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AN1077

ISL6244EVAL1 Multi-phase Evaluation Board Setup Procedure

Intersil 

Board Layout Information

5

4

3

2

1

+VDC

R1

90K

+5V

D

C

R4

2.5k

0

B

C2

R5

12nF

C3

2.43k

nopop

A

5

C1

D

R2

0.1uF

10K

R36

10k

0

TP1

ENABLE

PGOOD

TP2

R3

107k

0

VID4

VID3

VID2

VID1

VID0

R35

1 VID2

2 VID1

3 VID0

4 NC

U1

5 OFS ISL6244CR

6 COMP

7 FB

8 NC

33 PAD

PWM4 24

ISEN4 23

ISEN1 22

PWM1 21

PWM2 20

GND 19

ISEN2 18

ISEN3 17

0

TP3

ISEN4

TP5

1

TP4

PWM2

ISEN2

ISEN3

PWM3

ISEN1

PWM1

R41

C

0.0

R42

nopop

PWM4

Use to switch between

3 & 4-phase operation:

4-phase: pop R42 (0-ohm)

nopop R41

3-phase: nopop R42

pop R41 (0-ohm) B

TP6

0.0

R6

R7

715

R8

C4

603

6.8nF

20.0

TP7

TP8

VCORE+

VCORE-

+5V

R9

C5

10.0

1uF

0

4

3

Steve Laur

4020 Stirrup Creek Drive

Durham, NC 27703

Size

Title

A

ISL6244 EVAL 1 for AMD Hammer

Date: Tuesday, June 17, 2003

2

Sheet 1

of

1

A

Rev

B

5

FIGURE 3. SCHEMATIC 1

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