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PQ50090QGB11NNS Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters

Part No. PQ50090QGB11NNS
Description  Input under-voltage lockout disables converter at low input voltage
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Manufacturer  SYNQOR [SynQor Worldwide Headquarters]
Direct Link  http://www.synqor.com
Logo SYNQOR - SynQor Worldwide Headquarters

PQ50090QGB11NNS Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters

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Technical Specification
Product # PQ50090QGB11
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005485 Rev. A
03/29/10
Page 6
Input:48V
Output:9.0V
Current:11A
Part No.:PQ50090QGB11
0
2
4
6
8
10
12
25
40
55
70
85
Ambient Air Temperature(°C)
400LFM(2.0m/s)
300LFM(1.5m/s)
200LFM(1.0m/s)
100LFM(0.5 m/S)
Semiconductor junction temperature is
within 1°C of surface temperature
PQ50090QGB11 Datasheet Figures
60
65
70
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9
10
11
Load Current (A)
44 Vin
48 Vin
52 Vin
0
2
4
6
8
10
12
14
0
1
2
3
4
5
6
7
8
9
10
11
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: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
Figure 3: Maximum output power-derating curve vs. ambient air temperature
for airflow rates of 100LFM through 400LFM with air flowing from pin 3 to pin
1 (nominal input voltage).
Figure 4: Thermal plot of converter at 11A load current (99W) with 70°C
baseplate temperature. Air is flowing across the converter from pin 3 to pin 1
(nominal input voltage).
Figure 5: Turn-on transient at full load (resistive load) (4 ms/div).
Ch 1: Vout (2 V/div)
Ch 2: ON/OFF input (5 V/div)
Figure 6: Turn-on transient at zero load (4ms/div).
Ch 1: Vout (2V/div)
Ch 2: ON/OFF input (5V/div)


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