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參數(shù)資料
| 型號： | QME48T40050-PGBLG |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, QUARTER BRICK PACKAGE-8 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 247K |
| 代理商： | QME48T40050-PGBLG |
ZD-00371 Rev 2, 22-May-09
Page 3 of 13
www.power-one.com
QME48T40050 DC-DC Converter Data Sheet
36-75 VDC Input; 5.0 VDC @ 40 A Output
Electrical Specifications (continued)
Conditions: TA = 25 C, 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
33
34
35
VDC
Turn-off Threshold
31
32
33
VDC
Input Voltage Transient
100 ms
100
VDC
Maximum Input Current
40 ADC, 5.0 VDC Out @ 36 VDC In
6.1
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
90
mADC
Input Reflected-Ripple Current
25 MHz bandwidth
14
mAPK-PK
Input Voltage Ripple Rejection
120 Hz
75
dB
Output Characteristics
Output Voltage Set Point (no load)
4.950
5.000
5.050
VDC
Output Regulation
Over Line
±2
±5
mV
Over Load
±2
±5
mV
Output Voltage Range
Over line, load and temperature
2
4.925
5.075
VDC
Output Ripple and Noise – 25 MHz bandwidth Full load + 10 F tantalum + 1 F ceramic
60
120
mVPK-PK
External Load Capacitance
Plus full load (resistive)
10,000
F
Output Current Range
0
40
ADC
Current Limit Inception
Non-latching
42
47
52
ADC
Peak Short-Circuit Current
For non-latching option, Short = 10 m
50
A
RMS Short-Circuit Current
For non-latching option
9
Arms
Dynamic Response
Load Change 50%-75%-50%, di/dt = 0.1 A/s Co = 1 F ceramic
40
mV
di/dt = 5 A/s
Co = 470 F POS + 1 F ceramic
140
mV
Settling Time to 1%
15
s
Efficiency
100% Load
92
%
50% Load
93
%
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