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參數資料
| 型號： | PQ48025HGA40PRS |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 11/14頁 |
| 文件大小： | 728K |
| 代理商： | PQ48025HGA40PRS |
Product # PQ48120HGA12
Phone 1-888-567-9596
Doc.# 005-2HG412C Rev. B
9/8/04
Page 6
Half
Brick
Performance Curves
48Vin 12Vout 12.5A
0
1
2
3
4
5
6
7
8
9
10
11
12
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 10 amp load current (120W)
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).
Input voltage pre-applied. 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 (500mV/div), Bottom trace: Iout (5A/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 (500mV/div), Bottom trace: Iout (5A/div).
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