參數(shù)資料
型號(hào): CS5127GDWR16
廠商: ZF Electronics Corporation
英文描述: Dual Output Nonsynchronous Buck Controller with Sync Function and Second Channel Enable
中文描述: 非同步雙輸出同步降壓控制器的功能及第二通道啟用
文件頁(yè)數(shù): 17/24頁(yè)
文件大?。?/td> 293K
代理商: CS5127GDWR16
C
Additional Application Circuits continued
17
+5V
3.3V
C1
680
m
F
+
Q3
IRL3103S
C5
680
m
F
C17
330PF
C12
680
m
F
CS5127
m
1
SYNC
1
CT
2
RT
3
V
FB1
4
COMP1
5
V
FFB1
GATE1
6
7
LGND
8
V
IN
16
V
REF
15
ENABLE
14
V
FB2
13
COMP2
V
FFB2
12
11
GATE2
10
PGND
09
Q2
IRL3103S
Q1
FMMT2222ACT
R11
20K
C3
1
m
F
R66
1M
R71
10K
C9
0.1
m
F
C6
0.1
m
F
R8
1.50K
R68
15k
C8
1
m
F
C13
680
m
F
C14
330PF
+
C10
680
m
F
R1
20K
D2
1N5821
L2
5
m
F
R4
1.54K
R10
20K
L1
5
m
H
R6
1K
C7
330PF
D1
1N5821
C16
100
m
F
R5
1.27K
+12V
+12V
+12V
+5V
C4
680
m
F
2.40K
R7
R9
2K
R3
18K
C15
100
m
F
+
RDROOP
2.8V
+
R75
1M
R76
1M
C25
0.1
m
F
R69
10K
Q4
2N2907
Q7
2N2907
LM2903
U4A
LM2903
U4B
R72
20K
R74
1K
R73
1K
R70
20K
C11
680
m
F
.008
R65
1M
R67
15k
8
C2
680
m
F
R77
15K
R78
15K
+
RDROOP
.008
+
+
-
-
C24
0.1
m
F
Figure 17: 200kHz, V
2
a, 5V/12V input, 2.8V@ 7A and 3.3V @ 7A outputs with current limit.
2.8V
3.3V
R4
1540
C7
330PF
C16
100
m
F
C17
330pF
R7
2400
CS5127
m
1
SYNC
1
CT
2
RT
3
V
FB1
4
COMP1
5
V
FFB1
6
GATE1
7
LGND
8
V
IN
16
V
REF
15
ENABLE
14
V
FB2
13
COMP2
12
V
FFB2
11
GATE2
10
PGND
09
D1
1N5821
Q2
IRL3103S
Q1
FMMT2222ACT
C2
680
m
F
C13
680
m
F
C6
0.1
m
F
R9
2K
R3
18K
C15
100
m
F
C14
330pF
+
C10
680
m
F
L2
10
m
H
C12
680
m
F
R5
1270
R10
20K
L110
m
H
R6
1K
R2
27K
Q3
IRL3103S
D2
1N5821
R8
1500
+
C1
m
F
R1
+
C11
680
m
F
R11
20K
C9
0.1
m
F
+5V
+12V
+
2.5V
+
-
1
8
3
2
C4
680
m
F
+
C5
680
m
F
+5V
C18
47
m
F
Q4
IRL3103S
R18
2400
R17
2400
+
C8
1
m
F
C3
1
m
F
U2A
1/2 LM358
4
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.
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