 16TQC68MYF |
| 3 | 6 | C7, C21, C22, C31, C41, C42 | CAP, 0603, OPTION | OPTION |
| 4 | 4 | C8, C18, C27, C37 | CAP, 7343, POSCAP, OPTION | OPTION |
| 5 | 8 | C11, C12, C14, C15, C30, C38, C33, C34 | CAP, 1206, CER., OPTION | OPTION |
| 6 | 2 | C13, C32 | CAP, 0603, CER., 100 PF | AVX 06033C101KAT2A |
| 7 | 4 | R7, R8, R15, R16 | RES, 0603, 0Ω 1% 1/10W | VISHAY, CRCW06030000Z0ED |
| 8 | 1 | R28 | RES, 0805, 0Ω 5% 1/16W | VISHAY, CRCW08050000Z0EA |
| 9 | 4 | R19, R20, R21, R22 | RES, 0603, 150kΩ 5% 1/10W | VISHAY CRCW0603150KJNEA |
| 10 | 4 | R23, R24, R25, R26 | RES, 0603, 100kΩ 5% 1/10W | VISHAY CRCW0603100KJNEA |
| 11 | 4 | R9, R10, R17, R18 | RES, 0603, OPTION | OPTION |
| 12 | 12 | R32-R35, R37-R40, R42-R45 (OPT) | RES, 0603, OPTION | OPTION |
| 13 | 3 | R36, R41, R46 (OPT) | RES, 2512, 0Ω, OPTION | OPTION |
| 14 | 4 | C25, C26, C45, C46 | CAB, 0603, CER. 10 µF 50V X7R | TDK, C1608X7R1H104M |
| 15 | 1 | R1 | RES., 0603, CHIP, 10k, 1% | VISHAY, CRCW060310K0FKED UA |
| 16 | 1 | R2 | RES, 0603, 1Ω 5% 1/10W | VISHAY, CRCW06031R00JNEA |
| 17 | 4 | R27, R29, R30, R31 | RES, 0603, 100kΩ 5% 1/10W | VISHAY CRCW0603100KJNEA |
Kho vajtse
| 1 | 16 | E1, E3-E17 | TESTPOINT, TURRET 0.094 " | MILLMAX 2501-2-00-80-00-00-07-0 |
| 2 | 2 | j1,j 2 | JACK, BANANA | KUB 575-4 |
| 3 | 8 | JP1-JP8 | JMP, 0.079 SIB NTAUB NTAWV, 3 PIN | SULLINS, NRPN031PAEN-RC |
| 4 | 8 | XJP1-XJP8 | SHUNT, .079 "CENTER | SAMTEC, 2SN-BK-G |
| 5 | 4 | STAND-OFFS | STAND-OFF, SNAP ON, NYLON 0.375 "siab | KEYSTONE, 8832 (SNAP RAU) |
Schematic daim duab
QHIA
LINEAR TECHNOLOGY tau ua qhov zoo tshaj plaws los tsim ib lub voj voog uas ua tau raws li cov neeg siv khoom tshwj xeeb; Txawm li cas los xij, nws tseem yog tus neeg siv khoom lub luag haujlwm los txheeb xyuas qhov tsim nyog thiab ntseeg tau ua haujlwm hauv daim ntawv thov tiag tiag. COMPONENT SUBSTITUTION THIAB PRINTED CIRCUIT BOARD layout TAM SIM NO tuaj yeem cuam tshuam rau Circuit Court kev ua tau zoo lossis kev ntseeg siab. Hu rau LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
DEMONSTRATION BOARD CEEB TOOM TSEEM CEEB
Linear Technology Corporation (LTC) muab cov khoom ntim khoom raws li hauv qab no AS IS cov xwm txheej:
Lub rooj tsav xwm ua qauv qhia no (DEMO BOARD) cov khoom siv raug muag lossis muab los ntawm Linear Technology yog tsim los siv rau ENGINEERING DEVELOPMENT LOSSIS KOM TSEV KAWM NTAWV XWB thiab tsis yog muab los ntawm LTC rau kev lag luam siv. Yog li, DEMO BOARD ntawm no yuav tsis ua tiav raws li qhov xav tau tsim-, kev lag luam-, thiab / lossis kev tsim khoom cuam tshuam txog kev tiv thaiv kev txiav txim siab, suav nrog tab sis tsis txwv rau kev ntsuas kev nyab xeeb khoom feem ntau pom hauv cov khoom lag luam tiav. Raws li ib tug qauv, cov khoom no tsis poob nyob rau hauv lub Scope ntawm European Union cov lus qhia ntawm electromagnetic compatibility thiab yog li ntawd tej zaum yuav los yog tsis tau raws li cov kev cai ntawm cov lus qhia, los yog lwm yam kev cai.
Yog tias cov khoom siv ntsuas no tsis ua raws li cov lus qhia tshwj xeeb uas tau hais hauv DEMO BOARD phau ntawv qhia, cov khoom siv yuav raug xa rov qab tsis pub dhau 30 hnub txij li hnub xa khoom kom them rov qab tag nrho. LUB SIJ HAWM HAUV TSEV KAWM NTAWV YUAV TSUM TAU TXAIS KEV PAB CUAM TSHUAJ TIV THAIV los ntawm tus neeg muag khoom rau cov neeg yuav khoom thiab yog nyob rau hauv kev hloov pauv ntawm tag nrho lwm yam kev lav phib xaub, nthuav tawm, hais tawm, lossis kev cai lij choj, suav nrog txhua qhov kev lav phib xaub ntawm cov khoom lag luam. TAB SIS TXOJ KEV TXIAV TXIM NTAWM LUB SIJ HAWM NO, TSIS TXAUS SIAB THIAB TSIS TXAUS SIAB RAU LEEJ TWG LOS NTAWM TXOJ CAI, tshwj xeeb, xwm txheej, lossis kev puas tsuaj loj.
Tus neeg siv yuav luag txhua lub luag haujlwm thiab kev lav phib xaub rau kev tuav cov khoom kom raug thiab nyab xeeb. Tsis tas li ntawd, tus neeg siv tso LTC los ntawm txhua qhov kev thov uas tshwm sim los ntawm kev tuav lossis siv cov khoom. Vim yog qhib kev tsim khoom ntawm cov khoom, nws yog tus neeg siv lub luag haujlwm yuav tsum tau ua ib qho thiab tag nrho cov kev ceev faj tsim nyog hais txog electrostatic paug. Tsis tas li ntawd yuav tsum paub tias cov khoom ntawm no tej zaum yuav tsis yog raws li txoj cai los yog lub koom haum certified (FCC, UL, CE, thiab lwm yam).
Tsis muaj daim ntawv tso cai raug tso cai raws li txoj cai patent lossis lwm yam cuab yeej kev txawj ntse txawm li cas los xij. LTC xav tias tsis muaj kev lav phib xaub rau cov ntawv thov kev pab, cov neeg siv khoom tsim, kev ua haujlwm ntawm software, lossis kev ua txhaum cai ntawm patents lossis lwm yam khoom ntiag tug ntawm txhua yam.
LTC tam sim no muab kev pabcuam ntau yam ntawm cov neeg siv khoom rau cov khoom lag luam thoob ntiaj teb, thiab yog li qhov kev hloov pauv no tsis yog tshwj xeeb.
Thov nyeem DEMO BOARD phau ntawv ua ntej yuav tuav cov khoom. Cov neeg tuav cov khoom no yuav tsum muaj kev cob qhia hauv tshuab hluav taws xob thiab ua raws li cov qauv kev coj ua zoo. Kev xav tau txhawb nqa.
Daim ntawv ceeb toom no muaj cov ntaub ntawv tseem ceeb txog kev nyab xeeb txog qhov kub thiab txias thiab voltages. Yog xav paub ntxiv txog kev nyab xeeb, thov hu rau LTC daim ntawv thov engineer.
Chaw Nyob Xa Ntawv:
Linear Technology
1630 McCarthy Blvd.
Milpitas, CA 95035, UA
Copyright © 2004, Linear Technology Corporation
Linear Technology Corporation
1630 McCarthy Blvd, Milpitas, CA 95035-7417
408-432-1900 Ib ● Fax: 408-434-0507 Ib ● www.linear.com ua
Downloaded los ntawm Arrow.com.
Cov ntaub ntawv / Cov ntaub ntawv
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LINEAR TECHNOLOGY LTM4644EY Quad 4A Tso Tawm Kauj Ruam µModule Regulator [ua pdf] Cov neeg siv phau ntawv qhia LTM4644EY Quad 4A Output Step Down Module Regulator, LTM4644EY, Quad 4A Tso Tawm Kauj Ruam Down Module Regulator, Kauj Ruam Down Module Regulator, Module Regulator, Regulator |