Rainbow Electronics MAX5081 - Manual (Page 16)

MAX5080/MAX5081
1A, 40V, MAXPower Step-Down
DC-DC Converters
16 ______________________________________________________________________________________
Figure 6. MAX5081 Typical Application Circuit
Typical Application Circuits
MAX5080
V IN
4.5V TO 40V
ON/OFF
C1
10 µF
R1
1.4M Ω
R2
549k Ω
C2
0.1 µF
C10
0.1
µF
PGND
REG
LX
FB
IN
SYNC SGND PGND SS COMP
DVREG C-
C3
0.1 µF
V OUT
PGND
C4
0.1
µF
C9
0.047
µF
D1
D2
L1
47 µH
C8
820pF
C5
47
µF R6
187
Ω
R5
3.01k Ω
C+ BST
C7
22nF
C6
6.8nF
R3
6.81k
Ω
R4
4.02k
Ω
Figure 5. MAX5080 Typical Application Circuit
MAX5081
V IN
7.5V TO 40V
ON/OFF
C1
10 µF
R1
1.4M Ω
R2
301k Ω
C2
0.1 µF
C10
0.1
µF
PGND
REG
LX
FB
IN
SYNC SGND PGND SS COMP
DVREG
V OUT
PGND
C4
0.1
µF
C9
0.047
µF
D1
D2
L1
47 µH
C8
820pF
C5
47
µF R6
187
Ω
R5
3.01k Ω
BST
C7
22nF
C6
6.8nF
R3
6.81k
Ω
R4
4.02k
Ω