pq30033ega20 SynQor Worldwide Headquarters, pq30033ega20 Datasheet - Page 5

• Manufacturer Part Number: pq30033ega20
• Description: Eighth-brick Dc/dc Converter
• Manufacturer: SynQor Worldwide Headquarters

Product # PQ30033EGA20
T
T
echnical S
echnical S
Figure 1: Efficiency at nominal output voltage vs. load current for min-
imum, nominal, and maximum input voltage at 25
Figure 3: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25
Figure 5: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 100 LFM through 400 LFM with air flow-
ing across the converter from pin 3 to pin 1 (24V input voltage).
22
20
18
16
14
12
10
15
14
13
12
11
10
8
6
4
2
0
9
8
7
6
5
4
3
2
1
0
100
95
90
85
80
75
70
65
60
25
0
0
1
2
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
3
4
4
40
5
pecification
pecification
6
Ambient Air Temperature (°C)
7
Phone [phone]
Load Current (A)
8
Load Current (A)
8
9 10 11 12 13 14 15 16 17 18 19 20
55
12
°
C.
70
16
°
C.
18 Vin
24 Vin
48 Vin
60 Vin
18 Vin
24 Vin
48 Vin
60 Vin
www.synqor.com
20
85
Figure 2: Efficiency at nominal output voltage and 60% rated power vs.
airflow rate for ambient air temperatures of 25
(nominal input voltage).
Figure 4: Power dissipation at nominal output voltage and 60% rated
power vs. airflow rate for ambient air temperatures of 25
55
Figure 6: Thermal plot of converter at 17.7 amp load current with 55
air flowing at the rate of 200 LFM. Air is flowing across the converter
sideways from pin 3 to pin 1 (24V input voltage).
°
C (nominal input voltage).
7.0
6.0
5.0
4.0
3.0
87.0
86.8
86.6
86.4
86.2
86.0
100
100
Doc.# 005-2EG33MU Rev. A
Semiconductor junction temperature is
200
within 1°C of surface temperature
P
P
200
Current:
Current:
ackage:
ackage:
Output:
Output:
Air Flow (LFM)
Air Flow (LFM)
3/18/08
°
300
3.3 V
20 A
Eighth-brick
300
C, 40
3.3 V
20 A
Eighth-brick
°
C, and 55
°
C, 40
25 ºC
40 ºC
55 ºC
25 ºC
40 ºC
55 ºC
°
°
C, and
C
400
400
Page 5
°
C