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参数资料
| 型号： | SQL48T20033-NDABG |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, ONE-EIGHTH BRICK PACKAGE-8 |
| 文件页数： | 2/14页 |
| 文件大小： | 773K |
| 代理商： | SQL48T20033-NDABG |
Rev 0.2, 3-Mar-11
www.power-one.com
Page 10 of 14
SQL48T20033 DC-DC Converter
36-75 VDC Input; 3.3 VDC @ 20A Output
Preliminary Data Sheet
Load Current [Adc]
0
4
8
12
16
20
24
Eff
ic
ie
nc
y
0.65
0.70
0.75
0.80
0.85
0.90
0.95
75 V
65 V
48 V
36 V
Figure 5. Efficiency vs. load current and input voltage
converter mounted vertically with air flowing from
pin 3 to pin 1 at 300 LFM (1.5 m/s) and TA = 25C.
Load Current [Adc]
0
4
8
12
16
20
24
Eff
ic
ie
nc
y
0.70
0.75
0.80
0.85
0.90
0.95
85 C
70 C
55 C
40 C
Figure 6. Efficiency
vs.
load
current
and
ambient
temperature for converter mounted vertically with
Vin = 48 V and air flowing from pin 3 to pin 1 at a
rate of 200 LFM (1.0 m/s).
Load Current [Adc]
0
4
8
12
16
20
24
Pow
e
rDiss
ipa
tion
[W
]
0
2
4
6
8
10
75V
65 V
48 V
36 V
Figure 7. Power dissipation vs. load current and input
voltage converter mounted vertically with air
flowing from pin 3 to pin 1 at 300 LFM (1.5 m/s) and
TA = 25C.
Load Current [Adc]
0
4
8
12
16
20
24
Pow
e
rDiss
ipa
tion
[W
]
0
2
4
6
8
10
85 C
70 C
55C
40 C
Figure 8. Power dissipation vs. load current and ambient
temperature for converter mounted vertically with Vin
= 48 V and air flowing from pin 3 to pin 1 at a rate of
200 LFM (1.0 m/s).
Figure 9. Turn-on waveform at full rated load current (resistive)
with 10,000 uF output capacitor at Vin=48V, triggered
via ON/OFF pin. Top trace: ON/OFF signal (5V/div.).
Bottom trace: Output voltage (1V/div.). Time scale: 2
ms/div.
Figure 10. Turn-on waveform at full rated load current (resistive)
with 10uF tant. + 1uF cer. output capacitor at
Vin=48V, triggered via ON/OFF pin. Top trace:
ON/OFF
signal
(5V/div.).
Bottom
trace:
Output
voltage (1V/div.). Time scale: 2 ms/div.
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PDF描述 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SQL48T20033-NDB0G | 制造商:Power-One 功能描述:- Trays |
| SQL48T20033-NDBBG | 制造商:Power-One 功能描述:- Trays |
| SQLEDS-1-4-26 | 制造商:Richco 功能描述:3mm LED square spacer,SQLEDS-1-4-26 |
| SQLEDS1-4-26 | 功能描述:LED SPACER SQUARE T-1 SER 1/4" RoHS:是 类别:光电元件 >> LED - 垫片，支座 系列:SQLEDS 标准包装:1,000 系列:* |
| SQLEDS-1-6-26 | 制造商:Richco 功能描述:3mm LED square spacer,SQLEDS-1-6-26 |
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