Typical operating characteristics (continued) – Rainbow Electronics MAX1715 User Manual
Page 6
MAX1715
Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
6
_______________________________________________________________________________________
_____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, components from Table 1, V
IN
= +15V, SKIP = AGND, TON = unconnected, T
A
= +25°C, unless otherwise noted.)
0
0.01
10
1
0.1
60
80
100
40
20
MAX1715-9
LOAD CURRENT (A)
EFFICIENCY (%)
EFFICIENCY vs. LOAD CURRENT
(1.3V, 8A COMPONENTS, SKIP = V
CC
)
V+ = +7V
V+ = +20V
V+ = +12V
0
0.01
10
1
0.1
300
400
200
100
MAX1715-10
LOAD CURRENT (A)
FREQUENCY (kHz)
FREQUENCY vs. LOAD CURRENT
(4A COMPONENTS)
OUT1, SKIP = V
CC
OUT2, SKIP = V
CC
OUT1, SKIP = GND
OUT2, SKIP = GND
400
300
200
100
0
4
12
8
16
20
24
MAX1715-11
SUPPLY VOLTAGE (V)
FREQUENCY (kHz)
FREQUENCY vs. SUPPLY VOLTAGE
(4A COMPONENTS, SKIP = V
CC
)
OUT1
OUT2
100
80
60
40
20
0
0.001
0.1
1
0.01
10
MAX1715-07
LOAD CURRENT (A)
EFFICIENCY (%)
EFFICIENCY vs. LOAD CURRENT
(3.3V, 1.5A COMPONENTS, V
IN
= 5V)
SKIP = V
CC
SKIP = GND
60
0.01
10
1
0.1
80
100
MAX1715-08
LOAD CURRENT (A)
EFFICIENCY (%)
EFFICIENCY vs. LOAD CURRENT
(1.3V, 8A COMPONENTS, SKIP = GND)
V+ = +7V
V+ = +20V
V+ = +12V
0
0.01
10
1
0.1
60
80
100
40
20
MAX1715-04
LOAD CURRENT (A)
EFFICIENCY (%)
EFFICIENCY vs. LOAD CURRENT
(2.5V, 4A COMPONENTS, SKIP = V
CC
)
V+ = +7V
V+ = +20V
V+ = +12V
60
0.01
10
1
0.1
90
100
80
70
MAX1715-05
LOAD CURRENT (A)
EFFICIENCY (%)
EFFICIENCY vs. LOAD CURRENT
(5V, 3A COMPONENTS, SKIP = GND)
V+ = +7V
V+ = +20V
V+ = +12V
0
0.01
10
1
0.1
60
80
100
40
20
MAX1715-06
LOAD CURRENT (A)
EFFICIENCY (%)
EFFICIENCY vs. LOAD CURRENT
(5V, 3A COMPONENTS, SKIP = V
CC
)
V+ = +7V
V+ = +20V
V+ = +12V