Datasheet
MAX8664
Low-Cost, Dual-Output, Step-Down
Controller with Fast Transient Response
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FB1
IN
PWRGD
V
CC
VL
GND
OSC/EN12
REFIN2
FB2
ILIM1
DH1
LX1
BST1
DL1
PGND
VCC
INPUT
7.2V TO 20V
POWER-GOOD
TO SYSTEM
ENABLE
OUT1
1.5V/10A
C8
4700pF
R3
10kΩ
R4
5.36kΩ
L1
1.43μH
R6
2.26kΩ
C9
470μF
C10
10μF
R2
40.2kΩ
MAX8664
LX2
BST2
DL2
C5
1μF
C6
1μF
C12
4.7μF
R8
75kΩ
R11
10kΩ
R10
2Ω
C20
1000pF
R12
9.53kΩ
L2
1.43μH
R9
25.5kΩ
C17
4700pF
OUT2
1.05V/8A
N4
C16
0.22μF
C19
10μF
C18
470μF
ILIM2
DH2
C14
10μF
C13
0.01μF
C15
10μF
R7
10kΩ
N5
2N7002
C2
10μF
C1
0.01μF
N1
R1
2.87kΩ
C3
10μF
C4
OPEN
N2
N3
C7
0.22μF
C11
1000pF
R5
2Ω
Figure 5. 300kHz Circuit with 7.2V to 20V Input