MAX1808EUB+ Maxim Integrated, MAX1808EUB+ Datasheet - Page 19

• Manufacturer Part Number: MAX1808EUB+
• Description: Current & Power Monitors & Regulators
• Manufacturer: Maxim Integrated

Figure 5 shows an application circuit for a single 4.5V to 28V power-supply operation.
Figure 5. V
Maxim Integrated
ENABLE
PGOOD
11.8kΩ
R1
Low-Cost, Small, 4.5V to 28V Wide Operating
4.7µF
IN
Range, DC-DC Synchronous Buck Controller
C10
= 4.5V to 28V
EEEFCIE331P
68pF
PANASONIC
C7
V
IN
4.5V TO 28V
0.022µF
4.02kΩ
C9
R3
C1
330µF
68pF
C8
R5
10kΩ
IN
V
PGOOD
LIM
EN
COMP
FB
CC
MAX15026
15.4kΩ
4.02kΩ
R6
R7
GND
DRV
BST
DH
DL
LX
RT
1500pF
C11
27kΩ
R4
Single 4.5V to 28V Supply Operation
C6
2.2µF
R1*
Typical Application Circuits
C3
0.47µF
*R1 IS A SMALL-VALUE RESISTOR TO DECOUPLE
SWITCHING TRANSIENTS CAUSED BY THE
MOSFET DRIVER (2.2Ω).
(
Q1
Q2
ON-SEMICONDUCTOR
NTMFS4835NTIG
(
ON-SEMICONDUCTOR
NTMFS4835NTIG
1.4µH
L1
470µF
MAX15026
C4
COILCRAFT
MSS1278-142ML
SANYO
4C54701
)
)
C5
22µF
V
OUT
19