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参数资料
| 型号： | QM48T25050-NDA0 |
| 厂商： | Power-One |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | DC/DC QTR BRICK 125W 5V T/H |
| 标准包装： | 50 |
| 系列： | * |
QM48T/S25050 DC-DC Converter Data Sheet
36-75 VDC Input; 5 VDC @ 25 A Quarter-Brick
Electrical Specifications (QM48T25050 and QM48S25050)
Conditions: T A = 25 oC, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, unless otherwise specified.
PARAMETER
NOTES
MIN
TYP
MAX
UNITS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Operating Ambient Temperature
Storage Temperature
Continuous
0
-40
-55
80
85
125
VDC
°C
°C
INPUT CHARACTERISTICS
Operating Input Voltage Range
36
48
75
VDC
Input Under Voltage Lockout Turn-on Threshold
Input Under Voltage Lockout Turn-off Threshold
Non-latching
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
OUTPUT CHARACTERISTICS
External Load Capacitance
Output Current Range
100 ms
25 ADC, 5 VDC Out @ 36 VDC In
Vin = 48 V, converter disabled
Vin = 48 V, converter enabled
25 MHz bandwidth
120 Hz
Plus full load (resistive)
0
2.65
52
12.5
TBD
100
3.9
10,000
25
VDC
ADC
mADC
mADC
mA PK-PK
dB
μF
ADC
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
Output Voltage Set Point (no load)
Output Regulation Over Line
Output Regulation Over Load
Non-latching
Non-latching. Short = 10 mΩ.
Non-latching
26.25
4.950
30
31
5.000
±2
±2
33
50
6.5
5.050
±5
±5
ADC
A
Arms
VDC
mV
mV
Output Voltage Range
Output Ripple and Noise - 25 MHz bandwidth
Over line, load and temperature 2
Full load + 10 μF tantalum + 1 μF ceramic
4.925
30
5.075
50
VDC
mV PK-PK
ISOLATION CHARACTERISTICS
I/O Isolation
Isolation Capacitance
Isolation Resistance
FEATURE CHARACTERISTICS
Switching Frequency
2000
10
1.4
340
VDC
nF
M ?
kHz
Output Voltage Trim Range 1
Remote Sense Compensation 1
Industry-std. equations
Percent of V OUT ( NOM )
-20
+10
+10
%
%
Output Over-Voltage Protection
Auto-Restart Period
Non-latching
Applies to all protection features
117
128
100
140
%
ms
Turn-On Time
ON/OFF Control (Positive Logic)
4
ms
Converter Off
Converter On
-20
2.4
0.8
20
VDC
VDC
ON/OFF Control (Negative Logic)
Converter Off
Converter On
DYNAMIC RESPONSE
Load Change 25% of Io ut Max, di/dt = 1 A/μ s
Setting Time to 1%
Co = 470 μF tantalum + 1 μF ceramic
2.4
-20
120
40
20
0.8
VDC
VDC
mV
μs
EFFICIENCY
100% Load
50% Load
89.5
90.5
%
%
Notes: 1. Vout can be increased up to 10% via the sense leads or up to 10% via the trim function, however total output voltage trim from all
sources should not exceed 10% of V OUT ( NOM ), in order to insure specified operation of over-voltage protection circuitry.
2. -40oC to 85oC
V4.0 29-March-11
Page 2 of 13
www.power-one.com
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| QM48T25050-NDA0G | 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: |
| QM48T25050-NDAP | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 5V 25A 8PIN QUARTER-BRICK - Bulk |
| QM48T25050-NDAPG | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 5V 25A - Bulk |
| QM48T25050-NDB0 | 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: |
| QM48T25050-NDB0G | 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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