IRU3007
TYPICAL APPLICATION
R22
12V
L1
R12
C10
R9
C8
C5
C14
5V
C2
C3
OCSet2 V12 OCSet1
R10
R13
Q3
Q1
UGate1
Phase1
UGate2
Phase2
L2
L3
VOUT2
3.0V - 3.5V
VOUT1
1.8V - 3.5V
C16
C1
R14
C4
R1
Q4
C13
R15
LGate1
D1
R16
R21
PGnd
VSEN1
Fb1
VSEN2
Fb2
R2
R17
C15
U1
IRU3007
R19
R3
5V
C19
V5
PGood
PGood
Fault/Rt
Q2
Gate3
Fb3
R5
VOUT3
1.5V
VID0
VID1
VID2
VID3
VID4
C17
R6
VOUT4
2.5V
VOUT4
Fb4
C18
R7
R8
5V
SS
Gnd
C9
Figure 3 - Typical application of IRU3007 for an on-board DC-DC converter providing power
for the Vcore, GTL+, Clock supply as well as an on-board 3.3V I/O supply
for the Deschutes and the next generation processor applications.
Rev. 2.1
08/20/02
www.irf.com
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