QW075A1 Lineage Power, QW075A1 Datasheet - Page 13

• Manufacturer Part Number: QW075A1
• Description: CONVERTER DC/DC 5V 75W OUT
• Manufacturer: Lineage Power
• Series: QWr
• Type: Isolated with Remote On/Offr

Specifications of QW075A1

• Output: 5V
• Number Of Outputs: 1
• Power (watts): 75W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 8-DIP Module
• 1st Output: 5 VDC @ 15A
• Size / Dimension: 2.28" L x 1.45" W x 0.50" H (57.9mm x 36.8mm x 12.7mm)
• Power (watts) - Rated: 75W
• Operating Temperature: -40°C ~ 100°C
• Efficiency: 84%
• Approvals: CE, CSA, UL, VDE
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -

Data Sheet
April 2008
Thermal Considerations
Heat Transfer with Heat Sinks
Figure 25. Heat Sink Power Derating Curves;
Figure 26. Heat Sink Power Derating Curves;
Lineage Power
20
18
16
14
12
10
20
18
16
14
12
10
8
6
4
2
0
8
6
4
2
0
0
0
Natural Convection; Transverse
Orientation
Natural Convection; Longitudinal
Orientation
10
10
LOCAL AMBIENT TEMPERATURE, T
LOCAL AMBIENT TEMPERATURE, T
20
20
30
30
40
40
50
50
60
60
(continued)
1 IN. HEAT SINK
1/2 IN. HEAT SINK
1/4 IN. HEAT SINK
NO HEAT SINK
1 IN. HEAT SINK
1/2 IN. HEAT SINK
1/4 IN. HEAT SINK
NO HEAT SINK
QW050B1 and QW075B1 Power Modules; dc-dc Converters:
70
70
(continued)
80
80
A
A
(°C)
(°C)
90 100
90 100
8-2380 (F)
8-2381 (F)
36 Vdc to 75 Vdc Input, 12 Vdc Output; 50 W to 75 W
Figure 27. Heat Sink Power Derating Curves;
Figure 28. Heat Sink Power Derating Curves;
20
18
16
14
12
10
20
18
16
14
12
10
8
6
4
2
0
8
6
4
2
0
0
0
1/2 IN. HEAT SINK
1/4 IN. HEAT SINK
1/2 IN. HEAT SINK
1/4 IN. HEAT SINK
1 IN. HEAT SINK
1.0 m/s (200 lfm); Transverse Orientation
1.0 m/s (200 lfm); Longitudinal
Orientation
1 IN. HEAT SINK
10
10
NO HEAT SINK
LOCAL AMBIENT TEMPERATURE, T
NO HEAT SINK
LOCAL AMBIENT TEMPERATURE, T
20
20
30
30
40
40
50
50
60
60
70
70
80
80
A
A
(°C)
(°C)
90 100
90 100
8-2382 (F)
8-2383 (F)
13