Product # PQ60120EGL07

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2EG612D Rev. B

8/23/07

Page 5

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

35-75 V

35-75 V

12 V

12 V

6.25 A

6.25 A

Eighth-brick

Eighth-brick

T

pecification

64

69

74

79

84

89

94

0

1

2

3

4

5

6

7

Load Current (A)

35 Vin

48 Vin

75 Vin

Figure 1: Efficiency at nominal output voltage vs. load current for min-

87

88

89

90

91

92

100

200

300

400

Air Flow (LFM)

25 C

40 C

55 C

Figure 2: Efficiency at nominal output voltage and 60% rated power vs.

(nominal input voltage).

0

2

4

6

8

10

12

0

1

2

3

4

5

6

7

Load Current (A)

35 Vin

48 Vin

75 Vin

Figure 3: Power dissipation at nominal output voltage vs. load current

2

3

4

5

6

100

200

300

400

Air Flow (LFM)

25 C

40 C

55 C

Figure 4: Power dissipation at nominal output voltage and 60% rated

2

3

4

5

6

7

25

40

55

70

85

Ambient Air Temperature (°C)

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

perature for airflow rates of 100 LFM through 400 LFM with air flow-

ing across the converter from pin 3 to pin 1 (nominal input voltage).

Figure 6: Thermal plot of converter at 6.25 amp load current (75W)

converter from pin 3 to pin 1 (nominal input voltage).