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RT8857

Richtek
Part Number RT8857
Manufacturer Richtek
Description 4/3/2/1-Phase PWM Controller
Published Feb 1, 2014
Detailed Description RT8857/A 4/3/2/1-Phase PWM Controller with Embedded Drivers for CPU Core Power Supply General Description The RT8857/A i...
Datasheet PDF File RT8857 PDF File

RT8857
RT8857

Overview
RT8857/A 4/3/2/1-Phase PWM Controller with Embedded Drivers for CPU Core Power Supply General Description The RT8857/A is a 4/3/2/1-phase synchronous buck controller with 2 integrated MOSFET drivers for Intel VR11.
1/VR10.
x and AMD K8/K8_M2 CPUs power application.
RT8857/A uses differential inductor DCR current sense to achieve phase current balance and active voltage positioning.
Other features include adjustable operating frequency, adjustable soft start, power good indication, external error-amp compensation, over voltage protection, over current protection, VRHOT sensing and IMON for various applications.
RT8857/A comes to a small footprint with WQFN-48L 7x7 package Features      1...


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