PQ60260HTB10 Datasheet, PDF (5/13 Pages) SynQor Worldwide Headquarters – Half-brick DC/DC Converter

Technical Specification
Input: 35-75 V
Output: 26 V
Current: 9.6 A (250W)
Package: Half-brick
100
95
90
85
80
75
70
36 Vin
48 Vin
65
75 Vin
60
0
1
2
3
4
5
6
7
8
9
10
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
25
20
15
10
36 Vin
5
48 Vin
75 Vin
0
0
1
2
3
4
5
6
7
8
9
10
Load Current (A)
Figure 3: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C.
94
93
92
91
90
89
88
25 C
40 C
87
55 C
86
0
100
200
300
400
500
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 and
nominal input voltage.
16
15
14
13
12
11
25 C
10
40 C
55 C
9
8
0
100
200
300
400
500
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).
10
9
8
7
6
5
4
400 LFM (2.0 m/s)
3
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
2
100 LFM (0.5 m/s)
1
0 LFM (0 m/s)
0
0
25
40
55
70
85
Ambient Air Temperature (oC)
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 pin 3 to pin 1 (nominal input voltage).
27
24
21
18
15
12
9
0
36 V
48 V
75 V
2
4
6
8
10
12
14
Load Current (A)
Figure 6: Output voltage vs. load current showing typical current limit
curves and converter shutdown points.
Product # PQ60260HTB10
Phone [phone]
www.synqor.com
Doc.# 005-2HTB26F Rev. H
10/10/08
Page 5