Huntkey V-Power 400 LW-6400HGP User Manual

2.3 Output protection

    If the power supply is latch into shutdown stage (when OCP ,OVP or 

short protection is working ),the power supply shall return to normal 

operation only after the fault has been removed and remote signal must 

reset for a minimum of 1 second (or the AC removed for 10 second) . 

Then, it will turn on again.

2.3.1 Over Voltage Protection (OVP)

    In case of over voltage limits are exceeded, the power supply shall 

provide latch-mode over-voltage protection. 

+5V

50mVp-p

2.2 Output Ripple & Noise

Ripple & Noise

+3.3V

50mVp-p

V-POWER

V-POWER

V-P ower 550

Voltage

Max. load

Min. load

+3.3V

25A

0.3A

+12V1

18A

1.0A

+5V

20A

0.5A

-12V

0.8A

0A

+12V2

18A

1.0A

+5VSB

2.5A

0A

+3.3V&+5V total output not exceed 130W 
Output watt: 450W 
Max. Output Capacity: 550W

2.3.2 Short Circuit Protection (SCP)

    An output short circuit is defined as any output impedance of 

less than 0.1 ohms. The power supply shall shut down and latch 

off for shorting all output to GND.

2.3.3 Over Current Protection (OCP)

    Overload currents are applied to each tested output rail. If the 

current limits are exceeded, the power supply shall shutdown and 

latch off.

    If you have any questions or need any supports, please contact 

your reseller, the nearest Huntkey agent or Huntkey headquarter 

service center. 

+12V1,2,3,4

120mVp-p

-12V

120mVp-p

+5VSB

50mVp-p