Product # DQ61212QMA06

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2DQ612E Rev. C

01/11/06

Page 7

T

pecification

Input:

Input:

Outputs:

Outputs:

ower:

ackage:

35-75V

35-75V

+12V & -12V

+12V & -12V

60W

60W

Quarter-brick

Quarter-brick

1 to pin 3. 30% load (1.5A) on -12V output and 70% load (3.5A) on +12V output.

At derating points, +12V output decreases while -12V output remains unchanged.

Figure 18: Thermal plot of converter at 3.5 amp load on +12V output

Air flow across the converter is from pin 1 to pin 3 (nominal Vin).

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

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

perature for airflow rates of 0 to 400 LFM, air flowing from pin 1 to pin

3. Full load (5A) on +12V output and no load on -12V output.

Figure 14: Thermal plot of converter at 5 amp load on +12V output

flow across the converter is from pin 1 to pin 3 (nominal Vin)

1 to pin 3. 50% load (2.5A) on -12V output and 50% load (2.5A) on +12V output.

At derating points, +12V output decreases while -12V output remains unchanged.

0.0

0.5

1.0

1.5

2.0

2.5

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 16: Thermal plot of converter at 2.5 amp load on -12V output

and 2.5 amp load on +12V output with 55°C air flowing at 200 LFM.

Air flow across the converter is from pin 1 to pin 3 (nominal Vin)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

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)

Semiconductor junction temperature is

within 1°C of surface temperature

Semiconductor junction temperature is

within 1°C of surface temperature

Semiconductor junction temperature is

within 1°C of surface temperature