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200W DC/DC POWER SUPPLY FOR AUTOMOBILE
1 Function DescriptionDC/DC ATX power supply for automobile application, 12VDC input, +5V,+12V,+3.3V,-12V,+5VSB and PG (power good signal) outputs.
2 Operation EnvironmentItem | Unit | Minimum | Typical | Maximum | Test Conditon |
Temperature | centi-degree | -20 | 50 | ||
RH | %RH | 40 | 90 | No Condensation |
Item | Unit | Minimum | Typical | Maximum | Test Conditon |
DC INPUT | Vdc | 12 | |||
Input Current | A | 20 |
Output | Min. Load | Max. Load | Peak Load | Output Voltage range | Ripple(pk-pk)(rated load,20MHz limit)* |
+5V | 0.5A | 6A | 8A | 4.75~5.25V | 50mV |
+12V | 0.3A | 12A | 11.40~12.60V | 120mV | |
+3.3V | 0.5A | 6A | 8A | 3.14~3.55V | 50mV |
-12V | 0A | 0.05A | -11.0~-13.2V | 120mV | |
+5VSB | 0.1A | 2.0A |
| 4.75~5.25V | 100mV |
*: Need to add 47μF tantalum capacitor and 0.1μF high frequency capacitor on test point when testing.
3.2.2 Others Output CharacteristicsItem | Unit | Minimum | Typical | Maximum | Test Conditon |
Output Power | W | 200 | DC output power | ||
Efficiency | % | 94 | Rated load | ||
|
|
| |||
Turn on Overshoot | % |
|
| 10 |
|
Rise Time | ms |
| 20 |
| Output voltage up from 0% to 95%,rated load |
Hold up Time | ms |
| 2 |
| Rated load |
Item | Request | Standard | Judgement Grade |
Conducted interference | CLASS B, 3dB margin | EN55022 | Ensure system pass the CLASS B and have 3dB margin |
Radiation interference | CLASS B, 3dB margin | EN55022 | Ensure system pass the CLASS B and have 3dB margin |
12V 200W MINI DC-DC ITX POWER SUPPLY