

| Item | Part Name | Model Name | Power (W) | Input Voltage (Vdc) |
Output Voltage (Vdc) |
Output Current (A) |
Efficiency | Size (mm) | Cooling system | Weight (Kg) | Certificate |
| 1 | 3KW DCDC CONVERTER |
ATD3K-380S27-M | 3000 | 200~500 | 27.5 | 110 | ≥93% | 200x120x50 | N/A | 1.8 | GB/T |
| 2 | ATD3K-540S27-M | 400~750 | |||||||||
| 3 | ATD3K-640S27-M | 400~900 |
| Description | Technical specifications | Remark | |||
| Operating temperature | -40~85℃ | ||||
| Rated output power | 3KW(continuous operation at full load) | Peak power 3.6KW | |||
| Input voltage range | 200~500/400~750/400~900VDC | ||||
| Output rated voltage | 27.5VDC | Adjustable voltage | |||
| Rated output current | 110A | ||||
| Auxiliary power VCC | 9-32VDC | Rated voltage Full load | |||
| Efficiency | ≥95% | The bandwidth of the oscilloscope should be 20MHz, and the test terminal should be connected with 10uF electrolytic capacitor + 0.1uF disk capacitor | |||
| Output voltage ripple | ≤500mVP-P | ||||
| Protection characteristics | Input over and under voltage, output over and under voltage, input anti-reverse connection, output over current and short circuit protection, over temperature self-recovery | ||||
| Over temperature protection | When the temperature of the bottom plate reaches 85 ° C, the output will be derated. If the temperature exceeds 100 ° C, shut down; if the temperature is lower than 95 ° C, it can recover automatically. | ||||
| Dielectric strength | Input to output | 3000VDC/1min 1mA max | |||
| Input to the outer casing | 3000VDC/1min 1mA max | ||||
| Insulation resistance | Input to output | ≥20MΩ | |||
| Input to the outer casing | ≥20MΩ | ||||
| Battery compatibility | Radiation emission | GB/T 18655-2010 Class 3 | |||
| Conducted emission | GB/T 18655-2010 Class 3 | ||||
| Static immunity | GB/T 19951-2005 | Air discharge:15KV,Contact discharge 8KV | |||
| Radiation immunity | GB/T 18655-2010 Class 3 | ||||