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Processor Voltage Output Protection
5 Processor Voltage Output
Protection
These are features built into the VRM/EVRD to prevent fire, smoke or damage to
itself, the processor, or other system components.
5.1 Over-Voltage Protection (OVP) - EXPECTED
The OVP circuit monitors the processor core voltage (Vcc) for an over-voltage
condition. If the output is more than 200 mV above the VID level, the VRM/EVRD shuts
off the output.
5.2 Over-Current Protection (OCP) - EXPECTED
The core VRM/EVRD should be capable of withstanding a continuous, abnormally low
resistance on the output without damage or over-stress to the unit. Output current
under this condition will be limited to no more than 120% of the maximum peak rated
output of the voltage regulator at thermal equilibrium under the specified ambient
temperature and airflow.
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