MAX5974DETE+T Masu Sarrafa Masu Canjawa Mai Ragewa, Mai Yada-Baka, Masu Sarrafa PWM-Yanayin Yanzu
♠ Bayanin samfur
| Siffar Samfur | Siffar Darajar |
| Mai ƙira: | Maxim Integrated |
| Rukunin samfur: | Masu Canjawa |
| RoHS: | Cikakkun bayanai |
| Topology: | - |
| Adadin abubuwan da aka fitar: | 1 Fitowa |
| Mitar Canjawa: | 600 kHz |
| Zagayen Ayyuka - Max: | 82% |
| Input Voltage: | 10.5 V |
| Fitar Wutar Lantarki: | - |
| Fitowar Yanzu: | 1 mA |
| Mafi ƙarancin zafin aiki: | -40 C |
| Matsakaicin Yanayin Aiki: | + 85 C |
| Salon hawa: | SMD/SMT |
| Kunshin / Harka: | Saukewa: TQFN-16 |
| Marufi: | Karfe |
| Marufi: | Yanke Tef |
| Marufi: | MouseReel |
| Alamar: | Maxim Integrated |
| Lokacin Faɗuwa: | 14 ns |
| Kayan Aiki Na Yanzu: | 1.8 mA |
| Wutar Lantarki Mai Aiki: | 12 zuwa 21 V |
| Nau'in Samfur: | Masu Canjawa |
| Lokacin Tashi: | 27 ns |
| Jerin: | Saukewa: MAX5974 |
| Yawan Kunshin Masana'anta: | 2500 |
| Rukuni: | PMIC - Gudanar da wutar lantarki ICs |
| Nau'in: | Yanayin Yanzu Masu Sarrafa PWM |
| Sashe # Laƙabi: | Saukewa: MAX5974 |
♠Maɗaukaki-Aiki, Yaɗa-Spectrum, Masu Sarrafa PWM-Yanayin Yanzu
MAX5974_ yana ba da iko don faɗuwar-input-voltage, mai aiki mai ƙarfi, PWM-yanayin halin yanzu, masu canzawa a cikin na'urar da aka yi amfani da Power-over-Ethernet (PoE) (PD). MAX5974A/MAX5974C sun dace sosai don kewayon shigarwa na duniya ko na telecom, yayin da MAX5974B/ MAX5974D kuma yana ɗaukar ƙarancin ƙarfin shigarwa zuwa 10.5V.
Na'urorin sun haɗa da fasaloli da yawa don haɓaka ingantaccen samarwa. Direban AUX yana sake sarrafa magnetizing cur haya maimakon ɓata shi a cikin da'irar matsewa. Matattun lokacin shirye-shirye tsakanin AUX da babban direba yana ba da damar sauyawar sifili-voltage (ZVS). Ƙarƙashin yanayin ɗaukar haske, na'urorin suna rage yawan juzu'i (nayawa mai yawa) don rage asarar sauyawa.
MAX5974A/MAX5974B yana da nau'ikan kewayawa na musamman don cimma ƙa'idar fitarwa ba tare da amfani da na'urar gani ba, yayin da MAX5974C/MAX5974D ke amfani da hanyar ba da amsa na optocoupler na gargajiya. Amplifier kuskuren ciki tare da tunani na 1% yana da amfani sosai a cikin ƙira mara kyau, yana kawar da buƙatar mai sarrafa shunt na waje.
Na'urorin sun ƙunshi madaidaicin madaidaicin ciyarwar gaba-gaba wanda ke yin matsakaicin matsakaicin shekarun madauri a lokacin yanayi na wucin gadi mai zaman kansa daga wutar lantarkin layi, yana ba da damar amfani da MOSFET mai ƙarfi tare da ƙarancin rushewar wutar lantarki. Siffar ƙwanƙwasa mitar mai shirye-shiryen tana ba da ƙarancin EMI, aikin watsa-bakan.
Ana samun MAX5974_ a cikin fakitin TQFN-EP 16-pin kuma ana kimanta su don aiki sama da -40°C zuwa +85°C da -40°C zuwa +125°C kewayon zafin jiki.
● Kololuwa Ikon Yanayin-Yanzu, Mai Gudanarwa PWM Gabatarwa mai Aiki
● Ka'ida Ba tare da Optocoupler (MAX5974A/ MAX5974B)
● Amplifier Kuskure 1% na ciki
● 100kHz zuwa 600kHz Shirye-shiryen ± 8% Mitar Canjawa, Aiki tare Har zuwa 1.2MHz
Fita mai shirye-shirye yana amfani da ƙananan-EMI, Open-Spectrum
● Lokacin Matattu Mai Shirye-shiryen, PWM Soft-Start, Rarraba gangare na Yanzu
● Ciyarwar da Za'a iya Shiryawa-Mai Gabatar da Matsakaicin Matsakaicin Zagaye-Cicle, 80% Matsakaicin iyaka
● Mayar da Matsala don Ƙarfafa Ƙaƙƙarfan Ayyukan Load Haske
● Bootstrap na ciki UVLO tare da Babban Hysteresis
● 100μA (nau'i) Ƙaddamarwar Farawa na Yanzu
● Ƙwararrun Zagayowar-Da-Cycle Kololuwa na Yanzu, 35ns Yawan Jinkirin Yadawa
● 115ns Mai-hankali na Yanzu-Maganin Ciki-Jagorar Jagora-Balayi
● Fitar da gajeriyar Kariya tare da Yanayin Hiccup
● Maimaita Iyakar Yanzu don Hana Cikewar Taswira Saboda Juya Halin Yanzu
● Ciki na 18V Zener Matsala akan Shigar da Kayayyakin
● 3mm x 3mm, Gubar-Kyauta, 16-Pin TQFN-EP
● PoE IEEE® 802.3af/a Na'urori masu ƙarfi
● High-Power PD (Bayan 802.3af / a Standard)
● Masu Canzawa DC-DC Masu Matse Gaba
● Wayoyin IP
● Nodes na shiga mara waya
● Kyamarar Tsaro
