Product # PQ60280FTA26

Phone 1-888-567-9596

Doc.# 005-2FT628P Rev. C

5/21/08

Page 9

T

pecification

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

36-75 V

36-75 V

28 V

28 V

26 A

26 A

Full-brick

Full-brick

-25

-20

-15

-10

-5

0

5

10

15

10

100

1,000

10,000

100,000

Hz

35 Vin

48 Vin

75 Vin

Figure 19: Magnitude of incremental reverse transmission (RT =

iin/iout) for minimum, nominal, and maximum input voltage at full rated

power.

0.1

1

10

100

10

100

1,000

10,000

100,000

Hz

35 Vin

48 Vin

75 Vin

Figure 20: Magnitude of incremental input impedance (Zin = vin/iin)

for minimum, nominal, and maximum input voltage at full rated power.

0

5

10

15

20

25

30

35

-5

0

5

10

15

20

25

30

35

Load Current (A)

Figure 22: Output voltage vs. load current showing typical current limit

curves and converter shutdown points.

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0

100

200

300

400

Airflow (LFM)

plated, no-heatsink configuration).

0

3

6

9

12

15

18

21

24

27

0

25

40

55

70

85

Ambient Air Temperature (ºC)

400 LFM (2.0 m/s)

300 LFM (1.5 m/s)

200 LFM (1.0 m/s)

100 LFM (0.5 m/s)

Figure 21: Baseplated unit maximum output power derating curves vs. ambient

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

from input to output (nominal input voltage). No derating if baseplate is <100ºC.