SS6639 데이터 시트보기 (PDF) - Silicon Standard Corp.
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SS6639 Datasheet PDF : 12 Pages
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n TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
SS6639
1.2
Start up
1.0
0.8
0.6
Hold on
0.4
0.2
0.0
0
20
40
60
80
100 120 140 160
Output Current (mA)
Fig. 11 SS6639-33 Start-up & Hold-on Voltage (L=33µH)
1.2
Start up
1.0
0.8
0.6
Hold on
0.4
0.2
0.0
0
20
40
60
80
100 120 140 160
Output Current (mA)
Fig. 13 SS6639-33 Start-up & Hold-on Voltage (L=33µH)
6.0
5.5
VOUT =5.0V
5.0
4.5
VOUT = 3.3V
4.0
VOUT = 3.0V
VOUT = 2.7V
3.5
3.0
2.5
2.0
-40
-20
0
20
40
60
80
100
Output Current (mA)
Fig. 15 SS6639 Output Voltage vs. Temperature
1.6
1.4
1.2 Start up
1.0
0.8
Hold on
0.6
0.4
0.2
0.0
0
20
40
60
80
100 120 140 160
Output Current (mA)
Fig. 12 SS6639-50 Start-up & Hold-on Voltage (L=33uH)
1.6
1.4
1.2 Start up
1.0
0.8
Hold on
0.6
0.4
0.2
0.0
0
20
40
60
80
100 120 140 160
Output Current (mA)
Fig. 14 SS6639-50 Start-up & Hold-on Voltage (L=33uH)
135
130
VOUT = 5.0V
125
VOUT = 3.3V
120
VOUT = 3.0V
VOUT = 2.7V
115
110
105
100
95
90
85
-40
-20
0
20
40
60
80
100
Output Current (mA)
Fig. 16 SS6639 Switching Frequency vs.Temperature
Rev.2.01 6/26/2003
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