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ZKS-250AE
250W AT switching power supply
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 Input Voltage: |
90~135VAC, nominal 115VAC (90V at 200W, 103V at 250W load) or 180~265VAC, nominal 230VAC; selectable by side switch |
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Input Frequency: |
47~63Hz single phase |
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Input Current: |
6A (RMS) for 115VAC at without AC outlet; 3A (RMS) for 230VAC |
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Inrush Current: |
70A at cold start |
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Switching Frequency: |
30KHz typical |
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Hold Up Time: |
16ms min. |
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Brown Out Voltage: |
95V~max. 60Hz |
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Output Power: |
250W at 45°C |
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Power Up Time: |
< 20ms for +5V output voltage |
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Power Good: |
The power good signal will not be higher than 100~500ms after the +5V output stabilizes at its operating value when the unit is turn on |
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Power Fail: |
The TTL compatible signal will go down at least 1ms before +5V below 4.75V |
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Efficiency: |
80% min. at full load (AC input 230V) |
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Altitude: |
10,000 feet |
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Protection |
Over Voltage: 5.5~6.9V for +5V output, 13.8~15.6V for +12V output
Over Load: Total output from 110% min. to 140% max.; all output equipped w/short circuit protection; the outputs shall shut down if shorted to zero volts output |
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Thermal System: |
Forced air ventilation by DC ball bearing cooling fan; fan status monitoring is optional |
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Temperature Coefficient: |
+0.05% per°C |
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Temperature: |
Operating: 0~50°C
Storage: -10~+70°C |
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Humidity: |
Operating: 20~90% RH
Storage: 10~98% RH |
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Dimensions: |
15.0 x 14.0 x 8.6 cm |
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Safety: |
UL 1950, E147701; TUV EN60950, R9552086 (Rheinland); NORDIC (N, D, S, FI); CE Report, ET84S-04-026 (ETC) |
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| NOTE: A low pass filter shall be added to outputs during measurement. (exp: 0.47uF Tan-cap. + 0.1uF Ceramic-cap.) |
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+V1 |
+V2 |
-V3 |
-V4 |
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DC Output |
+5V |
+12V |
-5V |
-12V |
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Max. Current |
25A |
10A |
0.5A |
0.5A |
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Min. Current |
2.5A |
0.4A |
0A |
0A |
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Load Regulation |
5% |
5% |
10% |
10% |
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Line Regulation |
1% |
1% |
2% |
2% |
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Ripple & Noise |
50mV |
100mV |
150mV |
150mV |
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