MAX652MJA データシートの表示（PDF） - Maxim Integrated
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MAX652MJA
Maxim Integrated
MAX652MJA Datasheet PDF : 16 Pages
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5V/3.3V/3V or Adjustable, High-Efficiency,
Low IQ, Step-Down DC-DC Controllers
__________________________________________Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
SHUTDOWN CURRENT
SUPPLY CURRENT vs. TEMPERATURE
vs. TEMPERATURE
80
4.0
MAX649 MAXIMUM LOAD CURRENT
vs. SUPPLY VOLTAGE
2500
78
V+ = 16.5V
76
74
V+ = 10V
72
70
V+ = 4V
68
66
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
3.5
3.0
V+ = 16.5V
2.5
2.0
1.5
V+ = 8V
1.0
0.5
V+ = 4V
0
-60 -40 -20
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
2000
1500
1000
500
VOUT = 5V
CIRCUIT OF FIGURE 1
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 1415
INPUT VOLTAGE (V)
MAX649
EFFICIENCY vs. LOAD CURRENT
100
90
80
70
TOP TO BOTTOM:
VIN = 6V
60
VIN = 8V
50
VIN = 10V
VIN = 12V
40
VIN = 15V
30
20
10 VOUT = 5V
0
100µ
1m
10m 100m
1
LOAD CURRENT (A)
SWITCH ON-TIME
vs. TEMPERATURE
17
V+ = 5V
16
15
-60 -40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
MAX651
EFFICIENCY vs. LOAD CURRENT
100
90
80
70
TOP TO BOTTOM:
VIN = 4.3V
60
VIN = 5V
50
VIN = 8V
VIN = 10V
40
VIN = 12V
30
VIN = 15V
20
10 VOUT = 3.3V
0
100µ
1m
10m
100m
1
LOAD CURRENT (A)
SWITCH OFF-TIME
vs. TEMPERATURE
2.5
V+ = 5V
2.0
1.5
-60 -40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
MAX652
EFFICIENCY vs. LOAD CURRENT
100
90
80
TOP TO BOTTOM:
70
VIN = 4.3V
60
VIN = 5V
50
VIN = 8V
VIN = 10V
40
VIN = 12V
VIN = 15V
30
20
10 VOUT = 3V
0
100µ
1m
10m
100m
1
LOAD CURRENT (A)
SWITCH ON-TIME/OFF-TIME RATIO
vs. TEMPERATURE
8.0
V+ = 5V
7.8
7.6
7.4
7.2
7.0
6.8
6.6
6.4
6.2
6.0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
4 _______________________________________________________________________________________
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