Datasheet

Evaluates: MAX8655/MAX8688
MAX8655 Evaluation Kit
6 _______________________________________________________________________________________
R16
51.1kΩ
U1
MAX8655
PGND
7
PGND
8
PGND
9
PGND
10
IN
25
N.C.
29
N.C.
30
N.C.
42
SCOMP
41
N.C.
49
SS
37
AVL
27
REFIN
38
PGND
11
PGND
12
PGND
13
PGND
14
PGND
15
GND
39
GND
23
GND
28
GND
48
PVIN
PVIN
PVIN
PVIN
PVIN
PVIN
PVIN
PVIN
PVIN
PVIN
PVIN
GND
GND
GND
GND
GND
GND
56 55 54 53 52 51 5 4
321
GND
GND
VIN
C4
10μF
GND
C3
10μF
GND
C2
10μF
GNDGND
C1
OPEN
R18
10Ω
R3
3.3Ω
R13
56.2kΩ
R12
100kΩ
C8
0.22μF
GND
C8A
OPEN
1 2
VIN = +12V
+10.8V…+13.2V
JP1
1 2
JP5
GND
1 2
JP2
GND
1 2
JP6
1 2 3 4
JP4
R1
OPEN
R17
0Ω
D1
CMOSH-3
R35
100kΩ
R2
0Ω
R5
OPEN
AVL
SCOMP
VIN VL AVL AVLI
GND
GND
R15
41.2kΩ
GND
GND GND
GND
GND
C14
1μF
C16
0.022μF
C19
470pF
C20
OPEN
C13
0.47μF
REFIN
EN
REFIN
COMP
36
VL
24
C6
2.2μF
C6A1
OPEN
VLGND
22
BST
47
R8
2.87kΩ
FB
35
C7A
OPEN
C17
0.47μF
C7
0.22μF
C15
1000pF
LXB
50
LX
16
LX
17
LX
18
LX
19
LX
20
LX
21
ILIM2
40
ILIM1
33
LX
6
L1
0.56μH
R4
681Ω
CS+
31
C18
100pF
LX
VOUT
VOUT
FB
R6
357Ω
CS-
32
GND
GND
C12
100μF
GND
C11
100μF
GND
C10
100μF
GND
C9
100μF
R9
OPEN
R11
80.6kΩ
R10
4.02kΩ
1 2
JP3
VOUT 20A MAX
1 2
JP9
R14
OPEN
POK
EN
MODE
OVP
SYNCO
FSYNC
43 26 45 34 46 44
AVL
POK
GND
1 2
JP7
GND
1 3 2
JP8
EN
VIN
GND
1 3 2
JP10
SYNCO SYNC
R7
40.2kΩ
AVL
Figure 1a. MAX8655 EV Kit Schematic (Sheet 1 of 2)