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参数资料
| 型号： | QM48T14120-NBCP |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 168 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | QUARTER BRICK, PACKAGE-8 |
| 文件页数： | 14/20页 |
| 文件大小： | 306K |
| 代理商： | QM48T14120-NBCP |
ZD-00376 Rev. 1.1.1, 19-Feb-10
Page 3 of 20
www.power-one.com
QM48T/S14120 DC-DC Converter Data Sheet
36-75 VDC Input; 12 VDC @ 14 A Output
Electrical Specifications for Single Converter with Non-Paralleling Option
Conditions: TA = 25 C, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Maximum Input Current
14 ADC @ 36 VDC In
5.15
ADC
Output Voltage Set Point (no load)
11.88
12.00
12.12
VDC
Output Regulation Over Line
±4
±10
mV
Output Regulation Over Load
±4
±10
mV
Output Voltage Range
Over line, load and temperature2
11.8
12.2
VDC
Over line, load and temperature3
11.0
12.2
VDC
Output Ripple and Noise – 25 MHz bandwidth Full load + 10 F tantalum + 1 F ceramic
100
140
mVPK-PK
External Load Capacitance
Plus full load (resistive)
2,200
F
Output Current Range
0
14
ADC
Current Limit Inception
Non-latching
15.0
16.0
17.0
ADC
Peak Short-Circuit Current
Non-latching, Short = 10 m
19
22
A
RMS Short-Circuit Current
Non-latching
3.5
Arms
Dynamic Response
Load Change 50%-75%-50%, di/dt = 0.1 A/s Co = 100 F POS + 1 F ceramic
240
mV
Settling Time to 1%
50
s
Efficiency
100% Load
92
%
50% Load
94
%
Electrical specifications for Single Converter with Paralleling Option
Conditions: TA = 25 C, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Maximum Input Current
14 ADC @ 36 VDC In
4.75
ADC
Output Voltage Set Point (no load)
12.15
12.27
12.44
VDC
Output Regulation Over Line
±4
±10
mV
Output Regulation Over Load
0.5
0.6
V
Output Voltage Range
Over line, load and temperature2
11.5
12.5
VDC
Over line, load and temperature3
11.0
12.5
VDC
Output Ripple and Noise – 25 MHz bandwidth Full load + 10 F tantalum + 1 F ceramic
100
140
mVPK-PK
External Load Capacitance
Plus full load (resistive)
2,200
F
Output Current Range
0
14
ADC
Current Limit Inception
Non-latching
15.0
16.0
17.0
ADC
Peak Short-Circuit Current
Non-latching, Short = 10 m
19
22
A
RMS Short-Circuit Current
Non-latching
3.5
Arms
Dynamic Response
Load Change 50%-75%-50%, di/dt = 0.1 A/s Co = 100 F POS + 1 F ceramic
240
mV
Settling Time to 1%
50
s
Efficiency
100% Load
92
%
50% Load
94
%
Additional Notes:
2 For Vin ≥ 40 V, IO = 14 A, -40 °C ≤ Tamb ≤ 85 °C.
3 For Vin ≥ 36 V, IO = 14 A, -40 °C ≤ Tamb ≤ 85 °C.
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