SS6642-27G 데이터 시트보기 (PDF) - Silicon Standard Corp.
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SS6642-27G Datasheet PDF : 22 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
SS6642G
85
1.0
80
0.9
Start up
0.8
75
0.7
70
0.6
0.5
Hold on
65
0.4
VIN=2.0V
60
VIN=1.8V
0.3
55
VIN=0.9V
VIN=1.2V
VIN=1.5V
50
0
25
50
75 100 125 150 175 200
Output Current (mA)
Fig. 18 SS6642-30 Efficiency (L=47µH CD54)
0.2
0.1
0.0
225
0
2
4
6
8
10
12
14
16
18
20
Output Current (mA)
Fig. 19 SS6642-30 Start-up & Hold-on Voltage (L=100µH CD54)
1.0
0.9
Start up
0.8
0.7
0.6
0.5
0.4
Hold on
0.3
0.2
0.1
0.0
0
Fig. 20
2
4
6
8
10 12 14 16 18 20
Output Current (mA)
SS6642-30 Start-up & Hold-on Voltage (L=47µH CD54)
3.10
3.08
3.06
3.04
No Load
3.02
3.00
2.98
2.96
2.94
2.92
2.90
-40
-20
0
20
40
60
80
100
Temperature (°C)
Fig. 21 SS6642-30 Output Voltage vs. Temperature
160
140
120
100
80
60
40
-40
Fig. 22
-20
0
20
40
60
80
100
Temperature (°C)
SS6642-30 Switching Frequency vs. Temperature
80
78
76
74
72
70
-40
Fig. 23
-20
0
20
40
60
80
100
Temperature (°C)
SS6642-30 Maximum Duty Cycle vs. Temperature
1/15/2005 Rev.2.10
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