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5. START STABILITY
6. ENVIRONMENTS
5.1 No Load Start
When power is applied to ST50F-ES & ST40F-ES with no load connected or
under minimum load connected, neither damage to power supply nor hazards
to users will occur.
5.2 Cold Start
6.1 Temperature and Humidity
6.2 Altitude
6.1.1 Operating
The power supply shall operate properly when first applied at normal input voltage
and or so maximum load after 4 hours storage in 0 C environment.
The power supply can operate normally at any altitude between 0 to 10000 feet.
Temperature
0 to 40 C
Relative Humidity
20 to 90 %
o
6.1.2 Storage
Temperature
-40 to 70 C
Relative Humidity
20 to 95 % noncondensing
o
o
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.
4.2.3 Over Power Protection
Short circuit placed on +5V,+12V,+3.3V,-12V will latch off. +5VSB will auto-recovery.
4.2.4 Short Circuit Protection
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8. PRODUCT SAFETY
9. POWER GOOD SIGNAL
8.1 Safety Requirement
TUV, UL/c-UL,CB
8.2 Leakage Current
The AC leakage current is less than 3.5mA when the power supply connect
to 253Vac/50Hz.
8.3 Insulation Resistance
The insulation resistance should be not less than 30M ohm after applying of
500VDC for 1 minute.
8.4 Dielectric Voltage Withstand
The power supply shall withstand for 1 minute without breakdown the application
of a 60Hz 1500V AC voltage applied between both input line and chassis (20mA
DC cut-off current). Main transformer shall similarly withstand 3000Vac applied
between both primary and secondary windings for a minimum of one minute.
A TTL compatible signal for the purpose of initiating an orderly start-up procedure
under normal input operating conditions. During power up, this signal is asserted
( low ) until +5V is under regulation and AC reaches min. line specification range.
After all voltage are going appropriate level, the system may have a turn on delay
of 100mS, but no greater than 500mS. During power off the signal should go to low
level 5V is out of regulation. The low level is 0 to 0.8V and high level is 4.75
to 5.25V. The " Power Good "signal can drive up to 6 standard TTL loads.
Strider Essential Series
7. CONDUCTED EMI
FCC, CE
6.3 Vibration and Shock
Sweep and resonance search for each of X,Y,Z, axis at the sweep.
RATE of 1/OCTAVE/Min.
Frequency
5-55-10 Hz
Amplitude
0.35 mm
Duration
30 minutes
