XiYuaYE MB3-2649 DDR2 Motherboard For Server  (AMD 320, 1 GB)

Switching frequency: 215KHz - 225KHz (typ. 220KHz) Recommended boost voltage difference ratio: up to 15X (typ. 4X) (Vo/Vin) Voltage display accuracy: ≥0.5% (typ. 1%) (optional) Current display accuracy: 0.3 - 1% (typ. 0.5%) (optional) EN enables the effective voltage to be turned off: 0 - 1V ACC controls the effective voltage at startup: 5 - 28V Vo external control effective voltage: 0 - 1.7V Voltage control signal load capacity: ≥2mA (typ. 5mA) Lout external control effective voltage: 0 - 1.5V Current control signal load capacity: ≥5mA (typ. 10mA) Other Parameters: Fan terminal voltage (optional): 11.5 - 12.0V Fan terminal supply current (optional): ≤0.4A Temperature controlled fan power-on value: 50 - 60â Over temperature protection value: ≤95â Power supply operating temperature: -45 to 85 Main controller operating temperature: ≥-45 Temperature resistance of electrolytic capacitors during operation: 105â Storage temperature: -20 to 85â Cooling method: natural cooling within 10W loss; adding cooling fan within 15W loss or forced air cooling for 20W loss above) Size: 110 x 90 x 21mm Net weight: 170g Optional cooling fan weight & size: 140g; 90 x 60 x 18mm Color: As Shown Material: PCB Package Contents: 1*2000W Step-down Power Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.