MAX5974DETE+T Awọn oludari Iyipada Ṣiṣẹ-Dimole, Itankale-Spectrum, Ipo lọwọlọwọ Awọn oludari PWM
♠ Apejuwe ọja
| Irisi ọja | Ifilelẹ Ifarahan |
| Olupese: | Maxim Integrated |
| Ẹka Ọja: | Awọn oludari iyipada |
| RoHS: | Awọn alaye |
| Topology: | - |
| Nọmba Awọn Ijade: | 1 Ijade |
| Igbohunsafẹfẹ Yipada: | 600 kHz |
| Yiyipo Ojuse - O pọju: | 82% |
| Foliteji ti nwọle: | 10.5 V |
| Foliteji Ijade: | - |
| Ijade lọwọlọwọ: | 1 mA |
| Iwọn Iṣiṣẹ ti o kere julọ: | -40 C |
| Iwọn Iṣiṣẹ ti o pọju: | + 85 C |
| Iṣagbesori ara: | SMD/SMT |
| Apo / Apo: | TQFN-16 |
| Iṣakojọpọ: | Reli |
| Iṣakojọpọ: | Teepu Ge |
| Iṣakojọpọ: | MouseReel |
| Brand: | Maxim Integrated |
| Akoko Igba Irẹdanu Ewe: | 14 ns |
| Ipese Nṣiṣẹ lọwọlọwọ: | 1.8 mA |
| Foliteji Ipese Ṣiṣẹ: | 12V si 21V |
| Iru ọja: | Awọn oludari iyipada |
| Akoko dide: | 27 ns |
| jara: | MAX5974 |
| Opoiye Pack Factory: | 2500 |
| Ẹka: | PMIC - Power Management ICs |
| Iru: | Ipo lọwọlọwọ Awọn oludari PWM |
| Apa # Awọn orukọ: | MAX5974 |
♠ Ti n ṣiṣẹ-dimole, Itankale-Spectrum, Awọn oludari PWM Ipo lọwọlọwọ
MAX5974_ n pese iṣakoso fun foliteji-input-fife, ti nṣiṣe lọwọ, ipo lọwọlọwọ PWM, awọn oluyipada siwaju ninu awọn ohun elo ti o ni agbara-lori-Ethernet (PoE) ti o ni agbara (PD). MAX5974A/MAX5974C jẹ ibamu daradara fun gbogbo agbaye tabi sakani titẹ telikomiti, lakoko ti MAX5974B/ MAX5974D tun gba foliteji titẹ sii kekere si isalẹ si 10.5V.
Awọn ẹrọ naa pẹlu awọn ẹya pupọ lati jẹki ṣiṣe ipese. Awakọ AUX n ṣe atunlo magnetizing cur iyalo dipo ti jafara ni Circuit dimole kan. Akoko iku ti siseto laarin AUX ati awakọ akọkọ ngbanilaaye fun yiyi-foliteji odo (ZVS). Labẹ awọn ipo ina-fifuye, awọn ẹrọ naa dinku iye iwọn iyipada (ifiweranṣẹ igbohunsafẹfẹ) lati dinku awọn adanu iyipada.
MAX5974A/MAX5974B ẹya ara ẹrọ iyika alailẹgbẹ lati ṣaṣeyọri ilana iṣelọpọ laisi lilo optocoupler, lakoko ti MAX5974C/MAX5974D nlo ọna esi optocoupler ibile. Ampilifaya aṣiṣe inu pẹlu itọkasi 1% wulo pupọ ni apẹrẹ ti ko ni iyasọtọ, imukuro iwulo fun olutọsọna shunt ita.
Awọn ẹrọ naa ṣe ẹya kikọ sii-siwaju ti o pọju dimole iṣẹ-ṣiṣe ti o pọju ti o jẹ ki o pọju dimole folti ọjọ ori lakoko awọn ipo igba diẹ ni ominira ti foliteji laini, gbigba lilo MOSFET agbara pẹlu foliteji didenukole kekere. Awọn ẹya ara ẹrọ igbohunsafẹfẹ dither ti siseto pese kekere-EMI, itankale-spekitiriumu isẹ.
MAX5974_ naa wa ni awọn akoko idii 16-pin TQFN-EP ati pe a ṣe iwọn fun iṣẹ lori -40°C si +85°C ati -40°C si +125°C awọn sakani iwọn otutu.
● Iṣakoso Ipo ti o ga julọ lọwọlọwọ, Adarí PWM Iwaju-Dimole Nṣiṣẹ
● Ilana Laisi Optocoupler (MAX5974A/ MAX5974B)
● Ti abẹnu 1% Aṣiṣe Amplifier
● 100kHz si 600kHz Eto ± 8% Igbohunsafẹfẹ Yipada, Amuṣiṣẹpọ Titi di 1.2MHz
● Dithering Igbohunsafẹfẹ Eto fun Low-EMI, Itankale-Spectrum Isẹ
● Aago okú ti eto, PWM Soft-Bẹrẹ, Biinu Ite lọwọlọwọ
● Ifunni ti o le seto-Siwaju Ilọju-Iwọn-iṣẹ ti o pọju, 80% Iwọn to pọju
● Apopada Igbohunsafẹfẹ fun Iṣiṣẹ Imudara Imudara Imọlẹ-giga
● Bootstrap UVLO ti inu pẹlu Hysteresis nla
● 100μA (typ) Ipese Ibẹrẹ Lọwọlọwọ
● Yiyara-nipasẹ-Iyika Peak Lọwọlọwọ-Opin, 35ns Aṣoju Isọdọtun Idaduro
● 115ns Oye lọwọlọwọ-Inu Asiwaju-Eti Blanking
● Ijade Idaabobo Kukuru-Circup pẹlu Ipo Hiccup
● Yiyipada Ifilelẹ lọwọlọwọ lati ṣe idiwọ itẹlọrun Amunawa Nitori Yiyipada lọwọlọwọ
● Ti abẹnu 18V Zener Dimole lori Ipese Ipese
● 3mm x 3mm, Ọfẹ Asiwaju, 16-Pin TQFN-EP
● PoE IEEE® 802.3af / ni Awọn ẹrọ Agbara
● Agbara-giga PD (Ni ikọja 802.3af/ni Standard)
● Ṣiṣẹ-Dimole Siwaju DC-DC Converter
● Awọn foonu IP
● Awọn apa Wiwọle Alailowaya
● Awọn kamẹra aabo
