ADP3203 데이터 시트보기 (PDF) - Analog Devices

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ADP3203

2-Phase IMVP-II and IMVP-III Core Controller for Mobile CPUs

Analog Devices 

splitter logic. This control concept ensures that the peak

currents of all channels will be the same, and therefore the

channel currents will be perfectly balanced. The ADOPT

compensation can be used the same way as in the single-phase

version discussed in the preceding text.

ADP3203

Since due to second order effects, the detailed design of a

multiphase converter with the ADP320x family is rather

complex, a design aid using MathSoft’s MathCAD® program

has been developed. Please contact ADI for further information.

Q1

VIN

VSW1

Q2

Q3

VSW2

Q4

PHASE 1 L1 IL1

PHASE 2 L2 IL2

RCS1

RCS2

VOUT

RE LOAD

CO

PHASE

SPLITTER

OUT 2

OUT 1

HYSTERETIC

CORE

COMPARATOR

CURRENT

SENSE MUX

CS1

VH CS2

Figure 4. 2-Phase Modified Hysteretic Regulator with ADOPT

COC RC

RD

VREF

MathCAD is a registered trademark of MathSoft Engineering & Education, Inc.

REV. 0

–15–

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