Njirimara ngwaahịa:
| Ụdị | Kọwaa |
| udi | Sekit jikọtara ọnụ (IC) PMIC - Ndị na-achịkwa voltaji - DC DC ndị na-ahụ maka mgbanwe mgbanwe |
| emeputa | Ngwa Texas |
| usoro | SWIFT™ |
| ngwugwu | Teepu na Reel (TR)Shear Band (CT)Digi-Reel® Custom Reel |
| ngwaahịa ọnọdụ | dị na ngwaahịa |
| Ọrụ | Buck |
| nhazi mmepụta | dị nnọọ |
| topology | Buck |
| ụdị mmepụta | mgbanwe |
| Ọnụọgụ nke mmepụta | 1 |
| Voltaji - Ntinye (Nkeji) | 2.95V |
| Voltaji - Ntinye (Max) | 6V |
| Voltaji - Mpụta (nkeji/obere) | 0.827V |
| Voltaji - Mpụta (Kachasị) | 4.5V |
| Ugbu a - Mmepụta | 3A |
| Ugboro - mgba ọkụ | 300kHz ~ 2MHz |
| Ihe nrụpụta mmekọrịta | Ee |
| Ọnọdụ okpomọkụ na-arụ ọrụ | -40°C ~ 150°C (TJ) |
| ụdị echichi | Ụdị Ugwu elu |
| Ngwugwu/Mkpuchi | Mpempe akwụkwọ ekpughere 16-WFQFN |
| Nkwakọ ngwaahịa ngwaahịa | 16-WQFN (3x3) |
| Nọmba ngwaahịa bụ isi | TPS54319 |
Nkewa gburugburu na mbupụ:
| Àgwà | Kọwaa |
| Ọnọdụ RoHS | Dabara na nkọwapụta ROHS3 |
| Ọkwa Mmetụta Umi (MSL) | 2 (1 afọ) |
| Ọkwa iru | Ngwaahịa anaghị eru eru |
| ECN | EAR99 |
| HTSUS | 8542.39.0001 |
Ntinye 2.95-V ruo 6-V, Nrụpụta 3-A, 2-MHz, Nkwụsị-Nzọụkwụ Mmekọrịta
Switcher na FET jikọtara ọnụ (SWIFT™)
1
Atụmatụ
Nkọwa
2
• MOSFET abụọ 45-mΩ (nke a na-ahụkarị) maka Elu
Ngwa TPS54319 bụ 6 V, 3 A, nwere njiri mara ya.
Ịrụ ọrụ na ibu 3-A
synchronous nzọụkwụ ala ugbu a mode Ntụgharị nwere
MOSFET abụọ jikọtara ọnụ.
•
Ugboro ngbanwe 300kHz ruo 2MHz
•
0.8 V ± 3.0% Ntụaka voltaji gafere
TPS54319 na-enyere obere aghụghọ aka site na ijikọ
MOSFET, na-emejuputa njikwa ọnọdụ ugbu a ka
Okpomọkụ (0°C ruo 85°C)
belata mpụta akụrụngwa ọnụ, mbenata inductor
•
Na-emekọrịta na elekere Mpụga
nha site n'ịkwado ugboro ngbanwe 2 MHz,
•
Mmalite/usoro usoro nwayọ nwayọ
na iji obere 3mm x belata akara ukwu IC
•
UV na OV Ike Mmepụta dị mma
Ngwungwu QFN 3mm kwalitere thermally.
•
-40°C ruo 150°C Njikọ ọrụ
TPS54319 na-enye iwu ziri ezi maka a
Oke okpomọkụ
ibu dị iche iche nwere ezigbo ± 3.0% voltaji
Ntụaka (VREF) karịa okpomọkụ.
•
3mm × 3mm 16-pin QFN kwalitere nke ọma
•
Pin dakọtara na TPS54318
A na-abawanye arụmọrụ site na 45mΩ agbakwunyere
MOSFETs na 360mA ụdị ọkọnọ ugbu a.Iji
pin na-enyere aka, nkwụsị ọkọnọ ugbu a na-ebelata ka
Ngwa
2 µA site na itinye ọnọdụ nkwụsị.
•
Igwe ọkụ dị ala, sistemu ike dị elu
•
Iwu nrịbama ibu maka ndị ahịa
N'okpuru mgbachi voltaji ka edobere n'ime ya na 2.6 V, mana
Ngwa dị ka Tọọ Top igbe, LCD
enwere ike ịba ụba site na ịhazi ọnụ ụzọ na
Ngosipụta, Ngwa CPE
netwọk resistor na pin-enyere aka.Ihe mmepụta
A na-achịkwa rampụ mmalite voltaji site na mmalite nwayọ
ntụtụ.Ike mgbapu mepere emepe ezigbo mgbama na-egosi
SCHEMATIC dị mfe
mmepụta dị n'ime 93% ruo 107% nke voltaji aha ya.
oghere oghere
Mpịakọta ugboro ugboro azụ na mmechi okpomọkụ na-echebe
oghere oghere
ngwaọrụ n'oge ihe karịrị-ugbu a ọnọdụ.
A na-akwado TPS54319 na SwitcherPro™
Ngwa ngwa na www.ti.com/switcherpro.
