SS6642-27G 查看數據表（PDF） - Silicon Standard Corp.
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SS6642-27G Datasheet PDF : 22 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
SS6642G
160
140
120
100
80
60
40
-40
-20
0
20
40
60
80
100
Temperature (°C)
Fig. 42 SS6642-37 Switching Frequency vs. Temperature
80
78
76
74
72
70
-40
-20
0
20
40
60
80
100
Temperature (°C)
Fig. 43 SS6642-37 Maximum Duty Cycle vs Temperature
4.6
4.4
4.2
4.0
VIN=3.0V
3.8
VIN=1.5V
3.6
VIN=2.0V
3.4
3.2
VIN=0.9V
3.0
VIN=1.2V
2.8
2.6
2.4
2.2
0
50
100
150
200
250
300
350
400
Output Current (mA)
Fig. 44 SS6642-45 Load Regulation (L=100µH)
90
85
80
75
70
65
60
VIN=1.5V
55 VIN=0.9V VIN=1.2V
50
VIN=2.0V
VIN=3.0V
0
50
100 150 200 250 300 350 400
Output Current (mA)
Fig. 45 SS6642-45 Efficiency (L=100µH)
4.6
4.4
4.2
4.0
VIN=3.0V
3.8
VIN=1.5V
3.6
VIN=2.0V
3.4
3.2
VIN=0.9V
3.0
VIN=1.2V
2.8
2.6
2.4
2.2
0
50
100
150
200
250
300
350
400
Output Current (mA)
Fig. 46 SS6642-45 Load Regulation (L=100µH)
1.6
1.4
1.2
Start up
1.0
0.8
Hold on
0.6
0.4
0.2
0.0
0
5
10
15
20
Output Current (mA)
Fig. 47 SS6642-45 Start-up & Hold-On Voltage (L=100µH)
1/15/2005 Rev.2.10
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