L6918 查看數據表（PDF） - STMicroelectronics

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L6918

5 BIT PROGRAMMABLE MULTIPHASE CONTROLLER

STMicroelectronics 

L6918 L6918A

L6918A (MASTER) DEVICE BLOCK DIAGRAM

SYNC_ OUT

ROSC / INH

SGND

SLAVE_OK

SYNCH.

CIRCUITRY

P WM1

VCCDR

HS

PGOOD

DIGITA L

SOFT- STAR T

VID4

VID3

VID2

VID1

VID0

DAC

VCC

VCC DR

TO TAL

CUR RENT

CH1

OCP

LS

CURRENT

READING

CH2 OCP

CH1 OCP

I FB

CH2

OCP

CURRENT

READING

LS

P WM2

HS

VSEN

ERROR

AMPLIFIER

FB

COMP

Vc c

Vcc

L6918 (SLAVE) DEVICE BLOCK DIAGRAM

SLAVE / ADJ SYNC_OUT

ROSC / INH

SGND

VCCDR

SYNC_I N

SLAV E_O K

SYNCH.

CIRCUITRY

HS

P WM1

PGOOD

VPRO G_I N

FBG

FBR

VCC

VCC DR

TO TAL

CUR RENT

CH1

OCP

LS

CURRENT

READING

CH2 OCP

CH1 OCP

1 0k

10 k

I FB

10 k

RE MOTE

10k BUFFER

VVSSEENN

FB

ERROR

AMPLIFIER

COMP

CH2

OCP

CURRENT

READING

LS

P WM2

HS

Vc c

Vcc

BOOT1

UGATE1

PHAS E1

LGATE1

ISEN1

PGNDS1

PGND

PGNDS2

ISEN2

LGATE2

PHAS E2

UGATE2

BOOT2

BOOT1

UGATE1

PHAS E1

LGATE1

ISEN1

PGNDS1

PGND

PGNDS2

ISEN2

LGATE2

PHAS E2

UGATE2

BOOT2

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