iru3011 International Rectifier Corp., iru3011 Datasheet - Page 6

• Manufacturer Part Number: iru3011
• Description: 5-bit Programmable Synchronous Buck Controller Ic -
• Manufacturer: International Rectifier Corp.

IRU3011
TYPICAL APPLICATION
Synchronous Operation
(Dual Layout with HIP6004B)
6
12V
5V
HIP6004B
IRU3011
C 1
Part #
VID4
VID3
VID2
VID1
VID0
C 2
R13
C 3
L1
S - Short
R5
O
S
Figure 3 - Typical application of IRU3011 in an on board DC-DC converter
C 5
N C / G n d
SS
R7
V12
O
V
D 4
Table 2 - Components that need to be modified to make
C 6
R 1
CS+
D 3
the dual layout work for IRU3011and HIP6004B.
R8
V
O
providing the Core supply for microprocessor.
R 2
O - Open
HDrv
Q1
D 2
D 1
R9
V
V
B o o t
IRU3011
N C /
D 1
C 4
C4
www.irf.com
CS-
V
O
D 0
V - See IR or Harris parts list for the value
R 3
Ct/Rt
LDrv
C7
O
V
C 7
Q2
O V P
G n d
V 5 / C o m p
C9
N C / S e n
O
V
P G d
R 4
C 8
V
FB
R10
C11
V
O
L2
R 5
R11
C15
C 9
C12
V
O
R 8
R 7
R 6
C12
C14
C11
C13
V
O
C10
R 9
C13
Vcore
Vcc3
Power Good
D1
V
O
R12
08/20/02
Rev. 1.6