AIC1642 데이터 시트보기 (PDF) - Analog Intergrations
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AIC1642 Datasheet PDF : 14 Pages
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AIC1642
n TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
160
140
120
100
80
60
40
20
0-40
-20
0
20
40
60
80
100
Temperature (°C)
Fig. 13 AIC1642-30 Switching Frequency vs. Temperature
82
80
78
76
74
72
70
68
66
-40
Fig. 14
-20
0
20
40
60
80
100
Temperature (°C)
AIC1642-30 Maximum Duty Cycle vs. Temperature
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0.0
-40
-20
0
20
40
60
80
100
Temperature (°C)
Fig. 15 AIC1642-30 SW On Resistance vs. Temperature
52
48
44
40
36
32
28
24
20-40
-20
0
20
40
60
80
100
Temperature (°C)
Fig. 16 AIC1642-30 Supply Current vs. Temperature
3.4
3.3
3.2
VIN=2.0V
3.1
VIN=1.5V
VIN=1.8
3.0
2.9
VIN=1.2
2.8
2.7
2.6
2.5
2.4
VIN=0.9
2.3
0
25
50
75
100
125
150
175
200
Output Current (mA)
Fig. 17 AIC1642-33 Load Regulation (L=100µH CD54)
90
85
80
VIN=2.0V
75
70
VIN=1.8V
65
VIN=1.5V
60
VIN=1.2V
55
VIN=0.9V
50
0
25
50
75
100
125
150
175
200
Output Current (mA)
Fig. 18 AIC1642-33 Efficiency (L=100µH CD54)
6
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