1.0 INPUT:
1.1 VOLTAGE
MINIMUM
NOMINAL
MAXIMUM
UNITS
180
230
260
Vrms
1.2 FREQUENCY
47Hz ~ 63Hz
1.3 CURRENT
230Vac/3Amax.
1.4 INRUSH CURRENT
No damage at 250C cold start.
1.5 POWER EFFICIENCY
68% (min.) at full. load, 230Vac input.
1.6 LEAKAGE CURRENT
3.5mA max.
2.0 OUTPUT:
Voltage
+5V
+12V
+3.3V
/
+5Vsb
＊① Max load
19.0A
16.0A
18.0A
/
1.5A
Min load
0.3A
1A
0.5A
/
0.0A
Peak load
--
18.0A
--
/
2A
＊③ Regulation
5%
5%
5%
/
5%
＊② Ripple
50mV
120mV
50mV
/
50mV
＊② Ripple & Noise
100mV
150mV
100mV
/
100mV
＊① The continuous total output power is 250W max.
∙ The combined power of +5V and +3.3V is 105W max.
∙ Peak currents may last up to 17 seconds with not more than one occurrence per minute
＊② Add 0.1uF and 10uF capacitors across output terminal during ripple & noise test.
＊③ LOAD REGULATION TEST TABLE:
Page 3 of 6
PSF-250M4
SWITCHING POWER SUPPLY VERSION 4.0
+5V
+12V
+3.3V
/
+5Vsb
LOAD1
10
12.8
10
/
2
LOAD2
8.5
16
0.5
/
2
LOAD3
19
5
0.5
/
2
LOAD4
19
11.6
0.5
/
2
LOAD5
1
16
13
/
1
LOAD6
9
10
18
/
2
LOAD7
0.3
16
7
/
2
LOAD8
0.3
1
0.5
/
0
2.1 REMOTE ON/OFF
TTL High/PS-OFF; TTL Low/PS-ON VIL=0.8Vmax, IIL=-1.6mAmax @Vin=0.4V
VIH=2.0Vmin @Iin=-200uA, VIH=5.25Vmax @open ckt.
2.2 HOLD-UP TIME
16msec (minimum) at 80% load, at 230AC input.
2.3 POWER GOOD DELAY
100-500 msec.
2.4 POWER FAIL DELAY
1 msec.
2.5 TURN-ON DELAY TIME
2000 msec max.At Nominal Line Full Load.
2.6 TRANSIENT OVERSHOOT
+/- 10% max with 20% load change on all outputs are 50% of the rated.
2.7 RISE TIME
100ms max at full load.
2.8 LOW POWER CONSUMPTION
Input
Load
Low Power consumption
230V /50HZ
0A
＜0.75W（PS-OFF）
Page 4 of 6
PSF-250M4
SWITCHING POWER SUPPLY VERSION 4.0
3.0 PROTECTION:
If the power supply protection latch off all main outputs. ( when OPP, OVP or short protection is working ).Reset by cycling remote on/off control or AC power.
+5Vsb is recovery.
3.1 OVER POWER PROTECTION
Foldback at 110%~150% over peak load
3.2 OVER VOLTAGE PROTECTION
+3.3V output 4.5Vmax.
+5.0V output 7.0 Vmax.
+12.0V output 15.6 Vmax.
3.3 SHORT PROTECTION
All output to GND.
4.0 ENVIRONMENT:
4.1 OPERATING TEMP. 10 oC to +50 oC
4.2 STORAGE TEMP. -20 oC to +70 oC
4.3 OPERATING HUMIDITY 20% to 90%,non-condensing
4.4 STORAGE HUMIDITY 5% to 95%, non-condensing
4.5 OPERATING ALTITUDE 5000m
4.6 STORAGE ALTITUDE 6000m
5.0 HI-POT:(Input/Output isolation)
5.1 PRIMARY TO SECONDARY
1500VAC for 1 minute
5.2 INSULATION RESISTANCE
Primary to earth ground 500Vdc , 50M ohms Min.
Page 5 of 6
PSF-250M4
SWITCHING POWER SUPPLY VERSION 4.0
6.0 CE REQUIREMENTS
6.1 CONDUCTED EMI
1. FCC： Class B
2. CISPR 22： Class B
3. BSMI ： Class B
4. CCC（GB9254-2008）：Class B
6.2 SAFETY STANDARDS
1. CUL (UL 60950)
2. TUV(EN 60950)
3. CB (IEC 60950)
4. CCC GB4943.1-2011 GB 8898-2011 Tropical Altitude up to5000m
6.3 HARMONIC
1. IEC61000-3-2,Class D
2. GB17625.1-2012 GB 13837-2012
7.0 MTBFat 25C(demonstrated)
100KHrs minimum
8.0 DIMENSIONS
MODEL : PSF-250M4
FOR CASE STYLE:
W x L x H =100(mm)x125(mm)x63.5(mm)
