PQ60120EKX04 Datasheet, PDF (7/15 Pages) SynQor Worldwide Headquarters – Output voltage trim permits custom voltages and voltage margining

Technical Specification
Input: 35-75V
Output: 12V
Current: 4A
Part No.: PQ60120EKx04
100
95
90
85
80
75
70
35 Vin
48 Vin
65
75 Vin
60
0
1
2
3
4
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
10
87.0
86.5
86.0
85.5
85.0
84.5
25º C
40º C
55º C
84.0
100
200
300
400
Air Flow (LFM)
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).
6
8
5
6
4
2
35 Vin
48 Vin
75 Vin
0
0
1
2
3
4
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
25º C
40º C
55º C
3
100
200
300
400
Air Flow (LFM)
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).
6
5
4
3
2
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
1
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 100 LFM through 400 LFM 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 4 amp load current (48W) with 55°C
air flowing at the rate of 200 LFM. Air is flowing from pin 3 to pin 1 (nominal
input voltage).
Product # PQ60120EKx04
Phone [phone]
www.synqor.com
Doc.# 005-0005190 Rev. A
07/13/09
Page 7