samfur Properties:
| TYPE | BAYANI |
| category | Haɗin kai (IC) PMIC - Masu Gudanar da Wutar Lantarki - Masu Gudanar da Canjawar DC DC |
| masana'anta | Texas Instruments |
| jerin | - |
| Kunshin | Tape da Reel (TR)Shear Band (CT)Digi-Reel® Custom Reel |
| samfurin hali | a hannun jari |
| Aiki | Baka |
| tsarin fitarwa | kawai |
| topology | Baka |
| nau'in fitarwa | daidaitacce |
| Yawan abubuwan da aka fitar | 3 |
| Wutar lantarki - Input (min) | 4.5V |
| Wutar lantarki - Input (Max) | 18V |
| Voltage - Fitarwa (minti/kafaffen) | 0.8V |
| Voltage - Fitarwa (Mafi girman) | 18V |
| Yanzu - Fitowa | 3 a, 2a |
| Mitar - sauyawa | 300kHz ~ 2.2MHz |
| Mai gyara aiki tare | Ee |
| Yanayin aiki | -40°C ~ 125°C (TJ) |
| nau'in shigarwa | Nau'in Dutsen Surface |
| Kunshin / Rushewa | 40-VFQFN Fitar da Kushin |
| Kunshin na'urar mai bayarwa | 40-VQFN (6x6) |
| Lambar samfurin asali | Saukewa: TPS65251 |
Rarraba Muhalli da Fitarwa:
| SIFFOFI | BAYANI |
| Matsayin RoHS | Mai yarda da ƙayyadaddun ROHS3 |
| Matsayin Ji daɗin Danshi (MSL) | 3 (168 hours) |
| Matsayin ISAR | Kayayyakin da ba su isa ba |
| ECN | EAR99 |
| HTSUS | 8542.39.0001 |
TPS65251 4.5-V zuwa 18-V Input, High-A halin yanzu, Aiki tare Matakai-Kasar Buck Uku
Mai Sauya Tare da Haɗaɗɗen FET
1
1 Features
1
•
Wurin Samar da Wuta Mai Faɗi (4.5 zuwa 18V)
•
0.8 V, 1% Daidaiton Magana
•
Ci gaba da Loading: 3 A (Buck 1),
2 A (Buck 2 da 3)
•
Matsakaicin Yanzu: 3.5 A (Buck 1),
2.5 A (Buck 2 da 3)
•
Daidaitacce Mitar Canjawa
300 kHz zuwa 2.2 MHz Saita ta Resistor na waje
•
Ƙaddamar da Ƙaddamarwa ga kowane Buck
•
Fin Aiki tare na Waje don Oscillator
•
Kunnawa Waje/Sequencing da Soft-Star Fins
•
Daidaitacce Iyakar Yanzu Ta Hanyar Resistor na waje
•
Fil-Farawa masu laushi
•
Sarrafa Yanayin Yanzu Tare da Sauƙaƙan Ramuwa
kewaye
•
Powergood
•
Yanayin Ƙarƙashin Ƙarfin Wuta na zaɓi don Haske
lodi
•
Kunshin VQFN, 40-Pin 6mm × 6 mm RHA
2 Aikace-aikace
•
Saita Manyan Kwalaye
•
Blu-ray DVD
•
DVR
•
DTV
•
Mota Audio/Video
•
Kamara Tsaro
3 Bayani
TPS65251 yana da fa'idar aiki tare guda uku
kewayon shigar da manyan masu canza aiki.The
an ƙera masu juyawa don sauƙaƙe aikace-aikacen sa
yayin da yake ba masu zanen zaɓi don inganta su
amfani bisa ga manufa aikace-aikace.
Masu juyawa na iya aiki a cikin 5-, 9-, 12- ko 15-V
tsarin kuma suna da hadedde ikon transistor.The
Za a iya saita wutar lantarki ta waje ta amfani da resistor
mai rarraba zuwa kowane ƙima tsakanin 0.8 V kuma kusa da
shigar da wadata.Kowane mai sauya fasalin yana ba da damar fil ɗin
yana ba da damar jinkirin farawa don dalilai na jeri,
fil mai taushi-farawa wanda ke ba da damar daidaita lokacin farawa mai laushi ta
zabar capacitor mai taushi-farawa, da iyaka na yanzu
(RLIMx) fil wanda ke ba mai ƙira damar daidaita halin yanzu
iyakance ta zaɓin resistor waje kuma inganta shi
zabi na inductor.Ikon yanayin halin yanzu yana ba da damar a
sauki RC ramuwa.
Mitar sauyawa na masu juyawa na iya ko dai
a saita tare da resistor waje da aka haɗa da ROSC
fil ko za a iya aiki tare da agogon waje
an haɗa zuwa SYNC fil idan an buƙata.Mai sauyawa
an tsara masu sarrafawa don aiki daga 300 kHz zuwa
2.2 MHz.180° daga lokaci aiki tsakanin Buck
1 da Buck 2, 3 (Buck 2 da 3 suna gudana cikin lokaci)
yana rage buƙatun tace shigarwa.
