TPS65251RHAR Yiyi Foliteji Regulators PMU pẹlu 3 DC/DC Converters
♠ Apejuwe ọja
| Irisi ọja | Ifilelẹ Ifarahan |
| Olupese: | Texas Instruments |
| Ẹka Ọja: | Yipada Foliteji Regulators |
| RoHS: | Awọn alaye |
| Iṣagbesori ara: | SMD/SMT |
| Apo / Apo: | VQFN-40 |
| Topology: | Ẹtu |
| Foliteji Ijade: | 800 mV si 17 V |
| Ijade lọwọlọwọ: | 3 A |
| Nọmba Awọn Ijade: | 3 Ijade |
| Foliteji titẹ sii, Min: | 4.5 V |
| Foliteji titẹ sii, O pọju: | 18 V |
| Idaduro lọwọlọwọ: | 1 mA |
| Igbohunsafẹfẹ Yipada: | 300 kHz to 2,2 MHz |
| Iwọn Iṣiṣẹ ti o kere julọ: | -40 C |
| Iwọn Iṣiṣẹ ti o pọju: | + 125 C |
| jara: | TPS65251 |
| Iṣakojọpọ: | Reli |
| Iṣakojọpọ: | Teepu Ge |
| Iṣakojọpọ: | MouseReel |
| Brand: | Texas Instruments |
| Apo Idagbasoke: | TPS65251EVM |
| Foliteji ti nwọle: | 4.5 V si 18 V |
| Ọrinrin Ifamọ: | Bẹẹni |
| Ipese Nṣiṣẹ lọwọlọwọ: | 20 mA |
| Iru ọja: | Yipada Foliteji Regulators |
| Opoiye Pack Factory: | 2500 |
| Ẹka: | PMIC - Power Management ICs |
| Iwọn Ẹyọ: | 0,003527 iwon |
TPS65251 4.5-V si 18-V Input, Giga-Lọwọlọwọ, Amuṣiṣẹpọ Igbesẹ-isalẹ mẹta Buck Switcher Pẹlu Isopọpọ FET
TPS65251 ṣe ẹya mẹta amuṣiṣẹpọ jakejado igbewọle ibiti o ga julọ awọn oluyipada ẹtu ṣiṣe.Awọn oluyipada jẹ apẹrẹ lati jẹ ki ohun elo rẹ di irọrun lakoko fifun apẹẹrẹ lati mu iwọn lilo wọn pọ si ni ibamu si ohun elo ibi-afẹde.
Awọn oluyipada le ṣiṣẹ ni awọn ọna ṣiṣe 5-, 9-, 12- tabi 15-V ati pe wọn ni awọn transistors agbara.Foliteji o wu le ti wa ni ṣeto ita lilo a resistor pin si eyikeyi iye laarin 0.8 V ati ki o sunmo si awọn input ipese.Awọn ẹya oluyipada kọọkan jẹ ki PIN ti o fun laaye ni ibẹrẹ idaduro fun awọn idi ti o tẹle, PIN rirọ-ibẹrẹ ti o fun laaye akoko rirọ-ibẹrẹ adijositabulu nipa yiyan kapasito-ibẹrẹ asọ, ati PIN ti o ni opin lọwọlọwọ (RLIMx) ti o jẹ ki apẹẹrẹ ṣe atunṣe opin lọwọlọwọ nipa yiyan ohun ita resistor ati ki o je ki awọn wun ti inductor.Iṣakoso ipo lọwọlọwọ ngbanilaaye isanpada RC ti o rọrun.
Igbohunsafẹfẹ iyipada ti awọn oluyipada le jẹ ṣeto pẹlu alatako ita ti o sopọ si pin ROSC tabi o le muuṣiṣẹpọ si aago ita ti o sopọ si PIN SYNC ti o ba nilo.Awọn olutọsọna iyipada 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 run ni alakoso) dinku awọn ibeere àlẹmọ titẹ sii.
Ibiti Ipese Ipese Ipese Fifẹ (4.5 si 18V)
• 0.8 V, 1% Itọkasi Itọkasi
• Ikojọpọ Ilọsiwaju: 3 A (Buck 1), 2 A (Ẹtu 2 ati 3)
• O pọju Lọwọlọwọ: 3.5 A (Ẹtu 1), 2.5 A (Ẹtu 2 ati 3)
• Igbohunsafẹfẹ Yipada Atunṣe 300 kHz si 2.2 MHz Ṣeto nipasẹ Alatako Ita
• Igbẹhin Jeki fun kọọkan Buck
Pin Amuṣiṣẹpọ ita fun Oscillator
• Ṣiṣẹ Itanna / Ṣiṣe-tẹle ati Awọn pinni Ibẹrẹ Asọ
Ṣeto Ifilelẹ lọwọlọwọ Adijositabulu Nipasẹ Resistor Ita
• Asọ-Bẹrẹ Pinni
• Lọwọlọwọ-Ipo Iṣakoso Pẹlu Simple Biinu Circuit
• Powergood
• Iṣiṣẹ Ilọ-Agbara Irẹwẹsi Aṣayan fun Awọn ẹru Imọlẹ
• VQFN Package, 40-Pin 6 mm × 6 mm RHA
• Ṣeto Top apoti
• Blu-ray DVD
DVR • DTV
• Car Audio/Video
• Kamẹra Aabo
