awọn ohun-ini ọja:
| ORISI | ṢÀpèjúwe |
| ẹka | Idapọpọ Circuit (IC) PMIC - Awọn olutọsọna Foliteji - Awọn olutọsọna Yipada DC DC |
| olupese | Texas Instruments |
| jara | - |
| Package | Teepu ati Reel (TR)Ẹgbẹ́ Shear (CT)Digi-Reel® Custom Reel |
| ọja ipo | o wa |
| Išẹ | Ẹtu |
| iṣeto ni o wu | kan |
| topology | Ẹtu |
| o wu iru | adijositabulu |
| Nọmba awọn abajade | 3 |
| Foliteji - Iṣawọle (min) | 4.5V |
| Foliteji - Iṣawọle (Max) | 18V |
| Foliteji - Ijade (iṣẹju/ti o wa titi) | 0.8V |
| Foliteji - Ijade (O pọju) | 18V |
| Lọwọlọwọ - Ijade | 3A, 2A |
| Igbohunsafẹfẹ - yipada | 300kHz ~ 2.2MHz |
| Amuṣiṣẹpọ Rectifier | Bẹẹni |
| Awọn iwọn otutu ti nṣiṣẹ | -40°C ~ 125°C (TJ) |
| fifi sori iru | Dada Oke Iru |
| Package / apade | 40-VFQFN fara paadi |
| Iṣakojọpọ Ẹrọ Olupese | 40-VQFN (6x6) |
| Nọmba ọja ipilẹ | TPS65251 |
Ayika ati Isọri okeere:
| ÀWỌN ànímọ́ | ṢÀpèjúwe |
| Ipo RoHS | Ni ibamu pẹlu ROHS3 sipesifikesonu |
| Ipele Ifamọ Ọrinrin (MSL) | 3 (wakati 168) |
| Ipo REACH | Awọn ọja ti kii ṣe de ọdọ |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
TPS65251 4.5-V si 18-V Iṣagbewọle, Giga-lọwọlọwọ, Igbesẹ Amuṣiṣẹpọ-isalẹ Ẹtu Mẹta
Yipada Pẹlu Integrated FET
1
1 Awọn ẹya ara ẹrọ
1
•
Ibiti Ipese Ipese Ipese Fifẹ (4.5 si 18V)
•
0.8 V, 1% Itọkasi Ipeye
•
Ikojọpọ tẹsiwaju: 3 A (Ẹtu 1),
2 A (Ẹtu 2 ati 3)
•
O pọju Lọwọlọwọ: 3.5 A (Ẹtu 1),
2.5 A (Ẹtu 2 ati 3)
•
Adijositabulu Yipada Igbohunsafẹfẹ
300 kHz to 2.2 MHz Ṣeto nipasẹ Ita Resistor
•
Igbẹhin Jeki fun Kọọkan Buck
•
Pin Amuṣiṣẹpọ ita fun Oscillator
•
Ṣiṣẹ ita / Ṣiṣe-tẹle ati Awọn pinni Ibẹrẹ Asọ
•
Ṣeto Idibo lọwọlọwọ Idiyele Nipa Resistor Ita
•
Asọ-Bẹrẹ Pinni
•
Iṣakoso Ipo lọwọlọwọ Pẹlu Isanpada Rọrun
Circuit
•
Powergood
•
Iṣiṣe Ipo-Agbara Irẹwẹsi aṣayan fun Imọlẹ
Awọn ẹru
•
VQFN Package, 40-Pin 6 mm × 6 mm RHA
2 Awọn ohun elo
•
Ṣeto Awọn apoti Top
•
Blu-ray DVD
•
DVR
•
DTV
•
Car Audio / Video
•
Kamẹra aabo
3 Apejuwe
TPS65251 ni awọn ẹya amuṣiṣẹpọ mẹta jakejado
input ibiti o ga ṣiṣe Buck converters.Awọn
Awọn oluyipada ti ṣe apẹrẹ lati ṣe irọrun ohun elo rẹ
nigba ti fifun onise aṣayan lati mu wọn dara
lilo ni ibamu si ohun elo afojusun.
Awọn oluyipada le ṣiṣẹ ni 5-, 9-, 12- tabi 15-V
awọn ọna šiše ati ki o ni ese agbara transistors.Awọn
foliteji o wu le ti wa ni ṣeto externally lilo a resistor
pin si eyikeyi iye laarin 0,8 V ati ki o sunmọ awọn
ipese igbewọle.Awọn ẹya oluyipada kọọkan jẹ ki pin pe
ngbanilaaye ibẹrẹ idaduro fun awọn idi-tẹle,
Asọ-ibẹrẹ pin ti o fun laaye adijositabulu asọ-ibẹrẹ akoko nipa
yan awọn asọ-ibẹrẹ kapasito, ati ki o kan lọwọlọwọ iye to
PIN (RLIMx) ti o fun apẹẹrẹ ni agbara lati ṣatunṣe lọwọlọwọ
idinwo nipa yiyan ohun ita resistor ati ki o je ki awọn
wun ti inductor.Awọn ti isiyi mode iṣakoso faye gba a
o rọrun RC biinu.
Igbohunsafẹfẹ iyipada ti awọn oluyipada le boya
ṣeto pẹlu ohun ita resistor ti a ti sopọ si ROSC
pin tabi o le muuṣiṣẹpọ si aago ita
ti sopọ si PIN SYNC ti o ba nilo.Iyipada naa
Awọn olutọsọna jẹ apẹrẹ lati ṣiṣẹ lati 300 kHz si
2.2 MHz.180 ° kuro ninu iṣẹ alakoso laarin Buck
1 ati Buck 2, 3 (Buck 2 ati 3 ṣiṣe ni ipele)
minimizes input àlẹmọ awọn ibeere.
