CS5127 View Datasheet(PDF) - Cherry semiconductor
Part Name
Description
MFG CO.
CS5127
Cherry semiconductor
'CS5127' PDF : 24 Pages View PDF
Additional Application Circuits continued
+5V
+12V
+12V
+5V
+12V
2.8V
C1
C2
R65
R66
680mF 680mF 1M
1M
R69
Q7
10K 2N2907
Q4
2N2907
R71
10K
R70
R72
20K
20K
+
R73
R74
+
C24
1K
1K
0.1mF -
LM2903
LM2903
-
Q1
U4A
U4B
FMMT2222ACT
R67
15k
R68
15k
m1
1
CS5127
SYNC
VIN
16
R1
20K
C7
2 CT
3 RT
VREF 15
ENABLE 14
330PF
4 VFB1
VFB2 13
C6
0.1mF
C10
680mF
+
RDROOP
+ .008
Q2
IRL3103S
L1
5mH
5 COMP1
6 VF8FB1
7 GATE1
8 LGND
COMP2 12
VFFB2 11
GATE2 10
PGND 09
R4
1.54K
C11
680mF
D1
1N5821
R5
1.27K
20K
R10
R75 R76
1M 1M
C5
C4
680mF 680mF
C25
0.1mF
R77 R78
15K 15K
+ C8
1mF
C3
1mF
+
C9
0.1mF
D2
1N5821
Q3
IRL3103S
L2
5mF
RDROOP
.008
C12 C13
680mF 680mF
3.3V
+
R7
2.40K
R11
R8
20K
1.50K
R9
2K
R6
C14
C15
1K
330PF
100mF
C16
100mF
C17
330PF
R3
18K
Figure 17: 200kHz, V2ª, 5V/12V input, 2.8V@ 7A and 3.3V @ 7A outputs with current limit.
C1
680mF
+5V
C2
680mF
+
Q1
FMMT2222ACT
2.8V
R1
20K
C6
0.1mF
R4
1540
C7
R2
330PF
27K
C10
680mF
+
Q2
IRL3103S
L1 10mH
C11
680mF
D1
1N5821
R5
1270
R10
20K
R6
1K
C14
330pF
Q4
IRL3103S
2.5V
C18
47mF
+12V
+
C3
1mF
m1
1
CS5127
SYNC
VIN
16
2 CT
VREF 15
3 RT
ENABLE 14
4 VFB1
VFB2 13
5 COMP1 COMP2 12
6 VFFB1
7 GATE1
VFFB2 11
GATE2 10
8 LGND
PGND 09
+5V
C4 C5
680mF 680mF
+
Q3
IRL3103S
R17
2400
D2
1N5821
+
C8
1mF
C9
0.1mF
L2
10mH
C12
680mF
C13
680mF
+
3.3V
R7
2400
R8
R9
1500
2K
C15
100mF
R11
R3
C16
C17
20K
100mF
330pF
18K
8
U2A
1/2 LM358
3
1
+
-2
4
R18
2400
Figure 18: CS5127 12V, 5V input to 2.8V @7A and 3.3V @ 7A Switching Regulator with External 1A, 2.5V Linear Output for Vclock.
17
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