AIC1642 데이터 시트보기 (PDF) - Analog Intergrations
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AIC1642 Datasheet PDF : 14 Pages
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AIC1642
n TYPICAL PERFORMANCE CHARACTERISTICS
Capacitor (C1) : 47 µ F (Tantalum Type)
Diode (D1) : 1N5819 Schottky Type
2.8
2.7
VIN=2.0V
2.6
VIN=1.5V
VIN=1.8V
VIN=1.2V
2.5
2.4
2.3
VIN=0.9V
2.2 0
20
40
60
80 100 120 140 160 180
Output Current (mA)
Fig. 1 AIC1642-27 Load Regulation (L=100µH CD54)
85
80
75
VIN=2.0V
70
VIN=1.8V
VIN=1.5V
65
VIN=1.2V
60
VIN=0.9V
55
0
20
40
60
80 100 120 140 160 180
Output current (mA)
Fig. 2 AIC1642-27 Efficiency (L=100µH CD54)
1.0
0.9
0.8
Start up
0.7
0.6
0.5
0.4
Hold on
0.3
0.2
0.1
0.0
0
2
4
6
8
10
12
14
16
18
Output Current (mA)
Fig. 3 AIC1642-27 Start-up & Hold-on Voltage (L=100µH)
2.78
2.76
2.74
2.72
No Load
2.70
2.68
2.66
2.64
2.62
-40
-20
0
20
40
60
80
100
Temperature (°C)
Fig. 4 AIC1642-27 Output Voltage vs. Temperature
160
140
120
100
80
60
40
20
-40
-20
0
20
40
60
80
100
Temperature (°C)
Fig. 5 AIC1642-27 Switching Frequency vs. Temperature
82
80
78
76
74
72
70
68
66
-40
Fig. 6
-20
0
20
40
60
80
100
Temperature (°C)
AIC1642-27 Maximum Duty Cycle vs. Temperature
4
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