MAX770 查看數據表（PDF） - Maxim Integrated
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MAX770 Datasheet PDF : 20 Pages
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5V/12V/15V or Adjustable, High-Efficiency,
Low IQ, Step-Up DC-DC Controllers
____________________________Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
REFERENCE OUTPUT RESISTANCE vs.
TEMPERATURE
250
200
10µA
150
100
50µA
100µA
50
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
REFERENCE vs. TEMPERATURE
1.506
1.504
1.502
1.500
1.498
1.496
1.494
1.492
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
MAXIMUM SWITCH ON-TIME vs.
TEMPERATURE
16.5
16.0
15.5
-60 -30
0 30 60 90 120 150
TEMPERATURE (°C)
SHUTDOWN CURRENT vs. TEMPERATURE
4.0
3.5
3.0
2.5
2.0
V+ = 15V
1.5
V+ = 8V
1.0
0.5
V+ = 4V
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
MINIMUM SWITCH OFF-TIME vs.
TEMPERATURE
2.30
MAXIMUM SWITCH ON-TIME/
MINIMUM SWITCH OFF-TIME RATIO
vs. TEMPERATURE
8.0
7.5
2.25
7.0
6.5
2.20
-60 -30
0 30 60 90 120 150
TEMPERATURE (°C)
6.0
-60 -30
0 30 60 90 120 150
TEMPERATURE (°C)
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