THERMAL CURVES
H48SA12025(Standard) | Output Current vs. Ambient Temperature and Air Velocity |
Output Current (A) | @Vin = 48V (Either Orientation) |
25 |
|
|
|
|
|
|
|
|
|
| 600LFM |
|
|
|
|
|
|
|
|
|
|
|
| 500LFM |
|
20 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Natural |
|
|
|
|
|
|
|
|
|
|
|
| Convection |
|
|
|
|
|
|
|
|
|
|
15 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 100LFM |
|
|
|
|
|
|
|
| |
10 |
|
|
| 200LFM |
|
|
|
|
|
|
|
|
|
|
|
|
| 300LFM |
|
|
|
|
|
|
|
5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 400LFM |
|
|
|
|
|
|
0 |
|
|
|
|
|
|
|
|
|
|
|
|
25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 |
|
|
|
|
|
|
|
|
| (℃) | Ambient Temperature |
| |
|
|
|
|
|
|
|
|
|
|
|
| |
Figure 24: Temperature measurement location for openframe version - The allowed maximum hot spot temperature is defined at 122℃.
Figure 26: Output current vs. ambient temperature and air velocity @ Vin=48V, Vout=12V(Openframe Version, Either Orientation).
H48SA12025(standard) Output Current vs. Ambient Temperature and Air Velocity
Output Current (A) | @Vin = 48V (Either Orientation,With Heatspreader) |
25 |
|
|
|
|
|
|
|
|
|
|
|
|
20 |
|
|
|
|
|
|
|
|
|
|
|
|
| Natural |
|
|
|
|
|
|
|
|
|
|
|
| Convection |
|
|
|
|
|
|
|
|
|
| |
15 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 100LFM |
|
|
|
|
|
|
|
|
|
|
|
|
| 200LFM |
|
|
|
|
|
|
|
| |
10 |
|
|
| 300LFM |
|
|
|
|
|
|
| |
|
|
|
|
| 400LFM |
|
|
|
|
|
|
|
5 |
|
|
|
| 500LFM |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
| 600LFM |
|
|
|
|
|
|
0 |
|
|
|
|
|
|
|
|
|
|
|
|
25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 |
|
|
|
|
|
|
|
|
| (℃) | Ambient Temperature |
| |
|
|
|
|
|
|
|
|
|
|
|
| |
Figure 25: Temperature measurement location for heatspreader version - The allowed maximum hot spot temperature is defined at 109℃.
Figure 27: Output current vs. ambient temperature and air velocity @ Vin=48V, Vout=12V(Heatspreader version, Either Orientation).
11
DS_H48SA12025_05052008
