SP6138EB Просмотр технического описания (PDF) - Signal Processing Technologies
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SP6138EB Datasheet PDF : 9 Pages
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Efficiency vs Load Current
100
90
80
70
60
Vin=12V
50
Vout=3.3V
40
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Load current (A)
Figure 1. Efficiency vs Load
Vout (100mV/div)
Iout (2A/div)
Vin=12V
Vout=3.3V
Figure 3. Load Step Response: 1->3A
Output Voltage vs Load Current
3.36
3.35
3.34
Vin=12V
Vout=3.3V
3.33
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Load current (A)
Figure 2. Load Regulation
Vout (200mV/div)
Iout (2A/div)
Vin=12V
Vout=3.3V
Figure 4. Load Step Response: 0->3A
Vin
Vout
SoftStart
Iout(2A/div)
Vin
Vout
SoftStart
Iout(2A/div)
Figure 5. Start-Up Response: No Load
Load
Vin
Vout
SoftStart
Vin=12V
Vout=3.3V
Iout(2A/div)
Figure 6. Start-Up Response: 1A
Vin=12V
Vout=3.3V
Vout
SoftStart
Ichoke(10A/div)
Figure 7. Start-Up Response: 3A Load
Figure 8. Output Load Short Circuit
Aug 24-06
SP6138 Evaluation Manual
Page 3 of 9
©2006 Sipex Corporation
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