iru3004 International Rectifier Corp., iru3004 Datasheet - Page 6

• Manufacturer Part Number: iru3004
• Description: 5-bit Programmable Synchronous Buck Controller Ic With Dual Ldo Controller
• Manufacturer: International Rectifier Corp.

IRU3004
TYPICAL APPLICATION
Pentium III
6
VID4
VID3
VID2
VID1
VID0
C 1
3.3V
12V
5V
C13
Figure 3 - Typical application of IRU3004 in an on-board DC-DC converter providing the Core, GTL+,
C 2
R18
L1
C 3
C 4
C t
SS
V12
D 4
C 5
V5
D 3
C 6
and Clock supplies for the Pentium II microprocessor.
CS+
D 2
R 1
R 2
H D r v
IRU3004
Q1
D 1
CS-
D 0
R 3
www.irf.com
LDrv
V
FB2
PGd
Gnd
C 8
Q2
R 5
3.3V
V
Lin2
R 4
FB3
V
Lin1
C 7
FB1
Power Good
R16
L2
R12
R 9
R11
C 9
R17
C16
R13
Q3
Q4
C15
C14
C10
V
R14
R15
R 8
R 7
O U T
3
C11
C12
07/16/02
Rev. 1.7
V
V
O U T
O U T
1
2