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50A, 4.5V to 14V Input, Non-Isolated, Wide Output, Adjustable Power Module

Konusu 'Güç Kaynakları - Besleme Devreleri' forumundadır ve guclusat tarafından 14 Ocak 2015 başlatılmıştır.

  1. guclusat
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    guclusat Tanınmış Üye Süper Moderatör

    Katılım:
    14 Haziran 2009
    Mesajlar:
    9.754
    Ödül Puanları:
    48
    [​IMG]

    The PTH08T250W is a high-performance 50-A rated, non-isolated power module. This module represents the 2nd generation of the popular PTH series power modules with a reduced footprint and improved features.[​IMG]

    Features
    • TurboTrans™ Technology
    2• Up to 50-A Output Current
    • 4.5-V to 14-V Input Voltage Requirements up to 300 A/ms
    • Wide-Output Voltage Adjust (0.7 V to 3.6 V)
    • ±1.5% Total Output Voltage Variation
    • Efficiencies up to 96%
    • Output Over current Protection
    • Complex Multi-Voltage Systems
    • Operating Temperature: –40°C to 85°C

    Operating from an input voltage range of 4.5 V to 14 V, the PTH08T250W requires a single resistor to set the output voltage to any value over the range, 0.7 V to 3.6 V. The wide input voltage range makes the PTH08T250W particularly suitable for advanced computing and server applications that utilize a loosely regulated 8-V to 12-V intermediate distribution bus. Additionally, the wide input voltage range increases design flexibility by supporting operation with tightly regulated 5-V, 8-V, or 12-V intermediate bus architectures.

    The module incorporates a comprehensive list of features. Output overcurrent and over-temperature shutdown protects against most load faults. A differential remote sense ensures tight load regulation. An adjustable under-voltage lockout allows the turn-on voltage threshold to be customized. Auto-Track™ sequencing is a popular feature that greatly simplifies the simultaneous power-up and power-down of multiple modules in a power system. Additionally, the capability to current share between multiple PTH08T250W modules allows for load currents greater than 50 A on a single rail.

    The PTH08T250W includes new patent pending technologies, TurboTrans™ and SmartSync. The TurboTrans feature optimizes the transient response of the regulator while simultaneously reducing the quantity of external output capacitors required to meet a target voltage deviation specification. Additionally, for a target output capacitor bank, TurboTrans can be used to significantly improve the regulators transient response by reducing the peak voltage deviation. SmartSync allows for switching frequency synchronization of multiple modules, thus simplifying EMI noise suppression tasks and reducing input capacitor RMS current requirements.

    Double-sided surface mount construction provides a low profile and compact footprint. Package options include both through-hole and surface mount configurations that are lead (Pb) - free and RoHS compatible.
     

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