QUK240S9R041Z Datasheet, PDF (10/14 Pages) Lineage Power Corporation – 36 - 55Vdc input; 9Vdc Output; 240W

Data Sheet
June 17, 2009
QUK240 Series Power Modules; DC-DC converters
36 – 55Vdc input; 9Vdc Output; 240W
260
240
220
200
3.0 m/s (600 ft./min.)
180
2.0 m/s (400 ft./min.)
160
1.0 m/s (200 ft./min.)
140
120
100
20
30
40
50
60
70
80
90
LOCAL AMBIENT TEMPERATURE, TA (°C)
Figure 15. Output Power Derating for QUK240S9R0 in
the Transverse Orientation with no baseplate; Airflow
Direction From Vin(-) to Vin(+); Vin = 38V.
260
240
220
200
3.0 m/s (600 ft./min.)
180
2.0 m/s (400 ft./min.)
160
1.0 m/s (200 ft./min.)
140
120
100
20
30
40
50
60
70
80
90
LOCAL AMBIENT TEMPERATURE, TA (°C)
Figure 16. Output Power Derating for QUK240S9R0 in
the Transverse Orientation with baseplate; Airflow
Direction From Vin(-) to Vin(+); Vin = 48V
2 6 0 .0
2 4 0 .0
2 2 0 .0
2 0 0 .0
18 0 .0
16 0 .0
14 0 .0
3.0 m/s (600 ft./ min.)
2.0 m/s (400 ft./ min.)
1.0 m/s (200 ft./ min.)
12 0 .0
10 0 .0
20
30
40
50
60
70
80
90
LOCAL AMBIENT TEMPERATURE, TA (°C)
Figure 17. Output Power Derating for QUK240S9R0
in the Transverse Orientation with baseplate and
multi directional fin 0.5 inch heatsink; Airflow
Direction From Vin(-) to Vin(+); Vin = 38V
2 6 0 .0
2 4 0 .0
2 2 0 .0
2 0 0 .0
18 0 .0
16 0 .0
14 0 .0
3.0 m/ s (600 f t ./ min.)
2.0 m/ s (400 f t ./ min.)
1.0 m/ s (200 f t ./ min.)
12 0 .0
10 0 .0
20
30
40
50
60
70
80
90
LOCAL AMBIENT TEMPERATURE, TA (°C)
Figure 18. Output Power Derating for QUK240S9R0
in the Transverse Orientation with baseplate and
multi directional fin 0.5 inch heatsink; Airflow
Direction From Vin(-) to Vin(+); Vin = 48V
LINEAGE POWER
10