iru3055 International Rectifier Corp., iru3055 Datasheet - Page 23

• Manufacturer Part Number: iru3055
• Description: 5-bit Programmable 3-phase Synchronous Buck Controller Ic -
• Manufacturer: International Rectifier Corp.

TYPICAL APPLICATION (3)
Rev. 1.4
08/13/02
5V
C 9
1uF
C12
22nF
R 3
47K
20K
R 6
C 5
1uF
C10
0.1uF
Figure 26 - Typical application of IRU3055 in notebook application.
V c c
R e f
D 3
D 1
D 0
R t
SS
D 4
D 2
Comp
10
R7
V
IRU3055
P G n d 1 /
OCGnd
PGnd2
PGnd3
OCSet
HDrv1
HDrv2
HDrv3
LDrv1
LDrv2
LDrv3
V
C S 1
C S 3
C S 2
V
CL23
F b
CL1
C 1
1uF
1N4148
D2
www.irf.com
C15
1uF
2.2K
R 1
1uF
C3
Q1
IRF3704S
Q2
IRF3711S
Q3
IRF3704S
Q4
IRF3711S
Q6
IRF3711S
Q5
IRF3704S
D1
C 2
1uF
Q7
R8
1K
R 2
3.3K
R 4
3.3K
R 5
3.3K
D3
12V
C 6
6x 1500uF
2uH
2uH
2uH
L2
L3
L4
1uH
C11
L1
C 8
1uF
1uF
C13
1uF
IRU3055
C 4
1000uF
1.5V / 60A
C14
8x 2700uF
Battery
19V
23