Additional Application Circuits
5V
3.3V
12V
1µF
0.1µF
MBRS120
+
33µF/25V x 3
+
100µF/10V x 3
1µF
MBRS
120
Tantalum
MBRS120
1µF
Tantalum
Si9410
Si4410DY
VCC2
VCC1
VGATE
VCC2
VCC1
VGATE
5µH
2.5V/7A
3µH
3.3V/10A
VID0
VID1
VID2
VID3
VID4
VID0
VID1
VID2
VID3
VID4
VFB
+
CS5156
2
100µF/10V x 2
Tantalum
CS5156
MBR1535CT
1,3
2
MBR1535CT
COFF
330pF
SS
COFF
1,3
PGnd
330pF
SS
VFB
PGnd
VFFB
0.1µF
3.3k
COMP
0.1µF
3.3k
COMP
LGnd
VFFB
LGnd
0.33µF
+
0.33µF
100pF
100µF/10V x 3
Tantalum
100pF
Figure 21: 3.3V to 2.5V/7A converter with 12V bias.
Figure 19: 5V to 3.3V/10A converter.
5V
0.1µF
MBRS120
1µF
MBRS120
+
100µF/10V x 3
1µF
MBRS
120
Tantalum
Remote
Sense
Si4410
VCC2
VCC1
VGATE
3µH
3.3V/10A
VID0
VID1
VID2
VID3
VID4
VFB
CS5156
10Ω
100µF/10V x 3
Tantalum
+
2
MBR1535CT
COFF
SS
1,3
330pF
PGnd
VFFB
3.3k
COMP
0.1µF
0.33µF
LGnd
Connect to
100pF
other circuits for
current sharing
Figure 20: 5V to 3.3V/10A converter with current sharing.
13
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
