Additional Application Circuits
5V
12V
3.3V
0.1µF
MBRS120
V
MBRS
120
1µF
+
1200µF/10V x 3
+
1200µF/10V x 3
1µF
AIEI
MBRS120
1µF
AIEI
Si9410
Si4410DY
VCC2
VCC1
VGATE(H)
V
CC2
V
5µH
CC1
GATE(H)
3µH
2.5V/7A
3.3V/10A
VID0
VID1
VID2
V
V
V
V
V
ID0
ID1
ID2
VFB
+
CS5157
1200µF/10V x 5
AIEI
CS5157
VID3
ID3
ID4
Si9410DY
V
GATE(L)
VID4
Si9410
VGATE(L)
COFF
C
OFF
PGnd
330pF
330pF
SS
SS
V
PGnd
VFFB
FB
0.1µF
3.3k
COMP
0.1µF
3.3k
COMP
V
LGnd
FFB
LGnd
0.33µF
+
0.33µF
100pF
1200µF/10V x 5
AIEI
100pF
Figure 23: 3.3V to 2.5V/7A converter with 12V bias.
Figure 21: 5V to 3.3V/10A converter.
5V
0.1µF
MBRS120
1µF
MBRS120
MBRS
120
+
1200µF/10V x 3
1µF
AIEI
Remote
Sense
Si4410
VCC2
VCC1
VGATE(H)
3µH
3.3V/10A
VID0
VID1
VID2
VID3
VID4
VFB
CS5157
10Ω
Si9410
1200µF/10V x 5
AIEI
+
VGATE(L)
COFF
330pF
0.1µF
0.33µF
SS
PGnd
VFFB
3.3k
COMP
LGnd
Connect to
100pF
other circuits for
current sharing
Figure 22: 5V to 3.3V/10A converter with current sharing.
13
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
