参数资料
型号: QME48T40050-NGA0
厂商: Power-One
文件页数: 3/13页
文件大小: 0K
描述: DC/DC QUARTER BRICK 5V OUT
标准包装: 4
系列: *
QME48T40050 DC-DC Converter Data Sheet
36-75 VDC Input; 5.0 VDC @ 40 A Output
Electrical Specifications (continued)
Conditions: T A = 25 oC, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Input Characteristics
Operating Input Voltage Range
36
48
75
VDC
Input Under Voltage Lockout
Non-latching
Turn-on Threshold
Turn-off Threshold
33
31
34
32
35
33
VDC
VDC
Input Voltage Transient
Maximum Input Current
Input Stand-by Current
Input No Load Current (0 load on the output)
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
100 ms
40 ADC, 5.0 VDC Out @ 36 VDC In
Vin = 48 V, converter disabled
Vin = 48 V, converter enabled
25 MHz bandwidth
120 Hz
3
90
14
75
100
6.1
VDC
ADC
mADC
mADC
mA PK-PK
dB
Output Characteristics
Output Voltage Set Point (no load)
4.950
5.000
5.050
VDC
Output Regulation
Over Line
Over Load
±2
±2
±5
±5
mV
mV
Over line, load and temperature
Output Voltage Range
2
4.925
5.075
VDC
Output Ripple and Noise – 25 MHz bandwidth Full load + 10 μF tantalum + 1 μF ceramic
60
120
mV PK-PK
External Load Capacitance
Output Current Range
Plus full load (resistive)
0
10,000
40
μF
ADC
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
Non-latching
For non-latching option, Short = 10 m ?
For non-latching option
42
47
50
9
52
ADC
A
Arms
Dynamic Response
Load Change 50%-75%-50%, di/dt = 0.1 A/μs
di/dt = 5 A/μs
Settling Time to 1%
Co = 1 μF ceramic
Co = 470 μF POS + 1 μF ceramic
40
140
15
mV
mV
μs
Efficiency
100% Load
50% Load
92
93
%
%
ZD-00371 Rev 2, 22-May-09
Page 3 of 13
www.power-one.com
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