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RT8809A

Part Number	RT8809A
Manufacturer	Richtek Technology
Description	Multi-Phase PWM Controller
Published	Dec 8, 2014
Detailed Description	SacPower RT8809A/B Multi-Phase PWM Controller for GPU Core Power Supply General Description The RT8809A/B is a dual-p...
Datasheet	RT8809A PDF File

Overview

SacPower RT8809A/B Multi-Phase PWM Controller for GPU Core Power Supply General Description The RT8809A/B is a dual-phase synchronous buck PWM controller with integrated drivers which are optimized for high performance graphic microprocessor and computer applications.
The IC integrates a G-NAVPTM PWM controller, two 12V MOSFET drivers with internal bootstrap diodes, as well as output current monitoring and protection functions into the WQFN-24L 4x4 package.
The RT8809A/B adopts DCR and RDS(ON) current sensing.
Load line voltage positioning (droop) and over current protection are accomplished through continuous inductor DCR current sensing, while RDS(ON) current sensing is used for accurat...

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