MAX15035 Datasheet, PDF (6/27 Pages) Maxim Integrated Products – 15A Step-Down Regulator with Internal Switches

15A Step-Down Regulator with Internal Switches
Typical Operating Characteristics
(MAX15035 Circuit of Figure 1, V_IN = 12V, V_DD = 5V, SKIP = GND, R_TON = 200kΩ, T_A = +25°C, unless otherwise noted.)
100
90
80
70
60
50
40
30
20
0.01
1.5V OUTPUT EFFICIENCY
vs. LOAD CURRENT
7V
12V
20V
SKIP MODE
PWM MODE
0.1
1
10
100
LOAD CURRENT (A)
1.5V OUTPUT EFFICIENCY
vs. LOAD CURRENT
100
SKIP MODE
90
80
70
PWM MODE
60
50
ULTRASONIC
40
MODE
30
20
0.01
0.1
1
10
100
LOAD CURRENT (A)
1.5V OUTPUT VOLTAGE
vs. LOAD CURRENT
1.515
ULTRASONIC
MODE
1.505
SKIP MODE
1.495
PWM MODE
1.485
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
LOAD CURRENT (A)
1.05V OUTPUT EFFICIENCY
vs. LOAD CURRENT
100
7V
90
80
12V
70
12V
60
20V
20V
50
40
30
20
0.01
SKIP MODE
PWM MODE
0.1
1
10
100
LOAD CURRENT (A)
100
90
80
70
60
50
40
30
20
0.01
3.3V OUTPUT EFFICIENCY
vs. LOAD CURRENT
20V
12V
7V
SKIP MODE
PWM MODE
0.1
1
10
100
LOAD CURRENT (A)
1.05V OUTPUT EFFICIENCY
vs. LOAD CURRENT
100
SKIP MODE
90
80
70
PWM MODE
60
50
40
ULTRASONIC
MODE
30
20
0.01
0.1
1
10
100
LOAD CURRENT (A)
3.3V OUTPUT EFFICIENCY
vs. LOAD CURRENT
100
SKIP MODE
90
80
PWM MODE
70
60
50
40
ULTRASONIC
MODE
30
20
0.01
0.1
1
10
100
LOAD CURRENT (A)
1.05V OUTPUT VOLTAGE
vs. LOAD CURRENT
1.06
ULTRASONIC
MODE
1.05
SKIP MODE
PWM MODE
1.04
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
LOAD CURRENT (A)
3.3V OUTPUT VOLTAGE
vs. LOAD CURRENT
3.380
3.365
3.350
3.335
3.320
ULTRASONIC
MODE
3.305
3.290
3.275
3.260
PWM MODE
SKIP MODE
3.245
3.230
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
LOAD CURRENT (A)
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