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參數(shù)資料
| 型號： | PQ48018HGA40NNS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-8 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 830K |
| 代理商： | PQ48018HGA40NNS-G |
Product # PQ48018HGA40
Phone 1-888-567-9596
Doc.# 005-2HG418C Rev. C
12/17/02
Page 6
Half
Brick
Performance Curves
48Vin 1.8Vout 40A
0
5
10
15
20
25
30
35
40
0
2540
5570
85
Ambient Air Temperature (oC)
Iout
(A)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0 LFM (0 m/s)
Figure 7: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 0 LFM through 400 LFM with air flowing
from input to output (nominal input voltage).
Figure 8: Thermal plot of converter at 40 amp load current with 55°C
air flowing at the rate of 200 LFM. Air is flowing across the converter
from input to output (nominal input voltage).
Figure 9: Turn-on transient at full load (resistive load) (10 ms/div).
Top Trace: Vout (.5V/div)
Bottom Trace: ON/OFF input (5V/div)
Figure 10: Turn-on transient at zero load (10 ms/div).
Top Trace: Vout (.5V/div)
Bottom Trace: ON/OFF input (5V/div)
Figure 11: Output voltage response to step-change in load current (50%-75%-50%
of Iout(max); dI/dt = 0.1A/s). Load cap: 15F, 450 m
ESR tantalum capacitor and
1F ceramic capacitor. Top trace: Vout (100mV/div), Bottom trace: Iout (10A/div).
Figure 12: Output voltage response to step-change in load current (50%-75%-50%
of Iout(max): dI/dt = 5A/s). Load cap: 480F, 15 m
ESR tantalum capacitor and
1F ceramic capacitor. Top trace: Vout (200mV/div), Bottom trace: Iout (10A/div).
Semiconductor
junction
temperature
is
within
1
°C
of
sur
face
temperature
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