Product # PQ60012SMx25

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-0005219 Rev. C

06/28/11

Page 8

Technical Specification

Input:

Output:

Current:

48V

1.2V

25A

0

5

10

15

20

25

30

25

40

55

70

85

Ambient Air Temperature(°C)

400LFM(2.0m/s)

300LFM(1.5m/s)

200LFM(1.0m/s)

100LFM(0.5 m/S)

Figure 7: Maximum output power derating curves vs. ambient air temperature

for airflow rates of 100 LFM through 400 LFM with air flowing lenghtwise

from input to output (nominal input voltage).

Figure 8: Thermal plot of converter at 25 amp load current (30W) with 55°C

air flowing at the rate of 200 LFM. Air is flowing across the converter from

input to output (nominal input voltage).

Figure 9: Turn-on transient at full load (resistive load) (10 ms/div). Input

voltage pre-applied. Top Trace: Vout (1V/div). Bottom Trace: ON/OFF

input(5V/div)

Figure 10: Turn-on transient at zero load (10 ms/div). Top Trace: Vout (1V/

div). Bottom Trace: ON/OFF input (5V/div)

Figure 11: Output voltage response to step-change in load current (50%-

75%-50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 100µF electrolytic output

capacitance. Top trace: Vout (100mV/div). Bottom trace: Iout (10A/div).

Figure 12: Output voltage response to step-change in load current (50%-

75%-50% of Iout(max): dI/dt = 2A/µs). Load cap: 330µF electrolytic output

capacitance. Top trace: Vout (200mV/div). Bottom trace: Iout (10A/div).