參數(shù)資料
型號(hào): SQE48T40025-NDB0
廠商: POWER-ONE 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, ONE-EIGHTH BRICK PACKAGE-8
文件頁(yè)數(shù): 2/13頁(yè)
文件大?。?/td> 764K
代理商: SQE48T40025-NDB0
SQE48T40025 DC-DC Converter
36-75 VDC Input; 2.5 VDC @ 40 A Output
Preliminary Data Sheet
The input reflected-ripple current waveforms are
obtained using the test setup shown in Figure 11. The
corresponding waveforms are shown in Figure 12 and
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
Load
Cur
rent
[A
dc]
0
5
10
15
20
25
30
35
40
45
500 LFM (2.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
NC - 30 LFM (0.15 m/s)
Figure 1. Available load current vs. ambient air temperature and airflow rates for SQE48T40025 converter mounted vertically with air
flowing from pin 3 to pin 1, MOSFET temperature
≤ 120 °C, Vin = 48 V.
Note: NC – Natural convection
Load Current [Adc]
0
8
16
24
32
40
48
E
ffici
ency
0.75
0.80
0.85
0.90
0.95
72 V
48 V
36 V
Figure 2. Efficiency vs. load current and input voltage for
SQE48T40025 converter mounted vertically with air flowing
from pin 3 to pin 1 at 300 LFM (1.5 m/s) and Ta=25
°C.
Load Current [Adc]
0
8
16
24
32
40
48
Effi
ci
enc
y
0.75
0.80
0.85
0.90
0.95
70 C
55 C
40 C
Figure 3. Efficiency vs. load current and ambient temperature
for SQE48T40025 converter mounted vertically with Vin=48V
and air flowing from pin 3 to pin 1 at 200LFM (1.0m/s).
ZD-01723 Rev 1.1
www.power-one.com
Page 10 of 13
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