PQ60150EKXXX Datasheet, PDF (7/15 Pages) SynQor Worldwide Headquarters – Thermal shutdown protects converter from abnormal environmental conditions

Technical Specification
Input: 35-75V
Output: 15V
Current: 3.3A
Part No.: PQ60150EKx03
100
95
90
85
80
75
70
65
60
0
1
2
Load Current (A)
35 Vin
48 Vin
75 Vin
3
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
12
10
8
6
4
35 Vin
2
48 Vin
75 Vin
0
0
1
2
3
Load Current (A)
Figure 3: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
4
88.0
87.0
86.0
85.0
84.0
83.0
82.0
100
200
300
Air Flow (LFM)
25º C
40º C
55º C
400
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).
7
6
5
4
3
2
1
100
200
300
Air Flow (LFM)
25º C
40º C
55º C
400
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).
3
2
400 LFM (2.0 m/s)
1
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (ºC)
Figure 5: Maximum output power derating curves vs. ambient air temperature
for airflow rates of 100LFM through 400LFM with air flowing from pin 3 to pin 1
(nominal input voltage).
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 6: Thermal plot of converter at 3.3 amp load current (50W) with 55°C
air flowing at the rate of 200LFM. Air is flowing from pin 3 to pin 1 (nominal
input voltage).
Product # PQ60150EKx03
Phone [phone]
www.synqor.com
Doc.# 005-0005265 Rev. A
08/20/09
Page 7