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參數(shù)資料
| 型號(hào)： | PQ48033QGA25PVS |
| 廠商： | SYNQOR INC |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 10/13頁(yè) |
| 文件大?。?/td> | 752K |
| 代理商： | PQ48033QGA25PVS |
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Product # PQ60025QGA25
Phone 1-888-567-9596
Doc.# 005-2QG625D Rev. B
6/26/02
Page 6
Performance Curves
48Vin 2.5Vout 25A
0
5
10
15
20
25
0
25
4055
7085
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)
Quarter
Brick
Figure 7: Maximum output power-derating curves vs. ambient air tem-
perature for airflow rates of 0 LFM through 400 LFM with air flowing
lengthwise from output to input (nominal input voltage).
Figure 8: Thermal plot of converter at 24 amp load current with 55°C
air flowing at the rate of 200 LFM. Air is flowing across the converter
from output to input (nominal input voltage).
Figure 9: Turn-on transient at full load (resistive load) (2 ms/div).
Ch 1: Vout (1V/div)
Ch 2: ON/OFF input (5V/div)
Figure 10: Turn-on transient at zero load (2 ms/div).
Ch 1: Vout (1V/div)
Ch 2: 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: 10F, 100 m
ESR tantalum capacitor
and 1F ceramic capacitor. Ch 1: Vout (100mV/div), Ch 2: 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: 470F, 30 m
ESR tantalum
capacitor and 1F ceramic cap. Ch 1: Vout (100mV/div), Ch 2: Iout (5A/div).
Semiconductor junction temperature is
within 1
°C of surface temperature
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