Product # PQ60240HZx25

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-0005987 Rev. D

03/04/14

Page 7

Input:

35-75V

Output:

24V

Current:

25A

Package:

Half-brick

0

10

20

30

40

50

60

70

80

0

5

10

15

20

25

Load Current (A)

35 Vin

48 Vin

75 Vin

60

65

70

75

80

85

90

95

100

0

5

10

15

20

25

Load Current (A)

35 Vin

48 Vin

75 Vin

60

65

70

75

80

85

90

95

100

100

200

300

400

Air Flow (LFM)

25º C

40º C

55º C

Semiconductor junction temperature is

within 1°C of surface temperature

0

10

20

30

40

50

60

70

80

100

200

300

400

Air Flow (LFM)

25º C

40º C

55º C

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 1: Efficiency at nominal output voltage vs. load current for minimum,

nominal, and maximum input voltage at 25°C.

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

rate for ambient air temperatures of 25°C, 40°C, and 55°C (nominal input

voltage).

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

minimum, nominal, and maximum input voltage at 25°C.

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

vs. airflow rate for ambient air temperatures of 25°C, 40°C, and 55°C (nominal

input voltage).

Figure 5: Thermal Derating (max output current vs. ambient air temperature)

for airflow rates of 100 LFM through 400 LFM with air flowing from pin 4 to pin

1 (nominal input voltage).

Figure 6: Thermal Image of converter at 13.9 amp load current (333.6W)

with 55°C air flowing at the rate of 200 LFM. Air is flowing from pin 4 to pin 1

(nominal input voltage).

Technical Figures

Technical Figures