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)
5.5
5.0
VIN=3.0V
4.5
VIN=2.0V
4.0
3.5
VIN=1.5V
3.0
VIN=1.2V
2.5
VIN=0.9
2.0
1.5
0
50
100
150
200
250
300
350
400
Output Current (mA)
Fig. 25 AIC1642-50 Load Regulation ( L=100µH CD54)
90
85
80
75
70
65
60
VIN=0.9V
55
50
VIN=2.0V
VIN=1.5V
VIN=1.2
VIN=3.0V
45
0
50
100
150
200
250
300
350
400
Output Current (mA)
Fig. 26 AIC1642-50 Efficiency (L=100µH, CD54)
1.8
1.6
1.4
1.2
Start up
1.0
0.8
0.6
0.4
Hold on
0.2
0.0
0
2
4
6
8
10 12 14 16 18 20
Output Current (mA)
Fig. 27 AIC1642-50 Start-up & Hold-on Voltage (L=100µH)
5.3
5.2
5.1
No Load
5.0
4.9
4.8
4.7
4.6
4.5
4.4
-40
-20
Fig. 28
0
20
40
60
80
100
Temperature (°C)
AIC1642-50 Output Voltage vs. Temperature
150
140
130
120
110
100
90
80
70
60
-40
-20
0
20
40
60
80
100
Temperature (°C)
Fig. 29 AIC1642-50 Switching Frequency vs. Temperature
82
80
78
76
74
72
70
68
66
64
-40
Fig. 30
-20
0
20
40
60
80
100
Temperature (°C)
AIC1642-50 Maximum Duty Cycle vs. Temperature
8
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