thepa ea sehlahisoa:
| MOFUTA | HLALISA |
| sehlopha | Potoloho e Kopanetsoeng (IC) PMIC - Voltage Regulators - DC DC Switching Regulators |
| moetsi | Lisebelisoa tsa Texas |
| letoto | SWIFT™ |
| Sephutheloana | Theipi le Reel (TR)Shear Band (CT)Digi-Reel® Custom Reel |
| boemo ba sehlahisoa | e teng thepeng e teng ka lebenkeleng |
| Mosebetsi | Buck |
| tlhophiso ya tlhahiso | feela |
| topology | Buck |
| mofuta oa tlhahiso | fetohang |
| Palo ea liphetho | 1 |
| Voltage - Kenyeletso (Mots) | 2.95V |
| Voltage - Kenyo (Boholo) | 6V |
| Voltage - Output (min/fixed) | 0.827V |
| Voltage - Output (Boholo) | 4.5V |
| Hajoale - Sephetho | 3A |
| Hangata - switjha | 300kHz ~ 2MHz |
| Synchronous Rectifier | Ee |
| Mocheso oa ho sebetsa | -40°C ~ 150°C (TJ) |
| mofuta oa ho kenya | Mofuta oa Mount Mount |
| Sephutheloana/Sekoahelo | 16-WFQFN Ped e pepesitsoeng |
| Sephutheloana sa Sesebelisoa sa Bafani | 16-WQFN (3x3) |
| Nomoro ea mantlha ea sehlahisoa | TPS54319 |
Boemo ba Tikoloho le Thomelontle:
| LITŠOANTŠISO | HLALISA |
| Boemo ba RoHS | E lumellana le litlhaloso tsa ROHS3 |
| Boemo ba Sensitivity ea Mongobo (MSL) | 2 (selemo se le seng) |
| FIHLELA boemo | Lihlahisoa tse sa fihlelleheng |
| ECCN | TSEBE99 |
| HTSUS | 8542.39.0001 |
2.95-V ho isa ho 6-V Kenyeletso, 3-A Output, 2-MHz, Synchronous Step-down
Switcher e nang le li-FET tse Kopanetsoeng ( SWIFT™)
1
LIKAROLOANA
TLHALOSO
2
• Li-MOSFET tse peli tsa 45-mΩ (tse tloaelehileng) bakeng sa Holimo
Sesebelisoa sa TPS54319 se na le 6 V, 3 A,
Ho sebetsa hantle ho 3-A Meroalo
synchronous step down mode converter ka
li-MOSFET tse peli tse kopaneng.
•
300kHz ho isa ho 2MHz Frequency ea ho Fetola
•
0.8 V ± 3.0% Voltage Reference Over
TPS54319 e thusa meralo e nyane ka ho kopanya
MOSFETs, ho kenya tšebetsong taolo ea mokhoa oa hajoale ho
Mocheso (0°C ho isa ho 85°C)
fokotsa palo ea likarolo tsa kantle, ho fokotsa inductor
•
E amahanya le Oache e Ntle
boholo ka ho nolofalletsa ho fihla ho 2 MHz switching frequency,
•
Ho Fetola butle butle / Tatelano
le ho fokotsa sebaka sa IC ka 3mm x e nyane
•
UV le OV Power Output Good
3mm sephutheloana sa QFN se ntlafalitsoeng ka mocheso.
•
-40°C ho isa ho 150°C Mohaho o Tshebetso
TPS54319 e fana ka taolo e nepahetseng bakeng sa a
Mocheso Range
mefuta e fapaneng ea meroalo e nang le Voltage e nepahetseng ea ± 3.0%.
Reference (VREF) holim'a mocheso.
•
Ntlafatso ea mocheso 3mm × 3mm 16-pin QFN
•
Pin e lumellana le TPS54318
Sebetsa se matlafalitsoe ka 45mΩ e kopaneng
MOSFETs le 360mA e tloaelehileng ea phepelo ea hajoale.Ho sebelisa
pin ea nolofalletsa, hona joale phepelo ea ho koala e fokotsehile ho
LIKOPO
2 µA ka ho kenya mokhoa oa ho koala.
•
Litsamaiso tsa Motlakase oa Motlakase o Motle, o Matla a Phahameng
•
Molao oa Moroalo bakeng sa Bareki
Tlas'a voltage Lockout e behiloe ka hare ho 2.6 V, empa
Lisebelisoa tse kang Set Top Boxes, LCD
e ka eketsoa ka ho etsa mananeo a monyako ka
Lipontšo, Lisebelisoa tsa CPE
netweke ya mohanyetsi hodima pini ya thusa.Sephetho
Tsela ea ho qala motlakase e laoloa ke ho qala butle
pin.Letšoao le letle la ho hula metsi le bonts'a
BONOLO MEKETSO
tlhahiso e ka hare ho 93% ho 107% ea motlakase oa eona oa lebitso.
sepakapaka se emeng
Ho mena khafetsa ka morao le ho koala ha mocheso ho sireletsa
sepakapaka se emeng
sesebedisoa nakong ya boemo bo fetelletseng.
TPS54319 e tšehetsoa ho SwitcherPro™
Sesebelisoa sa Software ho www.ti.com/switcherpro.
