6

Rev. 1.6

08/20/02

IRU3011

www.irf.com

TYPICAL APPLICATION

Synchronous Operation

(Dual Layout with HIP6004B)

Part #

R5

R7

R8

R9

C4

C7

C9

C11

C12

C13

D1

HIP6004B

O

V

V

V

V

O

O

V

V

V

V

IRU3011

S

O

O

V

O

V

V

O

O

O

O

Figure 3 - Typical application of IRU3011 in an on board DC-DC converter

providing the Core supply for microprocessor.

Table 2 - Components that need to be modified to make

the dual layout work for IRU3011and HIP6004B.

S - Short

O - Open

V - See IR or Harris parts list for the value

Vcore

5V

12V

VID0

Power Good

Q2

VID1

VID2

VID3

VID4

L1

C5

R1

C3

C6

Q1

R2

R3

C8

R4

C10

C14

C1

C7

C2

R6

C12

R8

C13

C11

R7

R9

R5

C9

D1

C4

Vcc3

R13

L2

R10

R11

C15

R12

HDrv

LDrv

NC/Gnd

SS

CS+

Gnd

NC/Sen

D3

D2

D4

D1

D0

IRU3011

V5/Comp

CS-

V12

NC/

Boot

OVP

PGd

Ct/Rt