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ПроизводительTexas Instruments
СерияUCC1895, UCC2895, UCC3895
МодельUCC3895QG3

BiCMOS Advanced Phase-Shift PWM Controller

Datasheets

  • Скачать » Datasheet, PDF, 1.2 Мб
    Выписка из документа ↓
    UCC1895, UCC2895, UCC3895
    www.ti.com SLUS157P ­ DECEMBER 1999 ­ REVISED JUNE 2013 BiCMOS Advanced Phase-Shift PWM Controller
    Check for Samples: UCC1895, UCC2895, UCC3895
    1 FEATURES
    Programmable-Output Turnon Delay Adaptive Delay Set Bidirectional Oscillator Synchronization Voltage-Mode, Peak Current-Mode, or Average Current-Mode Control Programmable Softstart, Softstop and Chip Disable via a Single Pin 0% to 100% Duty-Cycle Control 7-MHz Error Amplifier Operation to 1 MHz Typical 5-mA Operating Current at 500 kHz Very Low 150-A Current During UVLO DESCRIPTION
    The UCC3895 is a phase-shift PWM controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other. The device allows constant frequency pulse-width modulation in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The part is used either as a voltage-mode or current-mode controller. While the UCC3895 maintains the functionality of the UC3875/6/7/8 family and UC3879, it improves on that controller family with additional features such as enhanced control logic, adaptive delay set, and shutdown capability. Because the device is built using the BCDMOS process, it operates with dramatically less supply current than it's bipolar counterparts. The UCC3895 operates with a maximum clock frequency of 1 MHz. APPLICATIONS Phase-Shifted Full-Bridge Converters Off-Line, Telecom, Datacom and Servers Distributed Power Architecture High-Density Power Modules UCC3895 1 EAN EAP 20 7 Q1 VOUT 2 EAOUT SS/DISB 19 3 RAMP OUTA 18 4 REF OUTB 17 A C 5 GND PGND 16 VIN VBIAS 6 SYNC VCC 15 7 CT OUTC 14 B D 8 RT OUTD 13 9 DELAB CS 12 10 DELCD ADS 11 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
    PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 1999­2013, Texas Instruments Incorporated UCC1895, UCC2895, UCC3895
    SLUS157P ­ DECEMBER 1999 ­ REVISED JUNE 2013 www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradati ...

Цены

    IC REG CTRLR PWM CM/VM 20-PLCC
    ПоставщикПроизводительНаименованиеЦена
    5 элементRiedonPFU1000-5RJ1от 12 748 руб.
    КремнийUCC3895QG3по запросу
    ЭлектроПластTexas InstrumentsUCC3895QG3по запросу
    Подробнее об условиях поставки »

Выписка из документа:
UCC1895, UCC2895, UCC3895
www.ti.com SLUS157P ­ DECEMBER 1999 ­ REVISED JUNE 2013 BiCMOS Advanced Phase-Shift PWM Controller
Check for Samples: UCC1895, UCC2895, UCC3895
1 FEATURES
Programmable-Output Turnon Delay Adaptive Delay Set Bidirectional Oscillator Synchronization Voltage-Mode, Peak Current-Mode, or Average Current-Mode Control Programmable Softstart, Softstop and Chip Disable via a Single Pin 0% to 100% Duty-Cycle Control 7-MHz Error Amplifier Operation to 1 MHz Typical 5-mA Operating Current at 500 kHz Very Low 150-A Current During UVLO DESCRIPTION
The UCC3895 is a phase-shift PWM controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other. The device allows constant frequency pulse-width modulation in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The part is used either as a voltage-mode or current-mode controller. While the UCC3895 maintains the functionality of the UC3875/6/7/8 family and UC3879, it improves on that controller family with additional features such as enhanced control logic, adaptive delay set, and shutdown capability. Because the device is built using the BCDMOS process, it operates with dramatically less supply current than it's bipolar counterparts. The UCC3895 operates with a maximum clock frequency of 1 MHz. APPLICATIONS Phase-Shifted Full-Bridge Converters Off-Line, Telecom, Datacom and Ser...

Модельный ряд

Серия: UCC1895, UCC2895, UCC3895 (2)

Классификация производителя

  • Semiconductors > Power Management > AC/DC and Isolated DC/DC Power Supply > PWM and Resonant Controller

На английском языке: Datasheet Texas Instruments UCC3895QG3

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