MAX15062 Datasheet, PDF (21/23 Pages) Maxim Integrated Products – Step-Down DC-DC Converters

MAX15062
60V, 300mA, Ultra-Small, High-Efficiency,
Synchronous Step-Down DC-DC Converters
VIN
4.5V TO
60V ^CIN
1µF
CVCC
1µF
VIN
LX
EN/UVLO
GND
MAX15062A
VCC
RESET
L1
33µH
MODE
VOUT
COUT
10µF
VOUT
3.3V,
300mA
MODE = GND FOR PWM
MODE = OPEN FOR PFM
L1: COILCRAFT LPS4018-333ML
COUT: MURATA 10µF/X7R/6.3V/1206 GRM31CR70J106K
CIN: MURATA 1µF/X7R/100V/1206 GRM31CR72A105K
Figure 5. 3.3V, 300mA Step-Down Regulator
VIN
6V TO
60V ^CIN
1µF
CVCC
1µF
VIN
LX
EN/UVLO
GND
MAX15062B
VCC
RESET
L1
47µH
MODE
VOUT
COUT
10µF
VOUT
5V,
300mA
MODE = GND FOR PWM
MODE = OPEN FOR PFM
L1: COILCRAFT LPS4018-473ML
COUT: MURATA 10µF/X7R/6.3V/1206 GRM31CR70J106K
CIN: MURATA 1µF/X7R/100V/1206 GRM31CR72A105K
Figure 6. 5V, 300mA Step-Down Regulator
VIN
4.5V TO
60V ^CIN
1µF
CVCC
1µF
VIN
LX
EN/UVLO
GND
MAX15062C
VCC
FB
L1
22µH
MODE
RESET
COUT
22µF
VOUT
2.5V,
300mA
R1
133kΩ
R2
75kΩ
MODE = GND FOR PWM
MODE = OPEN FOR PFM
L1: COILCRAFT LPS4018-223ML
COUT: MURATA 22µF/X7R/6.3V/1206 (GRM31CR70J226K)
CIN: MURATA 1µF/X7R/100V/1206 (GRM31CR72A105K)
Figure 7. 2.5V, 300mA Step-Down Regulator
VIN
14V TO
60V ^CIN
1µF
CVCC
1µF
L1
100µH
VIN
LX
EN/UVLO
GND
MAX15062C
VCC
FB
MODE
RESET
COUT
4.7µF
VOUT
12V,
300mA
R1
499kΩ
R2
40.2kΩ
MODE = GND FOR PWM
MODE = OPEN FOR PFM
L1: Wurth 74408943101
COUT: MURATA 4.7µF/X7R/16V/1206 (GRM31CR71C475K)
CIN: MURATA 1µF/X7R/100V/1206 (GRM31CR72A105K)
Figure 8. 12V, 300mA Step-Down Regulator
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