US3011
TYPICAL APPLICATION
SYNCHRONOUS OPERATION
(Dual Layout with HIP6004B)
L1
L2
Q1
5V
Vcore
R10
R11
C15
C5
R1
C1
C8
R4
C3
Q2
C10
R2
R3
C6
C11
R7
D1
C4
R13
R9
12V
18
2
14
15
13
17
16
1
C12
R8
V12
CS+
HDrv
NC/
Boot
CS-
LDrv
Gnd NC/Sen
11 NC/Gnd
Vfb 10
C13
R12
R5
US3011
3 SS
V5/Comp 9
D4
8
D3
7
D2
6
D1
5
D0
4
Ct/Rt
20
OVP
19
PGd
12
C2
C9
Vcc3
Power Good
VID4
R6
C7
VID3
VID2
VID1
VID0
C14
3011app1-1.3
Typical application of US3011 in an on board DC-DC converter providing the Core supply for
microprocessor.
Table of components that need to be modified to make the dual layout work for US3011
and HIP6004B.
Part #
HIP6004B O
R5
R7
V
R8
V
R9
V
C4
V
C7
O
C9
O
C11
V
C12
V
C13
V
D1
V
US3011
S
O
O
V
O
V
V
O
O
O
O
S - Short
O - Open
V - See Unisem or Harris parts list for the value.
Rev. 1.3
12/8/00
4-6
UNISEM [ UNISEM ]
