CS5157H
Additional Application Circuits
5V
12V
1N5818
+12V
MBRS
120
0.1µF
MBRS120
1µF
V
CC1
V
ID0
V
ID1
V
ID2
V
ID3
V
ID4
MBRS120
1µF
Si4410DY
V
CC2
V
GATE(H)
3µH
3.3V/10A
+
100µF/10V x 3
Tantalum
1µF
1N5818
22Ω
1/4W
1µF
1N4746
18V 1W
0.1µF
FY10AAJ-
03
+
820µF/16V
×
4
Aluminum
Electrolytic
1.1µH
3.3V/5A
V
CC1
V
ID0
V
CC2
V
GATE(H)
CS5157H
V
GATE(L)
PGnd
V
FB
LGnd
V
FFB
3.3k
0.1µF
100pF
+
100µF/10V x 3
Tantalum
0.33µF
330pF
Si9410DY
V
ID1
V
ID2
V
ID3
V
ID4
C
OFF
CS5157H
V
FB
FY10AAJ-
03
FY10AAJ-
03
+
C
OFF
330pF
SS
0.1µF
0.33µF
COMP
1200µF/10V
×
2
Aluminum
Electrolytic
V
GATE(L)
SS
COMP
LGnd
PGnd
V
FFB
3.3k
100pF
Figure 21: 5V to 3.3V/10A converter.
Figure 23: 12V to 3.3V/5A converter with remote sense.
5V
12V
MBRS
120
0.1µF
MBRS120
1µF
V
CC1
V
ID0
V
ID1
V
ID2
V
ID3
V
ID4
C
OFF
330pF
SS
0.1µF
0.33µF
COMP
LGnd
PGnd
V
FFB
3.3k
Connect to
other circuits for
current sharing
0.1µF
0.33µF
COMP
LGnd
100pF
V
GATE(L)
330pF
SS
PGnd
V
FFB
3.3k
V
CC2
V
GATE(H)
MBRS120
1µF
Si4410
3µH
+
100µF/10V x 3
Tantalum
1µF
+
Remote
Sense
V
CC1
3.3V/10A
V
ID0
V
ID1
V
ID2
+
100µF/10V x 3
Tantalum
V
ID3
V
ID4
C
OFF
V
FB
+
Si9410
V
CC2
V
GATE(H)
Si9410
5µH
2.5V/7A
33µF/25V x 3
Tantalum
3.3V
CS5157H
V
FB
10Ω
Si9410
CS5157H
V
GATE(L)
100µF/10V x 2
Tantalum
100pF
Figure 22: 5V to 3.3V/10A converter with current sharing.
Figure 24: 3.3V to 2.5V/7A converter with 12V bias.
13
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
