Datasheet
Evaluates: MAX8654/MAX8688
MAX8654 Evaluation Kit
4 _______________________________________________________________________________________4 _______________________________________________________________________________________
VDL
VIN
VIN
AGND
SYNC
SYNCOUT
PWRGD
REFIN
EN
ENABLE
VL
LX
VOUT
REFIN
FB
VOUT
GND_SIGNAL
VIN
EN
VIN
VL
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
19
20
21
22
23
24
25
26
27
28293031323334353637
PGND
PGND
PGND
VDL
IN
IN
IN
IN
VP
VL
ILIM
FREQ
GND
REFIN
SS
COMP
FB
PWRGD
SYNCOUT
SYNC
BST
LX
LX
LX
LX
LX
LX
LX
LX
N.C.
EN
GND
N.C.
PGND
PGNDPGND
EP
R9
1kΩ
C6
6800pF
C13
0.1μF
JP1
1
2
C5C
22μF
C9
4.7μF
JP13
1
2
JU1
1
2
C1A
10μF
JP6
1
2
C5A
22μF
C16
DNI
R12
10Ω
C2
1μF
C12
470pF
JU4
1
2
JU3
1
2
3
C4
0.22μF
R2
100kΩ
L1
1μH
C15
0.22μF
R10
100kΩ
JP2
1
2
JP10
1
2
R6
475Ω
R8
2.2Ω
C3
0.01μF
R3
1.5kΩ
1%
JP5
1
2
JP3
1
2
R4
332Ω
1%
JU2
1
2
C1C
10μF
C10
0.22μF
JP4
1
2
R1
100kΩ
1%
R7
75kΩ
1%
JP11
1
2
JP7
1
2
C5B
22μF
C7
0.022μF
C1B
10μF
JP12
1
2
C14
0.22μF
C8
1000pF
R5
15Ω
JP9
1
2
R11
1kΩ
C11
0.01μF
MAX8654
U1
Figure 1a. MAX8654 EV Kit Schematic (Sheet 1 of 2)