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ATX DC-DC Converter Series
picoPSU-80-WI-32 Quick Installation Guide
Page 4
Specifications, picoPSU-80-WI-32, DC-DC ATX PSU
Power Ratings (max load, peak load)
Volts (V)
Max Load (A)
Peak Load (A)
Regulation %
5V
6A
7A
+/- 1.5%
5VSB
1.5A
2A
+/- 1.5%
3.3V
6A
7A
+/- 1.5%
-12V
0.1A
0.1A
+/- 5%
12V
4A
6A
+/- 3%
At max load, forced air ventilation is required. For fanless operation and/or V(In)>=24V de-rate
the combined output of the 3.3, 5V and 12V rails by ~20-40% in order to prevent excessive
temperatures. Peak load should not exceed 60 seconds. Combined output power should not
exceed 80watts.
Efficiency Ratings, 3.3 and 5V rail @ 16V input
CH1=5V
Efficiency (%)
CH2=3.3V
Efficiency (%)
1A
86%
1A
85%
3A
94%
3A
93%
4A
95%
4A
94%
6A
92%
6A
91%
Input Requirements: 12-32V un-regulated, min=2A, max=10A
(load dependent).
Max Input Voltage supported by TVS clamp=34V. NOTE: Above
34V, the TVS protection diode will start clamping.
Size: 44.5mm(L) * 25mm(W) * 30mm (H) (1U compliant)
Weight: 70gramms, including cable harness, 35 grams without
cable harness.
DC-Jack: Female, panel mount, 2.5*5.5*10 mm.
Connectors
Molex 39-01-2200, two 3.5” drive power connector, 1 floppy.
Overload protection
Over load protection will be effected when either of the loads (+5V
& +3.3V) exceeds 140% Max Load.
Turn-on Delay
After turning on, at least 10 ms will be needed for the rise of +5VSB
output voltage (measured from 10% to 95%) to reach its peak.
