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  • RT8120AZSP

    The RT8120 is a single-phase synchronous buck PWM

    DC/DC controller designed to drive two N-MOSFET. It

    provides a highly accurate, programmable output voltage

    precisely regulated to low voltage requirements with an

    internal 0.8V

    ±1%

    ( option for 0.6V

    ±1.5%)

    reference. The

    RT8120 uses a single feedback loop voltage mode PWM

    control for fast transient response. An oscillator with fixed

    frequency 300kHz reduces the external inductor and

    capacitor component size for saving PCB board area. The

    RT8120 provides fast transient response to satisfy high

    current output applications while minimizing external

    components. It is suitable for high performance graphic

    processors, DDR and VTT power. The RT8120 incorporates

    an externally compensated error amplifier and an internal

    soft-start and output enable. The RT8120 comes in

    SOP-8 and SOP-8 (Exposed Pad) packages.


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商品描述

The RT8120 is a single-phase synchronous buck PWM

DC/DC controller designed to drive two N-MOSFET. It

provides a highly accurate, programmable output voltage

precisely regulated to low voltage requirements with an

internal 0.8V

±1%

( option for 0.6V

±1.5%)

reference. The

RT8120 uses a single feedback loop voltage mode PWM

control for fast transient response. An oscillator with fixed

frequency 300kHz reduces the external inductor and

capacitor component size for saving PCB board area. The

RT8120 provides fast transient response to satisfy high

current output applications while minimizing external

components. It is suitable for high performance graphic

processors, DDR and VTT power. The RT8120 incorporates

an externally compensated error amplifier and an internal

soft-start and output enable. The RT8120 comes in

SOP-8 and SOP-8 (Exposed Pad) packages.


Features z Wide Input Voltage Range : 3V to 13.2V z Embedded Switching Boot Diode z 0.8V ±1%, 0.6V ±1.5% Internal Reference z Shoot-Through Protection and Short Pulse Free Technology for Gate Drivers z Fixed Frequency 300kHz z Internal Soft-Start z Over Current Protection by Sensing MOSFET RDS(ON) z Enable/Shutdown Control z Drives Two N-MOSFETs z Full Duty Cycle : 0% to 85% z Fast Transient Response z Voltage Mode PWM Control with External Feedback Loop Compensation z Pinless LGATE Over Current Setting (LGOCS) z Under Voltage Protection z SOP-8 and SOP-8 (Exposed Pad) Packages z RoHS Compliant and Halogen Free Applications z System (Graphic, MB) with 5V or 12V Power z Graphic Cards (AGP 8X, 4X, PCI Express*16) z 3.3V to 12V Input DC/DC Regulators z Low Voltage Distributed Power Supplies