Rainbow Electronics MAX15026 - Manual (Page 20)

MAX15026
Low-Cost, Small, 4.5V to 28V Wide Operating
Range, DC-DC Synchronous Buck Controller
20 ______________________________________________________________________________________
Typical Application Circuits (continued)
Single 4.5V to 5.5V Supply Operation
Figure 6 shows an application circuit for a single 4.5V to 5.5V power-supply operation.
Figure 6. V CC = V IN = V DRV = 4.5V to 5.5V
R1
R3
R LIM
DH
LX
L1
BST
DL
ENABLE
PGOOD
V IN
DRV
GND
RT
IN
V
CC
PGOOD
LIM
EN
COMP
FB
R2
RT
C1
4.5V TO 5.5V
C4
C3
C2
Q2
C
F1
C BST
Q1
V OUT
MAX15026