SilverStone SST-ST75F-GS (V3.1) [8/12] Manual st75f g p177 st65f g p178 st55f g p179 v1 6

In primary circuit of the power supply , a protected fuse is inserted. Only internal fault of the power

supply will cause the fuse blown. Any overload or short circuit at DC output will keep from fuse brown

or fire hazard.

4.1 Input Protection

4.2.1 Under voltage protection

The +5V/+12V/+3.3V DC output are protected against the under voltage condition . range value

can't be exceed 3.3~3.7V at 5V terminal and 8.5~9.5V at 12V, 2.0~2.4V at 3.3V.

4.2.2 Over Voltage Protection

The +12V/ DC output are protected against the over voltage condition . Maximum value can't

be over 15.5V at 12V.

4.2.3 Over Power Protection

The power supply can be used electronic circuit to limit the output current against exceeding

60% of surge output power or protected against excessive power delivery since short circuit

of any output or over total power at high line.

4.2.4 Short Circuit Protection

Short circuit placed on +5V,+12V,+3.3V,-12V will latch off. +5VSB will auto-recovery.

4.2.5 Over-Current Protection

Current protection should be designed to limit the current to operate within safe operating

conditions.Over current protection schemes where only the voltage output that experiences the

over current event is shut off may be adequate to maintain safe operation of the power supply

and the system; however, damage to the motherboard or other system components may occur.

The recommended over current protection scheme is for the power supply to latch into the

shutdown state. The setting of over current protection for each output rail is as following.

4.2.6 Over-Temperature Protection

This power supply includes an over-temperature protection sensor, which can trip and shut down

the power supply at 110 C

4.2 Output Protection

4. Protection