L6714 데이터 시트보기 (PDF) - STMicroelectronics

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L6714

4 phase controller with embedded drivers for Intel VR10, VR11 and AMD 6Bit CPUs

STMicroelectronics 

L6714

1

Block diagram

Figure 1. L6714 block diagram

Block diagram

SS_END / PGOOD

OSC / FAULT

SS_OSC / REF

HS1

HS1

LOGIC PWM

ADAPTIVE ANTI

CROSS CONDUCTION

CURRENT SHARING

CORRECTION

PWM1

HS2

LS2

LOGIC PWM

ADAPTIVE ANTI

CROSS CONDUCTION

CURRENT SHARING

CORRECTION

PWM2

HS3

LS3

LOGIC PWM

ADAPTIVE ANTI

CROSS CONDUCTION

CURRENT SHARING

CORRECTION

PWM3

HS4

LS4

LOGIC PWM

ADAPTIVE ANTI

CROSS CONDUCTION

CURRENT SHARING

CORRECTION

PWM4

VR_HOT

VR_FAN

TM

DIGITAL

SOFT START

VID0

VID1

VID2

VID3

VID4

VID5

VID6

VID7 / D-VID

VID_SEL

OUTEN

OUTEN

VCC

VCCDR

OUTEN

DAC/CS_SEL

ERROR

AMPLIFIER

PWM1

PWM2

PWM3

PWM4

L6714

CONTROL LOGIC

AND PROTECTIONS

OCP1

OCP2

OCP3

OCP4

OFFSET CS_SEL

TOTAL DELIVERED CURRENT

OVP

COMPARATOR

+150mV / 1.800V / OVP

64k

64k

1.240V

REMOTE

BUFFER

64k

64k

OVP

CS_SEL

CH1 CURRENT

READING

OCP1

CS_SEL

CH2 CURRENT

READING

OCP2

CS_SEL

CH3 CURRENT

READING

OCP3

CS_SEL

CH4 CURRENT

READING

DAC / CS_SEL

OCP4

VCC

CS1-

CS1+

CS2-

CS2+

CS3-

CS3+

CS4-

CS4+

SGND

5/70

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