ELECTRICAL CHARACTERISTICS CURVES
| 95 |
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| 90 |
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| 75Vin |
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(%) | 85 |
| 48Vin |
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EFFICIENCY | 80 |
| 36Vin |
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75 |
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| 70 |
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| 65 |
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| 60 |
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| 5 | 10 | 15 | 20 | 25 |
OUTPUT CURRENT (A)
| 30 |
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| 25 |
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(W) |
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| 75Vin |
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DISSIPATION | 20 | 48Vin |
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15 | 36Vin |
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POWER | 10 |
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| 5 |
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| 0 |
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| 0 | 5 | 10 | 15 | 20 | 25 |
OUTPUT CURRENT (A)
Figure 5: Efficiency vs. output voltage for minimum, nominal, and maximum input voltage at 25°C, Vout=13.2V.
Figure 6: Power dissipation vs. output voltage for minimum, nominal, and maximum input voltage at 25°C, Vout=13.2V.
| 12 |
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| 10 |
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(V) |
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Voltage | 8 |
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6 |
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| 0 | |
Output |
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4 |
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| 2 |
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| 0 |
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| 0 |
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| 30.0 | 31.3 | 33.6 | 35.0 | 40.0 | 45.0 | 50.0 | 55.0 | 60.0 | 65.0 | 70.0 | 75.0 |
Output Current (A)
Figure 7: Typical input characteristics at room temperature.
Figure 8: Turn-on transient at full rated load current, 4ms/div:
Top Trace: Vout, 5V/div; Bottom Trace: ON/OFF input, 5V/div.
4
DS_H48SA12025_05052008
