NCP5388 datasheet(5/34 Pages) ONSEMI

Part #	NCP5388

Description	2/3/4 Phase Buck Controller for VR10 and VR11 Pentium IV Processor Applications

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP5388

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5

VID0

VCC

2

VID1

3

VID2

4

VID3

5

VID4

6

VID5

7

VID6

8

VID7

9

VR10/VR11

10

EN

1

VR_RDY

37

VR_HOT

40

VR_FAN

39

VS−

16

VS+

15

DGND

AGND

VREF

NTC

VID0

VID1

VID2

VID3

VID4

VID5

VID6

VID7

VID8

VR_FAN

VR_HOT

VR_RDY

VR_EN

VTT

680 W PULLUPS

36

U1

RVCC

CVCC1

+12 V

35

14

34 RNTC1

RT1

38

30

VCC

4

BST

1

DRVH 8

SW

7

DRVL

5

PGND

6

OD

3

IN

2

C1

C3

C4

12 V_FILTER

L1

R2

C2

RS1

CS1

CS1N

22

21

12 V_FILTER

NCP3418B

VCC

4

BST

1

DRVH

8

SW

7

DRVL

5

PGND

6

OD

3

IN

2

12 V_FILTER

VCC

4

BST

1

DRVH

8

SW

7

DRVL 5

PGND

6

OD

3

IN

2

12 V_FILTER

NTD60N02RT4

31

CS2

CS2N

24

23

32

CS3

CS3N

26

25

33

CS4

CS4N

28

27

DRVON 29

SS

ROSC

COMP

+

DIFFOUT

17

RT2

RISO2

CFB1

RFB1

RFB

VFB

19

RDRP

VDRP

20

ILIM

18

CF

RF

CH

CSS

11

12

RLIM1

13

RLIM2

VCCP

VSSP

Figure 3. Application Schematic for Three Phases

NTD85N02RT4

CPU GND

NCP5388

RT2 LOCATED NEAR OUTPUT INDUCTORS

D1

BAT54HT1

G1

G2

G3

G4

RISO1

RNTC2

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Similar Description - NCP5388

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	NCP5385	474Kb / 34P	2/3/4 Phase Buck Controller for VR10 and VR11 Pentium IV Processor Applications October, 2008 ??Rev. 2
	NCP5381A	401Kb / 34P	2/3/4 Phase Buck Controller for VR10 and VR11 Pentium IV Processor Applications August, 2006 ??Rev. 4
	NCP5382	349Kb / 33P	2/3/4/5/6 Phase Buck Controller for VR10 and VR11 Pentium IV Processor Applications March, 2007 ??Rev. 0
	NCP5389	478Kb / 28P	2/3 Phase Buck Controller for VR11 Pentium IV Processor Applications October, 2008 ??Rev. 2
	NCP5391	359Kb / 26P	2/3 Phase Buck Controller for VR11 Pentium IV Processor Applications July, 2007 - Rev. 1
STMicroelectronics	L6756D	650Kb / 36P	2/3/4 phase buck controller for VR10, VR11 and VR11.1 processor applications
STMicroelectronics	L6756	48Kb / 3P	2/3/4 phase buck controller for VR10, VR11.1 and AM2 processor applications
Renesas Technology Corp	ISL6312A	1Mb / 36P	Four-Phase Buck PWM Controller with Integrated MOSFET Drivers for Intel VR10,VR11, and AMD Applications
Intersil Corporation	ISL6312	736Kb / 35P	Four-Phase Buck PWM Controller with Integrated MOSFET Drivers for Intel VR10,VR11, and AMD Applications
Intersil Corporation	ISL6312	748Kb / 35P	Four-Phase Buck PWM Controller with Integrated MOSFET Drivers for Intel VR10, VR11, and AMD Applications

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