参数资料
| 型号： | QME48T20120-PGB0 |
| 厂商： | Power-One |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | DC/DC QUARTER BRICK 12V OUT |
| 标准包装： | 100 |
| 系列： | * |
QME48T20120 DC-DC Converter Data Sheet
36-75 VDC Input; 12 VDC @ 20 A Output
Data Sheet
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
20 ADC, 12 VDC Out @ 36 VDC In
Vin = 48 V, converter disabled
Vin = 48 V, converter enabled
25 MHz bandwidth
120 Hz
3
69
20
65
100
7.5
VDC
ADC
mADC
mADC
mA PK-PK
dB
Output Characteristics
Output Voltage Set Point (no load)
11.88
12.00
12.12
VDC
Output Regulation
Over Line
Over Load
±4
±4
±10
±10
mV
mV
Output Voltage Range
Over line, load and temperature 2
11.76
12.24
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
2,200
20
μF
ADC
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
Non-latching
Non-latching, Short = 10 m ?
Non-latching
22
24
50
5
26.6
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
50
120
30
mV
mV
μs
Efficiency
100% Load
50% Load
ZD-01742 Rev 3.4, 21-Jan-10
www.power-one.com
93
94
%
%
Page 3 of 14
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| QME48T20120-PGB0G | 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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