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PQ50050HPB50 Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters

Part No. PQ50050HPB50
Description  Output voltage trim permits custom voltages and voltage margining
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Maker  SYNQOR [SynQor Worldwide Headquarters]
Homepage  http://www.synqor.com
Logo SYNQOR - SynQor Worldwide Headquarters

PQ50050HPB50 Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters

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Product # PQ50050HPB50
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005487 Rev. A
03/18/10
Page 6
Input:
Output:
Current:
Part No.:
70
75
80
85
90
95
100
0
5
10
15
20
25
30
35
40
45
50
Load Current (A)
44 Vin
48 Vin
52 Vin
0
2
4
6
8
10
12
14
16
18
20
22
24
0
5
10
15
20
25
30
35
40
45
50
Load Current (A)
44 Vin
48 Vin
52 Vin
89
90
91
92
93
94
95
0
100
200
300
400
Air Flow (LFM)
25º C
40º C
55º C
0
10
20
30
40
50
0
25
40
55
70
85
Ambient Air Temperature (oC)
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 (0.0 m/s)
0
1
2
3
4
5
6
7
0
5
10
15
20
25
30
35
40
45
50
55
60
Load Current (A)
44 Vin
48 Vin
52 Vin
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: Maximum output power derating curves (no heatsink) vs. ambient air
temperature for airflow rates of 0 LFM through 400 LFM with air flowing from
input to output (nominal input voltage).
Figure 6: Output voltage vs. load current showing typical current limit curves
and converter shutdown points.
8
9
10
11
12
13
14
0
100
200
300
400
Air Flow (LFM)
25º C
40º C
55º C


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