TYPICAL APPLICATION
R22
12V
L1
C5
R9
C8
R12
C10
C14
5V
C2
C3
9
28
23
OCSet2 V12 OCSet1
R10
R13
Q1
Q3
Q4
1
2
UGate2
Phase2
UGate1 27
L2
L3
Vout2
Phase1 26
LGate1 25
Vout1
3.0V - 3.5V
1.8V - 3.5V
C1
C16
R14
C4
R1
C13
R15
D1
R16
R21
PGnd 24
Vsen1 22
Fb1 21
15 Vsen2
10 Fb2
R2
R17
C15
U1
R3
R19
5V
11 V5
NC 20
C19
PGood
8
PGood
Q2
18 Gate3
19 Fb3
Fault/Rt 13
R5
Vout3
1.5V
VID0
VID1
VID2
VID3
VID4
7
6
5
4
3
C17
C18
R6
Vout4
2.5V
16 Vout4
Fb4
14
Gnd
17
SS
12
R7
R8
3007app1-1.2
5V
C9
Figure 2 - Typical application of US3007 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. 1.8
12/8/00
4-7