SilverStone SST-OP1000-P [7/12] Protection

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3.6 +5VSB (Standby)

The +5VSB output is always on (+5V Standby) when AC power is applied and power

switch is turned on.

The +5VSB line is capable of delivering at a maximum of 4A for PC board circuit to

operate.

4. Protection

Protection circuits inside the power supply shall cause only the power supply’s main

outputs to shutdown. If the power supply latches off due to a protection circuit tripping,

either a AC cycle OFF for 15 sec, or PSON# cycle HIGH for 1 sec must be able to restart

the power supply.

4.1 Over Current Protection

This power supply shall have current limit to prevent the +5V, +3.3V, and +12V outputs

from exceeding the values shown in table 14. The current limit shall not trip under

maximum continuous load or peak loading as described in Table 5. The power supply

shall latch off if the current exceeds the limit. The latch shall be cleared by toggling

the PSON# signal or by cycling the AC power. The power supply shall not be damaged

from repeated power cycling in this condition. The -12V and +5VSB outputs shall be

shorted circuit protected so that no damage can occur to the power supply.

Table 14 –Over Current protection

4.2 Over Voltage Protection

The power supply shall shut down in a latch off mode when the output voltage exceeds

the over voltage limit shown in Table 4.

Table 15 –Over Voltage protection