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