Rainbow Electronics MAX8548 - Manual (Page 10)

MAX8545/MAX8546/MAX8548
Low-Cost, Wide Input Range, Step-Down
Controllers with Foldback Current Limit
10 ______________________________________________________________________________________
MAX8545*
MAX8546
MAX8548*
BST V CC
COMP/
EN
VL V IN
DH
LX
DL
GND
FB
+2.7V TO
+5.5V INPUT
OUT
1.8V/3A OR 6A
D2 R2
C10 C11
C1
C5
D1
Q1
L1
R4
R3
C6
C3 C2 C4
C7 C8
*FOLLOW THE DATA SHEET DESIGN PROCEDURE TO SELECT THE
EXTERNAL COMPONENTS FOR THE MAX8545/MAX8548.
R1
C9
Figure 1. Typical Application Circuit (2.7V to 5V) Input (see Tables 1a, 1b)
MAX8545*
MAX8546
MAX8548*
BST
V IN
COMP/
EN
VL V CC
DH
LX
DL
GND
FB
+10V TO
+24V INPUT
OUT
2.5V/3A OR 6A
D2 R2
C10 C11
C1
C12
C9
C5
D1
Q1
R1
L1
R4
R3
C6
C3 C2 C4
C7 C8
*FOLLOW THE DATA SHEET DESIGN PROCEDURE TO SELECT THE
EXTERNAL COMPONENTS FOR THE MAX8545/MAX8548.
Figure 2. Typical Application Circuit (10V to 24V) Input (see Tables 2a, 2b)