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RT8857/RT8857A datasheet,pdf(4

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  • 标      签: RT8857

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RT8857/RT8857A datasheet,pdf(4/3/2/1-Phase PWM Controller with Embedded Drivers for CPU Core Power Supply) The RT8857/A is a 4/3/2/1-phase synchronous buckcontroller with 2 integrated MOSFET drivers for IntelVR11.1/VR10.x and AMD K8/K8_M2 CPUs powerapplicaTIon. RT8857/A uses differenTIal inductor DCRcurrent sense to achieve phase current balance and acTIvevoltage posiTIoning. Other features include adjustableoperating frequency, adjustable soft start, power goodindication, external error-amp compensation, over voltageprotection, over current protection, VRHOT sensing andIMON for various applications. RT8857/A comes to a smallfootprint with WQFN-48L 7x7 package
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