MAX15062 Datasheet, PDF (5/23 Pages) Maxim Integrated Products – Step-Down DC-DC Converters

MAX15062
60V, 300mA, Ultra-Small, High-Efficiency,
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
100
VIN = 12V
90
VIN = 24V
80
70
60
50
40
30
1
VIN = 36V
VIN = 48V
FIGURE 5 APPLICATION
CIRCUIT, PFM MODE
VOUT = 3.3V
10
100
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
100
toc02b
V_IN = 24V
90 ^VIN ^{= 18V}
80
70
60
50
40
1
V_IN = 60V
V_IN = 48V
V_IN = 36V
FIGURE 8 APPLICATION
CIRCUIT, PFM MODE
V_OUT = 12V
10
100
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
100
90
V_IN = 6V
toc04a
80
70
V_IN = 12V
60
50
V_IN = 24V
40
V_IN = 36V
30
20
10
0
0
V_IN = 48V
FIGURE 7 APPLICATION
CIRCUIT, PWM MODE
V_OUT = 2.5V
50 100 150 200 250 300
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
100
VIN = 12V
90 VIN = 24V
80
70
60
VIN = 36V
50
40
30
1
VIN = 48V
FIGURE 6 APPLICATION
CIRCUIT, PFM MODE
VOUT = 5V
10
100
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
100
90 ^{VIN = 12V}
80
70
VIN = 24V
60
VIN = 36V
50
40
VIN = 48V
30
20
10
0
0
FIGURE 5 APPLICATION
CIRCUIT, PWM MODE
VOUT = 3.3V
50 100 150 200 250 300
LOAD CURRENT (mA)
100
90
80
70
60
50
40
30
20
1
EFFICIENCY vs. LOAD CURRENT
toc02a
V_IN = 12V
V_IN = 6V
V_IN = 48V
V_IN = 24V
V_IN = 36V
FIGURE 7 APPLICATION
CIRCUIT, PFM MODE
V_OUT = 2.5V
10
100
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
100
90
80
70
VIN = 24V ^{VIN = 12V}
60
VIN = 36V
50
40
VIN = 48V
30
20
10
0
0
FIGURE 6 APPLICATION
CIRCUIT, PWM MODE
VOUT = 5V
50 100 150 200 250 300
LOAD CURRENT (mA)
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY VS. LOAD CURRENT
toc04b
V_IN = 18V
V_IN = 24V
V_IN = 36V
V_IN = 48V
V_IN = 60V
FIGURE 8 APPLICATION
CIRCUIT, PWM MODE
V_OUT = 12V
50 100 150 200 250 300
LOAD CURRENT (mA)
3.37
3.36
3.35
3.34
3.33
3.32
3.31
3.30
3.29
0
OUTPUT VOLTAGE
vs. LOAD CURRENT
FIGURE 5 APPLICATION
CIRCUIT, PFM MODE
VIN = 12V, 24V
VIN = 36V
VIN = 48V
50 100 150 200 250 300
LOAD CURRENT (mA)
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