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参数资料
| 型号： | QM48T40012-NBAU |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 14/38页 |
| 文件大小： | 616K |
| 代理商： | QM48T40012-NBAU |
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REV. JAN 10, 2006
Page 21 of 38
www.power-one.com
QM48T40 DC-DC Converter Data Sheet
36-75 VDC Input; 1.0-3.3 VDC @ 40 A Output
Electrical Specifications: QM48T40018 (1.8 Volts Out)
Conditions: TA = 25 C, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, Vout = 1.8 VDC unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Input Characteristics
Maximum Input Current
40 ADC, 1.8 VDC Out @ 36 VDC In
2.4
ADC
Input Stand-by Current
Vin = 48 V, converter disabled
3
mADC
Input No Load Current (0 load on the output)
Vin = 48 V, converter enabled
38
mADC
Input Reflected-Ripple Current
25 MHz bandwidth
10
mAPK-PK
Input Voltage Ripple Rejection
120 Hz
TBD
dB
Output Characteristics
Output Voltage Set Point (no load)
-40 C to 85 C
1.782
1.800
1.818
VDC
Output Regulation
Over Line
±2
±4
mV
Over Load
±2
±5
mV
Output Voltage Range
Over line, load and temperature
1.773
1.827
VDC
Output Ripple and Noise – 25 MHz bandwidth
Full load + 10 F tantalum + 1 F ceramic
30
50
mVPK-PK
External Load Capacitance
Plus full load (resistive)
40,000
F
Output Current Range
0
40
ADC
Current Limit Inception
Non-latching
42
47
52
ADC
Peak Short-Circuit Current
Non-latching, Short = 10 m
50
60
A
RMS Short-Circuit Current
Non-latching
10
15
Arms
Dynamic Response
Load Change 25% of Iout Max, di/dt = 1 A/s
Co = 470 F tantalum + 1 F ceramic
120
mV
Setting Time to 1%
120
s
Efficiency
100% Load
87
%
50% Load
89.5
%
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
L
o
ad
Curr
ent
[
A
dc]
0
10
20
30
40
50
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)
Fig. 1.8V.1: Available load current vs. ambient air temperature
and airflow rates for QM48T40018 converter with B height pins
mounted vertically with air flowing from pin 3 to pin 1, MOSFET
temperature
≤ 120 °C, Vin = 48 V.
Note: NC – Natural convection
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
L
o
ad
Curr
ent
[
A
dc]
0
10
20
30
40
50
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)
Fig. 1.8V.2: Available load current vs. ambient air temperature
and airflow rates for QM48T40018 converter with B height pins
mounted horizontally with air flowing from pin 3 to pin 1,
MOSFET temperature
≤ 120 °C, Vin = 48 V.
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PDF描述 |
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| QM48T40012-NDCT0 | 1-OUTPUT 132 W DC-DC REG PWR SUPPLY MODULE |
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| QM48T40018-PAA0 | 1-OUTPUT 132 W DC-DC REG PWR SUPPLY MODULE |
| QM48T40010-NDA0G | 1-OUTPUT 132 W DC-DC REG PWR SUPPLY MODULE |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| QM48T40012-NBAUA | 制造商:Power-One 功能描述: |
| QM48T40012-NBB0 | 制造商:Power-One 功能描述: |
| QM48T40012-NBB0G | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 1.2V 40A 132W - Bulk |
| QM48T40012-NBBP | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 1.2V 40A 132W - Bulk |
| QM48T40012-NBBPG | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 1.2V 40A 132W - Bulk |
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