MAX5974DETE+T Shandura Madhiza Anoshanda-Akadzvanywa, Akapararira-Spectrum, Yazvino-Modhi PWM Controllers
♠ Tsanangudzo yeChigadzirwa
| Product Attribute | Attribute Value |
| Mugadziri: | Maxim Integrated |
| Product Category: | Kuchinja Controllers |
| RoHS: | Details |
| Topology: | - |
| Nhamba Yezvinobuda: | 1 Output |
| Kuchinja Frequency: | 600 kHz |
| Duty Cycle - Max: | 82 % |
| Input Voltage: | 10.5 V |
| Output Voltage: | - |
| Output Current: | 1 mA |
| Minimum Operating Temperature: | - 40 C |
| Maximum Operating Temperature: | + 85 C |
| Mounting Style: | SMD/SMT |
| Pakeji / Nyaya: | TQFN-16 |
| Kurongedza: | Reel |
| Kurongedza: | Cheka Tape |
| Kurongedza: | MouseReel |
| Brand: | Maxim Integrated |
| Nguva yekudonha: | 14 ns |
| Zvekushandisa Zvazvino: | 1.8 mA |
| Operating Supply Voltage: | 12 kusvika 21 V |
| Product Type: | Kuchinja Controllers |
| Nguva Yokusimuka: | 27 ns |
| Series: | MAX5974 |
| Factory Pack Quantity: | 2500 |
| Subcategory: | PMIC - Power Management ICs |
| Type: | Yazvino Modhi PWM Controllers |
| Chikamu # Mazita: | MAX5974 |
♠Active-Clamped, Spread-Spectrum, Current-Mode PWM Controllers
Iyo MAX5974_ inopa kutonga kune yakakura-inopinza-voltage, inoshanda-yakavharirwa, yazvino-modhi PWM, inoshandura inotungamira muPower-over-Ethernet (PoE) powered device (PD) appli cations. Iyo MAX5974A/MAX5974C yakanyatso kuenderana nepasirese kana telecom yekuisa renji, nepo MAX5974B/ MAX5974D zvakare inogashira yakaderera yekupinza voltage pasi kusvika 10.5V.
Iwo maturusi anosanganisira akati wandei maficha ekuwedzera mashandiro ekupa. Mutyairi weAUX anodzokorodza magnetizing cur rent panzvimbo yekuiparadza mu dissipative clamp circuit. Programmable nguva yekufa pakati peAUX nemutyairi mukuru inobvumira zero-voltage switching (ZVS). Pasi pemamiriro emwenje-mutoro, zvishandiso zvinoderedza switching fre quency (frequency foldback) kuderedza kurasikirwa kwekuchinja.
Iyo MAX5974A/MAX5974B inoratidzira yakasarudzika yedunhu kuti iwane inobuda mutemo usingashandisi optocoupler, nepo MAX5974C/MAX5974D ichishandisa yechinyakare optocoupler mhinduro nzira. Chikanganiso chemukati amplifier ine 1% referensi inobatsira zvikuru mukugadzirwa kusina kunyorwa, kubvisa kudiwa kwekunze shunt regulator.
Midziyo iyi inoratidzira yakasarudzika yekudyisa-kumberi yakakura duty-cycle clamp inoita iyo yakanyanya clamp volt age panguva yenguva pfupi yakazvimiririra kubva kune tambo voltage, zvichibvumira kushandiswa kwesimba MOSFET ine yakaderera breakdown voltage. Iyo programmable frequency dither ing ficha inopa yakaderera-EMI, kupararira-spectrum kushanda.
Iwo MAX5974_ anowanikwa mu16-pini TQFN-EP pack mazera uye akatemerwa kushanda pamusoro pe -40°C kusvika +85°C uye -40°C kusvika +125°C tembiricha.
● Peak Current-Mode Control, Active-Clamped Forward PWM Controller
● Regulation Pasina Optocoupler (MAX5974A/ MAX5974B)
● Mukati 1% Error Amplifier
● 100kHz kusvika 600kHz Programmable ±8% Kuchinja Frequency, Synchronization Kusvika 1.2MHz
● Programmable Frequency Dithering yeLow-EMI, Spread-Spectrum Operation
● Programmable Dead Time, PWM Soft-Start, Current Slope Compensation
● Programmable Feed-Forward Maximum Duty-Cycle Clamp, 80% Maximum Limit
● Frequency Foldback for High-Efficiency Light-Load Operation
● Internal Bootstrap UVLO ine Large Hysteresis
● 100μA (typ) Kutanga Kwekutengesa Ikozvino
● Fast Cycle-by-Cycle Peak Current-Limit, 35ns Typical Propagation Kunonoka
● 115ns Current-Sense Internal Leading-Edge Blanking
● Output Short-Circuit Protection neHiccup Mode
● Reverse Current Muganho Kudzivirira Transformer Saturation Nekuda kweReverse Current
● Internal 18V Zener Clamp pane Supply Input
● 3mm x 3mm, Lead-Free, 16-Pin TQFN-EP
● PoE IEEE® 802.3af/at Powered Devices
● High-Power PD (Beyond the 802.3af/at Standard)
● Active-Clamped Forward DC-DC Converters
● IP Phones
● Wireless Access Nodes
● Makamera Okuchengetedza
