SP6136_06 Datasheet, PDF (3/9 Pages) Sipex Corporation – Evaluation Board Manual

Efficiency vs Load Current
100
90
80
70
Vin=12V
Vout=3.3V
60
50
40
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
Load current (A)
Figure 1. Efficiency vs Load
Vout (100mV/div)
Iout(5A/div)
Vin=12V
Vout=3.3V
3.320
3.315
Output Voltage vs Load Current
Vin=12V
Vout=3.3V
3.310
3.305
3.300
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
Load current (A)
Figure 2. Load Regulation
Vout (200mV/div)
Vin=12V
Vout=3.3V
Iout (5A/div)
Figure 3. Load Step Response: 3.5A->7A
Vin
Figure 4. Load Step Response: 0->7A
Vin
Vout
SoftStart
Vin=12V
Vout=3.3V
Iout (5A/div)
Figure 5. Start-Up Response: No Load
Vout
Vin=12V
SoftStart Vout=3.3V
Iout(5A/div)
Figure 6. Start-Up Response: 3A Load
Vin
Vout
SoftStart
Iout(5A/div)
Vin=12V
Vout=3.3V
Vout
SoftStart
Ichoke(25A/div)
Vin=12V
Vout=3.3V
Figure 7. Start-Up Response: 7A Load
Figure 8. Output Load Short Circuit
Rev 5/01/06
SP6136 Evaluation Manual
Page 3 of 9
Copyright © 2006 Sipex Corporation