Cov khoom siv:
| HOM | piav qhia |
| qeb | Integrated Circuit Court (IC) PMIC - Voltage Regulators - DC DC Hloov Regulators |
| neeg tsim khoom | Texas Instruments |
| series | SWIFT™ |
| Pob | Daim kab xev thiab Reel (TR)Shear Band (CT)Digi-Reel® Custom Reel |
| khoom raws li txoj cai | hauv Tshuag |
| Muaj nuj nqi | Buck |
| tso zis configuration | xwb |
| topology | Buck |
| tso zis hom | kho tau |
| Tus naj npawb ntawm cov zis | 1 |
| Voltage - Cov tswv yim (Min) | 2 ,95v |
| Voltage - Input (Max) | 6V |
| Voltage - Cov zis (min / tsau) | 0 ,827v |
| Voltage - Output (siab tshaj) | 4.5v ua |
| Tam sim no - Tso zis | 3A |
| Zaus - hloov | 300 kHz ~ 2 MHz |
| Synchronous Rectifier | Yog lawm |
| Ua haujlwm kub | -40 ° C ~ 150 ° C (TJ) |
| hom kev teeb tsa | Nto Mount Hom |
| Package / Enclosure | 16-WFQFN nthuav tawm Pad |
| Cov khoom siv ntim khoom | 16-WQFN (3x3) |
| Yam khoom naj npawb | TSO 54319 |
Environment thiab Export Classification:
| TXOJ CAI | piav qhia |
| RoHS xwm txheej | Ua raws li ROHS3 specification |
| Moisture Sensitivity Level (MSL) | 2 (1 xyoos) |
| REACH xwm txheej | Cov khoom uas tsis yog REACH |
| ECCN | UA 99 |
| HTSUS | 8542.39.0001 |
2.95-V rau 6-V Input, 3-A Output, 2-MHz, Synchronous Step-down
Switcher Nrog Integrated FETs (SWIFT™)
1
NTA
Kev piav qhia
2
• Ob 45-mΩ (ib txwm) MOSFETs rau siab
Lub TPS54319 ntaus ntawv yog tag nrho featured 6 V, 3 A,
Efficiency ntawm 3-A Loads
synchronous kauj ruam down tam sim no hom converter nrog
ob qho kev sib xyaw MOSFETs.
•
300kHz mus rau 2MHz Hloov zaus
•
0.8V ± 3.0% Voltage siv dhau
TPS54319 ua rau cov qauv tsim me me los ntawm kev sib koom ua ke
cov MOSFETs, siv tam sim no hom tswj rau
Qhov kub thiab txias (0 ° C txog 85 ° C)
txo cov khoom siv sab nraud suav, txo cov inductor
•
Synchronizes rau sab nraud moos
loj los ntawm kev ua kom txog li 2 MHz hloov zaus,
•
Adjustable Slow Start / Sequencing
thiab txo qis IC hneev taw nrog me me 3mm x
•
UV thiab OV Fais Fab Zoo Tshaj Tawm
3 hli thermally txhim kho QFN pob.
•
-40 ° C mus rau 150 ° C kev khiav hauj lwm Junction
TPS54319 muab cov kev cai raug cai rau a
Qhov kub thiab txias
Ntau yam loads nrog qhov tseeb ± 3.0% Voltage
Kev siv (VREF) dhau qhov kub thiab txias.
•
Thermally Enhanced 3mm × 3mm 16-pin QFN
•
Pin Compatible rau TPS54318
Kev ua haujlwm tau zoo tshaj plaws los ntawm kev sib xyaw ua ke 45mΩ
MOSFETs thiab 360mA cov khoom siv tam sim no.Siv
qhov qhib tus pin, kaw cov khoom tam sim no raug txo rau
APPLICATIONS
2 µA los ntawm kev nkag mus rau hom kaw.
•
Low-Voltage, High-Density Fais Fab Systems
•
Point-of-Load Regulation for Consumer
Nyob rau hauv voltage lockout yog nyob rau hauv lub teeb ntawm 2.6 V, tab sis
Daim ntawv thov xws li Teeb Sab saum toj Boxes, LCD
tuaj yeem nce los ntawm programming qhov pib nrog
Zaub, CPE Khoom
ib tug resistor network ntawm lub enable pin.Cov zis
voltage startup ramp yog tswj los ntawm qhov pib qeeb
tus pin.Ib qho qhib qhov hluav taws xob zoo teeb liab qhia qhov
SCHEMPLIFIED SCHEMATIC
tso zis yog nyob rau hauv 93% mus rau 107% ntawm nws nominal voltage.
ntsug spacer
Zaus quav rov qab thiab thermal shutdown tiv thaiv
ntsug spacer
lub cuab yeej thaum muaj xwm txheej dhau tam sim no.
TPS54319 txhawb nqa hauv SwitcherPro™
Software Tool ntawm www.ti.com/switcherpro.
