Intel SC5299UP SC5299UPNA Manuel D’Utilisation

limits. The values are measured at the output of the power supply’s connectors. The voltage 
never exceeds the maximum levels when measured at the power pins of the power supply 
connector during any single point of fail. The voltage will not trip any lower than the minimum 
levels when measured at the power pins of the power supply connector.  

Exception: +5VSB rail will recover after its over voltage condition occurs. 

Output Voltage 

MIN (V) 

MAX (V) 

+3.3V 3.71 

4.2 

+5V 5.62 

6.5 

+12V1,2 13.4 

15.0 

-12V -13.5  -15.0 

+5VSB 5.7 

6.5 

 

2.1.6.3 

Over Temperature Protection (OTP) 

The power supply is protected against over temperature conditions caused by loss of fan 
cooling or excessive ambient temperature. In an OTP condition the PSU will shut down. When 
the power supply temperature drops to within specified limits, the power supply will restore 
power automatically, while the 5VSB always remains on. The OTP circuit has a built-in 
hysteresis such that the power supply will not oscillate on and off due to a temperature 
recovering condition. The OTP trip level has a minimum of 4

  C of ambient temperature 

hysteresis.  

2.1.6.4 

PSON# Input Signal 

The PSON

#

 signal is required to remotely turn on/off the power supply. PSON

#

 is an active low 

signal that turns on the +3.3V, +5V, +12V, and -12V power rails. When this signal is not pulled 
low by the system, or left open, the outputs (except the +5VSB) turn off. This signal is pulled to 
a standby voltage by a pull-up resistor internal to the power supply.