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RT9245A

Richtek Technology
Part Number RT9245A
Manufacturer Richtek Technology
Description Multi-Phase PWM Controller
Published Dec 2, 2007
Detailed Description www.DataSheet4U.com RT9245A Multi-Phase PWM Controller for CPU Core Power Supply General Description RT9245A is a multi...
Datasheet PDF File RT9245A PDF File

RT9245A
RT9245A

Overview
www.
DataSheet4U.
com RT9245A Multi-Phase PWM Controller for CPU Core Power Supply General Description RT9245A is a multi-phase buck DC/DC controller integrated with all control functions for AMD K8 CPU or Intel ® GHz CPU which is VRD10.
x-compliant.
The RT9245A could be operated with 2, 3 or 4 buck switching stages operating in interleaved phase set automatically.
The multiphase architecture provides high output current while maintaining low power dissipation on power devices and low stress on input and output capacitors.
The high equivalent operating frequency also reduces the component dimension and the output voltage ripple in load transient.
RT9245A implements both voltage and current loops to achieve good regulation, response and power stage thermal balance.
RT9245A applies the DCR sensing technology newly.
The RT9245A extracts the DCR of output inductor as sense component to deliver a precise load line regulation and good thermal balance for next generation processor application.
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