MAX1715 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX1715 Datasheet PDF : 25 Pages
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Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
_____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, components from Table 1, VIN = +15V, SKIP = AGND, TON = unconnected, TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(2.5V, 4A COMPONENTS, SKIP = VCC)
100
80
V+ = +7V
V+ = +12V
60
V+ = +20V
40
20
EFFICIENCY vs. LOAD CURRENT
(5V, 3A COMPONENTS, SKIP = GND)
100
V+ = +7V
90
V+ = +12V
80
V+ = +20V
70
EFFICIENCY vs. LOAD CURRENT
(5V, 3A COMPONENTS, SKIP = VCC)
100
V+ = +7V
80
V+ = +12V
60
V+ = +20V
40
20
0
0.01
0.1
1
10
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(3.3V, 1.5A COMPONENTS, VIN = 5V)
100
SKIP = GND
80
SKIP = VCC
60
40
20
60
0.01
0.1
1
10
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(1.3V, 8A COMPONENTS, SKIP = GND)
100
V+ = +7V
80
V+ = +12V
V+ = +20V
0
0.01
0.1
1
10
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(1.3V, 8A COMPONENTS, SKIP = VCC)
100
V+ = +7V
80
V+ = +12V
60
V+ = +20V
40
20
0
60
0
0.001
0.01
0.1
1
10
0.01
0.1
1
10
0.01
0.1
1
10
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
FREQUENCY vs. LOAD CURRENT
(4A COMPONENTS)
400
OUT1, SKIP = VCC
300
OUT2, SKIP = VCC
200
FREQUENCY vs. SUPPLY VOLTAGE
(4A COMPONENTS, SKIP = VCC)
400
OUT1
300
OUT2
200
OUT1, SKIP = GND
100
OUT2, SKIP = GND
0
0.01
0.1
1
10
LOAD CURRENT (A)
100
0
4
8
12
16
20
24
SUPPLY VOLTAGE (V)
6 _______________________________________________________________________________________
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