评估板：MAX5072
MAX5072评估板
6 _______________________________________________________________________________________
MAX5072
j1-1
j1-3
j1-4
j1-5
j1-6
R10
110k
Ω
1%
R11
10k
Ω
1%
C17
0.1
µ
F
C2
1
µ
F
25V
C3
0.1
µ
F
C1
10
µ
F
16V
C19
150
µ
F
25V
12
21
DRAIN1
10
V+
PFI
22
DRAIN1
23
bst1/vdd1
bst2/vdd2
SOURCE2
SOURCE2
DRAIN2
DRAIN2
D2
D1
C18
1
µ
F
10V
C4
47
µ
F
10V
L1
4.7
µ
H
R18
4.7
Ω
R1
133k
Ω
1%
R3
2.21k
Ω
1% C6
100pF
C5
100pF
C7
560pF
R2
42.2k
Ω
1%
R4
10k
Ω
1%
R5
5.62k
Ω
1%
26
SOURCE1
SGND
VIN
VIN
VOUT1
(短的)
(pc 板 查出)
VL
PGND
VOUT1
PGND
27
SOURCE1
19
FB1
18
COMP1
14
VL
15
绕过
11
OSC
SW1
16
30 28 29
MR
PGND PGND SGND
13
VL
4
2
31
32
FB2
6
COMP2
RST
同步
PFO
PGOOD1
CLKOUT
7
17
9
8
25
1
EN1
20
FSEL1
24
EN2
5
3
VL
VIN
VOUT2
PGND
JU1
1
2
3
C8
4.7
µ
F
6.3v
C9
0.22
µ
F
16V
C20
0.22
µ
F
16V
VL
JU2
VIN
JU5
JU4
JU3
C15
0.1
µ
F
50V
C14
22
µ
F
16V
C16
10
µ
F
16V
D3
L2
4.7
µ
H
C13
0.1
µ
F
C11
22pF
C10
2200pF
C12
560pF
j1-2
R8
68.1k
Ω
1%
R7
1k
Ω
1%
R9
4.87k
Ω
1%
VL
R6
22.1k
Ω
1%
R17
10k
Ω
1%
R16
100k
Ω
VOUT1
R13
10k
Ω
1%
VOUT1
R12
10k
Ω
1%
VL
R15
100k
Ω
VL VL
R14
100k
Ω
U1
图1. MAX5072评估板原理图
: 点此下载
