LINEAR TECHNOLOGY LTM4644EY Quad 4A Output Step Down µModule Regulator
Fa'amatalaga o oloa:
- Igoa o oloa: Fa'aaliga Fa'aaliga DC1900A
- Fa'ata'ita'iga: LTM4644EY Quad 4A Output Laasaga-I lalo
Fa'amatalaga:
O le Demo Manual DC1900A o se laupapa matagaluega ua fuafuaina e iloilo le faatinoga o le LTM4644EY Quad 4A Output Step-Down module. O lo'o fa'aalia ai ni nai mea fa'apipi'i ma fa'aulufalega ma ofo atu voltage su'esu'e ile pine TRACK/SS mo le fa'asologa o nofoaafi. E lagolagoina foi e le laupapa le fa'amaopoopoina o uati i fafo e ala i le pine CLKIN. O le LTM4644 pepa fa'amaumauga e tatau ona faitau fa'atasi ma lenei fa'ata'ita'iga tusi lesona a'o le'i galue i luga po'o le suia o le ta'amilosaga fa'ata.
Oloa Fa'atonuga fa'aoga:
O lo'o ta'ua i lalo fa'atonuga ta'itasi mo le fa'aaogaina o le Tusi Ta'iala DC1900A. Tuu le au osooso (JP1-JP1) i tulaga nei: – JP8: RUN1 ON – JP1: RUN2 ON – JP2: RUN3 ON – JP3: RUN4 ON – JP4: MODE8 CCM – JP1: MODE7 CCM – JP2: MODE6 CCM – JP3 : MODE5 CCM e. A'o le'i fa'afeso'ota'i so'o se sapalai, fa'atulaga le voltage tu'uina atu i le va o le 4.5V i le 14V ma fa'atulaga le uta i le 0A. i. Faʻafesoʻotaʻi uta, ulufale voltage sapalai, ma mita e pei ona faaalia i le Ata 1 o le tusi lesona. 2. Fetuunaiga o uta: a. Pa'u le eletise. e. Fetuuna'i le tau o uta mo vaega ta'itasi i totonu ole va ole 0A i le 4A. i. Mataʻituina le faʻatonuga o uta, lelei, ma isi faʻamaufaʻailoga. 3. Fa'ateleina le Uta Mama: a. Ina ia maitauina le faʻateleina o le mamafa o le uta, tuʻu se faʻasolo pine (JP5-JP8) i le tulaga DCM Mode.
Fa'aaliga:
E avanoa avanoa osooso i luga ole DC1900A e iloilo ai fa'agaioiga tutusa ole LTM4644. Mo le fa'aogaina tutusa o galuega uma e 4, aua ne'i fa'apipi'i so'o se osooso mo R32-R46. Fa'amolemole fa'asino ile tusi fa'aoga mo fa'amatalaga fa'aopoopo ma fa'ata fa'ata'amilosaga.
Lisi Vaega:
O lo'o ta'ua i lalo le lisi o vaega mo vaega ta'amilosaga mana'omia o le Tusi Ta'iala DC1900A: 1. C1, C3:
Pusa 2. C6: Pusa 3. C9, C17, C28, C36: Pusa 4.
C10, C16, C29, C35: Pusa 5. R3: Tetee 6. R4: Tetee 7.
R11: Resistors 8. R12: Resistor 9. U1: Integrated Circuit
E le gata i lea, o lo'o i ai isi vaega fa'ata'ita'i fa'ata'amilosaga o lo'o lisiina i totonu o le tusi fa'aoga. Mo au'ili'ili fa'ata'ita'iga ma nisi fa'amatalaga, fa'amolemole fa'afeso'ota'i le tusi fa'aoga pe asiasi i le feso'ota'iga ua tu'uina atu mo le mamanu files. Punavai: http://www.linear.com/demo/DC1900A
Fa'amatalaga
Fa'aaliga ta'amilosaga 1900A o lo'o fa'aalia ai le LTM®4644EY μModule® fa'atonu, o se fa'atonuga fa'a-fa'aola fa'auluuluga fa'atino maualuga fa'atino. O le LTM4644EY o lo'o i ai se voluma fa'aoga galuetage laina ole 4V i le 14V ma e mafai ona tuʻuina atu e oʻo atu i le 4A o gaioiga o loʻo i ai nei mai ona vaega taʻitasi.
Voltage mafai ona fa'apolokalameina mai le 0.6V i le 5.5V.
O le LTM4644EY o se DC / DC o le faʻatonuina o uta i totonu o se pusa 9mm × 15mm × 5.01mm BGA e manaʻomia ai naʻo ni nai mea faʻapipiʻi ma mea e gaosia. Tulaga voltage maua le su'esu'ega ile pine TRACK/SS mo le fa'asologa o nofoaafi.
O lo'o maua fo'i le fa'amaopoopoina o le uati i fafo e ala i le pine CLKIN. E tatau ona faitau le pepa fa'amaumauga a le LTM4644 fa'atasi ma lenei tusi fa'ata'ita'iga a'o le'i galue pe suia le demo circuit 1900A.
Fuafuaga files mo lenei laupapa matagaluega o loo maua i http://www.linear.com/demo/DC1900A
Aotelega o Galuega
O faʻamatalaga o loʻo i le TA = 25°C
| PARAMETER | TULAGA | TULAGA |
| Sao Voltagu lautele | 4V i le 14V | |
| Galuega Faatino Voltage VOUT | Jumper Filifilia | VOUT1 = 3.3VDC, VOUT2 = 2.5VDC,
VOUT3 = 1.5VDC, VOUT4 = 1.2VDC |
| Maualuluga Fa'aauau Uta i le taimi nei i le Gao'o | E mana'omia le fa'ate'aina mo nisi tulaga fa'atino. Va'ai pepa fa'amatalaga mo fa'amatalaga | 4TLM |
| Fa'agasolo Fa'agaoioi Auala | 1MHz | |
| Lelei | VIN = 12V, VOUT1 = 3.3V, IOUT = 4A | 89% Va'ai le Ata 2 |
Ata laupapa
Faiga Fa'atosina Amata
Faʻaaliga faʻataʻitaʻiga 1900A o se auala faigofie e iloilo ai le faʻatinoga o le LTM4644EY. Fa'amolemole va'ai le Ata 1 mo feso'ota'iga seti o su'ega ma mulimuli i le fa'agasologa o lo'o i lalo.
- Pe a tape le paoa, tuu le au osooso i tulaga nei:
JP1 JP2 JP3 JP4 TAUMALO1 TAUMALO2 TAUMALO3 TAUMALO4 ON ON ON ON JP8 JP7 JP6 JP5 TULAGA1 TULAGA2 TULAGA3 TULAGA4 CCM CCM CCM CCM - A'o le'i fa'afeso'ota'i sapalai fa'aoga, uta ma mita, fa'atulaga le voltage tu'uina atu i le va o le 4.5V i le 14V. Fa'atulaga le uta i le 0A.
- Pe a tape le paoa, fa'afeso'ota'i uta, voltage sapalai ma mita e pei ona fa'aalia i le Ata 1.
- Fa'aola le sapalai eletise. O galuega faatino voltage mita mo vaega ta'itasi e tatau ona fa'aalia le voltage i totonu ole ± 2%.
- O le taimi lava e tatau ai le voltage fa'atūina, fetu'utu'una'i le tau o uta mo vaega ta'itasi i totonu o le 0A i le 4A laina ma mata'ituina le fa'atonuga o uta, lelei, ma isi ta'iala.
- Ina ia mata'ituina le fa'ateleina o le uta mama tu'u le fa'aoso pine (JP5-JP8) i le tulaga DCM Mode.
Fa'aaliga: O lo'o avanoa avanoa osooso i luga ole DC1900A e fa'ataga ai se seti faigofie e iloilo ai le fa'agaioiga tutusa o le LTM4644. Mo example, e fa'atusa uma mea e 4 a le LTM4644 fa'atasi mea 0Ω osooso mo R32-R46.
Lisi Vaega
| MEA | QTY | TUSI | VAEGA FAAMATALAGA | FAITAU / VAEGA NUMERA |
Vaega Fa'aliko Manaomia
| 1 | 2 | C1, C3 | CAP, 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 | CAP, 1210 CER. 47µF 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 CRCW060313K3FKEA |
| 6 | 1 | R4 | RES, 0603, 40.2kΩ 1% 1/10W | VISHAY CRCW060340K2FKEA |
| 7 | 2 | R11 | RES, 0603, 19.1kΩ 1% 1/10W | VISHAY CRCW060319K1FKEA |
| 8 | 1 | R12 | RES, 0603, 60.4kΩ 1% 1/10W | VISHAY CRCW060360K4FKEA |
| 9 | 1 | U1 | LTM4644EY, BGA-15X9-5.01 | LINEAR TECH.CORP. LTM4644EY |
Vaega Fa'aopoopo a le Komiti Fa'atino Fa'aaliga
| 1 | 2 | C4, C5 | CAP, 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, FILIFILI | FILIFILIGA |
| 4 | 4 | C8, C18, C27, C37 | CAP, 7343, POSCAP, FILIFILI | FILIFILIGA |
| 5 | 8 | C11, C12, C14, C15, C30, C38, C33, C34 | CAP, 1206, CER., FILIFILI | FILIFILIGA |
| 6 | 2 | C13, C32 | CAP, 0603, CER., 100PF | 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, FILIFILI | FILIFILIGA |
| 12 | 12 | R32-R35, R37-R40, R42-R45 (OPT) | RES, 0603, FILIFILI | FILIFILIGA |
| 13 | 3 | R36, R41, R46 (OPT) | RES, 2512, 0Ω, FILIFILI | FILIFILIGA |
| 14 | 4 | C25, C26, C45, C46 | CAP, 0603, CER. 10µF 50V X7R | TDK, C1608X7R1H104M |
| 15 | 1 | R1 | RES., 0603, CHIP, 10k, 1% | VISHAY, CRCW060310K0FKED |
| 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 |
Meafaigaluega
| 1 | 16 | E1, E3-E17 | TESTPOINT, TURRET 0.094″ | MILLMAX 2501-2-00-80-00-00-07-0 |
| 2 | 2 | J1, J2 | SAKA, FA’I | MA'A'AU 575-4 |
| 3 | 8 | JP1-JP8 | JMP, 0.079 FAITAU LAVA TASI, 3 PIN | SULLINS, NRPN031PAEN-RC |
| 4 | 8 | XJP1-XJP8 | SHUNT, .079″ CENTER | SAMTEC, 2SN-BK-G |
| 5 | 4 | TOTONU | TUMAU, SAP I, NAILON 0.375″ LUMA | MA'A'U'U, 8832(MAGA) |
Ata fa'ata'atia
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LINEAR TECHNOLOGY LTM4644EY Quad 4A Output Step Down µModule Regulator [pdf] Taiala mo Tagata Fa'aoga LTM4644EY Quad 4A Output Step Down Regulator Module, LTM4644EY, Quad 4A Output Step Down Pule Fa'atonu, La'a i lalo Pule Fa'atonu, Pule Fa'atonu, Pule Fa'atonu. |