Datasheet

MaximIntegrated │ 5
www.maximintegrated.com
MAX15062 60V, 300mA, Ultra-Small, High-Efciency,
Synchronous Step-Down DC-DC Converters
Typical Operating Characteristics
(V
IN
= 24V, V
GND
= 0V, C
IN
= C
VCC
= 1µF, V
EN/UVLO
= 1.5V, T
A
= +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
MAX15062 toc01
LOAD CURRENT (mA)
EFFICIENCY (%)
10
40
50
60
70
80
90
100
30
1 100
V
IN
= 48V
V
IN
= 36V
V
IN
= 24V
V
IN
= 12V
FIGURE 5 APPLICATION
CIRCUIT, PFM MODE
V
OUT
= 3.3V
40
50
60
70
80
90
100
1 10 100
EFFICIENCY (%)
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
toc02b
V
IN
= 48V
V
IN
= 36V
V
IN
= 60V
V
IN
= 24V
V
IN
= 18V
FIGURE 8 APPLICATION
CIRCUIT, PFM MODE
V
OUT
= 12V
0
10
20
30
40
50
60
70
80
90
100
0 50 100 150 200 250 300
EFFICIENCY (%)
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
toc04a
V
IN
= 48V
V
IN
= 36V
V
IN
= 24V
V
IN
= 6V
V
IN
= 12V
FIGURE 7 APPLICATION
CIRCUIT, PWM MODE
V
OUT
= 2.5V
EFFICIENCY vs. LOAD CURRENT
MAX15062 toc02
LOAD CURRENT (mA)
EFFICIENCY (%)
10
40
50
60
70
80
90
100
30
1 100
V
IN
= 48V
V
IN
= 12V
FIGURE 6 APPLICATION
CIRCUIT, PFM MODE
V
OUT
= 5V
V
IN
= 36V
V
IN
= 24V
EFFICIENCY vs. LOAD CURRENT
MAX15062 toc03
LOAD CURRENT (mA)
EFFICIENCY (%)
25020015010050
10
20
30
40
50
60
70
80
90
100
0
0 300
FIGURE 5 APPLICATION
CIRCUIT, PWM MODE
V
OUT
= 3.3V
V
IN
= 12V
V
IN
= 36V
V
IN
= 24V
V
IN
= 48V
0
10
20
30
40
50
60
70
80
90
100
0 50 100 150 200 250 300
EFFICIENCY (%)
LOAD CURRENT (mA)
EFFICIENCY
VS
. LOAD CURRENT
toc04b
V
IN
= 36V
V
IN
= 60V
V
IN
= 18V
V
IN
= 24V
FIGURE 8 APPLICATION
CIRCUIT, PWM MODE
V
OUT
= 12V
V
IN
= 48V
20
30
40
50
60
70
80
90
100
1 10 100
EFFICIENCY (%)
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
toc02a
V
IN
= 48V
V
IN
= 36V
V
IN
= 24V
V
IN
= 6V
V
IN
= 12V
FIGURE 7 APPLICATION
CIRCUIT, PFM MODE
V
OUT
= 2.5V
EFFICIENCY vs. LOAD CURRENT
MAX15062 toc04
LOAD CURRENT (mA)
EFFICIENCY (%)
25020015010050
10
20
30
40
50
60
70
80
90
100
0
0 300
FIGURE 6 APPLICATION
CIRCUIT, PWM MODE
V
OUT
= 5V
V
IN
= 48V
V
IN
= 24V
V
IN
= 36V
V
IN
= 12V
OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX15062 toc05
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
25020050 100 150
3.30
3.31
3.32
3.33
3.34
3.35
3.36
3.37
3.29
0 300
FIGURE 5 APPLICATION
CIRCUIT, PFM MODE
V
IN
= 48V
V
IN
= 36V
V
IN
= 12V, 24V