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rt9245 pdf,rt9245 datasheet
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格式:rar |
大小:333 |
2008-12-11
李伟
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RT9245 is a multi-phase buck DC/DC controller integrated
with all control functions for Intel® GHz CPU which is
VRD10.X-compliant. The RT9245 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.
RT9245 implements both voltage and current loops to
achieve good regulation, response and power stage
thermal balance.
RT9245 applies the DCR sensing technology newly. The
RT9245 extracts the ESR of output inductor as sense
component to deliver a precise load line regulation and
good thermal balance for next generation processor
application.
Current sense
with all control functions for Intel® GHz CPU which is
VRD10.X-compliant. The RT9245 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.
RT9245 implements both voltage and current loops to
achieve good regulation, response and power stage
thermal balance.
RT9245 applies the DCR sensing technology newly. The
RT9245 extracts the ESR of output inductor as sense
component to deliver a precise load line regulation and
good thermal balance for next generation processor
application.
Current sense
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