MAX15108EWP データシートの表示（PDF） - Maxim Integrated
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MAX15108EWP
Maxim Integrated
MAX15108EWP Datasheet PDF : 19 Pages
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High-Efficiency, 8A, Current-Mode
Synchronous Step-Down Switching Regulator
Typical Operating Characteristics
(Circuit of Typical Application Circuit, TA = +25NC, unless otherwise noted.)
EFFICIENCY vs. OUTPUT CURRENT
(VIN = 5V, PWM MODE)
100
90
80
VOUT = 2.5V VOUT = 3.3V
70
VOUT = 1.8V
60
50
VOUT = 0.9V
40
VOUT = 1.2V
30
20 VOUT = 1.5V
10
0
012345678
OUTPUT CURRENT (A)
EFFICIENCY vs. OUTPUT CURRENT
(VIN = 3.3V, PWM MODE)
100
90
80
VOUT = 1.8V VOUT = 2.5V
70
VOUT = 1.5V
60
50
VOUT = 0.9V
40 VOUT = 1.2V
30
20
10
0
012345678
OUTPUT CURRENT (A)
EFFICIENCY vs. OUTPUT CURRENT
(VIN = 5V, SKIP MODE)
100
90
80
VOUT = 2.5V VOUT = 3.3V
70
VOUT = 1.8V
60
50
VOUT = 0.9V
40
VOUT = 1.2V
30
20 VOUT = 1.5V
10
0
012345678
OUTPUT CURRENT (A)
EFFICIENCY vs. OUTPUT CURRENT
(VIN = 3.3V, SKIP MODE)
100
90
80
VOUT = 1.8V VOUT = 2.5V
70
VOUT = 1.5V
60
VOUT = 0.9V
50
40 VOUT = 1.2V
30
20
10
0
012345678
OUTPUT CURRENT (A)
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
1080
1070
1060
1050
1040
1030
1020
1010
1000
990
980
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
(PWM MODE, VOUT = 1.5V)
1.520
1.515
1.510
1.505
ILOAD = 2A
1.500
1.495
1.490
ILOAD = 8A
1.485
1.480
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
(SKIP MODE, VOUT = 1.5V)
1.55
1.54
1.53
1.52
ILOAD = 8A
1.51
1.50
1.49 ILOAD = 2A
1.48
1.47
1.46
1.45
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
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