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参数资料
| 型号： | QM48T25050-NDA0 |
| 厂商： | Power-One |
| 文件页数： | 11/13页 |
| 文件大小： | 0K |
| 描述： | DC/DC QTR BRICK 125W 5V T/H |
| 标准包装： | 50 |
| 系列： | * |
QM48T/S25050 DC-DC Converter Data Sheet
36-75 VDC Input; 5 VDC @ 25 A Quarter-Brick
i S
10 μ H
i C
QmaX
Series
source
inductance
V source
33 μ F
ESR <1 ?
electrolytic
capacitor
TM
DC/DC
Converter
1 μ F
ceramic
capacitor
Vout
Fig. 13: Test setup for measuring input reflected ripple currents, i c and i s .
Fig. 14: Input reflected ripple current, i s (10 mA/div), measured
through 10 μ H at the source at full rated load current and Vin =
48 V. Refer to Fig. 13 for test setup. Time scale: 1 μ s/div.
6.0
5.0
4.0
3.0
2.0
1.0
0
Fig. 15: Input reflected ripple current, i c (200 mA/div),
measured at input terminals at full rated load current and Vin =
48 V. Refer to Fig. 13 for test setup. Time scale: 1 μ s/div.
0
10
20
30
40
Iout [Adc]
Fig. 16: Output voltage vs. load current showing current limit
point and converter shutdown point. Input voltage has almost
no effect on current limit characteristic.
Fig. 17: Load current (top trace, 20 A/div, 20 ms/div) into a 10
m ? short circuit during restart, at Vin = 48 V. Bottom trace (20
A/div, 1 ms/div) is an expansion of the on-time portion of the
top trace.
V4.0 29-March-11
Page 11 of 13
www.power-one.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| QM48T25050-NDA0G | 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| QM48T25050-NDAP | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 5V 25A 8PIN QUARTER-BRICK - Bulk |
| QM48T25050-NDAPG | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 5V 25A - Bulk |
| QM48T25050-NDB0 | 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| QM48T25050-NDB0G | 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
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