Product # PQ60050HTA33

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2HT650F Rev. A

8/16/07

Page 6

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

35-75 V

35-75 V

5.0 V

5.0 V

33 A

33 A

Half-brick

Half-brick

T

pecification

0

5

10

15

20

25

30

0

25

40

55

70

85

Ambient Air Temperature (

400 LFM (2.0 m/s)

300 LFM (1.5 m/s)

200 LFM (1.0 m/s)

100 LFM (0.5 m/s)

0 LFM (0 m/s)

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

perature for airflow rates of 0 LFM through 400 LFM with air flowing

from output to input (nominal input voltage).

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

from output to input (nominal input voltage).

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

Input voltage pre-applied. Top Trace: Vout (2V/div). Bottom Trace:

ON/OFF input (5V/div).

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

(2V/div). Bottom Trace: ON/OFF input (5V/div).

50% of Iout(max); dI/dt = 0.1A/µ s). Load cap: 15µ F, 450 m

and 1µ F ceramic cap. Top trace: Vout (200mV/div), Bottom trace: Iout (10A/div).

50% of Iout(max): dI/dt = 5A/µ s). Load cap: 480µ F, 15 m

and 1µ F ceramic cap. Top trace: Vout (200mV/div), Bottom trace: Iout (10A/div).