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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： | 12/20页 |
| 文件大小： | 306K |
| 代理商： | QM48T14120-NBCP |
ZD-00376 Rev. 1.1.1, 19-Feb-10
Page 2 of 20
www.power-one.com
QM48T/S14120 DC-DC Converter Data Sheet
36-75 VDC Input; 12 VDC @ 14 A Output
Electrical Specifications (Common for both Non-paralleling and Paralleling Options)
Conditions: TA = 25 C, Airflow = 300 LFM (1.5 m/s), Vi n = 48 VDC, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Absolute Maximum Ratings
Input Voltage
Continuous
0
80
VDC
Operating Ambient Temperature
-40
85
°C
Storage Temperature
-55
125
°C
Isolation Characteristics
I/O Isolation
2000
VDC
Isolation Capacitance
1.2
ηF
Isolation Resistance
10
M
Feature Characteristics
Switching Frequency
300
kHz
Output Voltage Trim Range1
Industry-standard equations
-20
+10
%
Remote Sense Compensation1
Percent of VOUT(NOM)
+10
%
Output Overvoltage Protection
Non-latching
115
128
135
%
Overtemperature Shutdown (PCB)
Non-latching
125
°C
Auto-Restart Period
Applies to all protection features
100
ms
Turn-On Time
4
ms
ON/OFF Control (Positive Logic)
Converter Off (logic low)
-20
0.8
VDC
Converter On (logic high)
2.4
20
VDC
ON/OFF Control (Negative Logic)
Converter Off (logic high)
2.4
20
VDC
Converter On (logic low)
-20
0.8
VDC
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
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
65
mADC
Input Reflected-Ripple Current
25 MHz bandwidth
20
mAPK-PK
Additional Notes:
1 Vout can be increased up to 10% via the sense leads or up to 10% via the trim function (Vin > 40 V). However, the total output voltage trim
from all sources should not exceed 10% of VOUT(NOM), in order to ensure specified operation of overvoltage protection circuitry.
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相关代理商/技术参数 |
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| QM48T14120-NBCPG | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 12V 14A 168W - Bulk |
| QM48T14120-NCA0 | 制造商:Power-One 功能描述:DCDC - Bulk |
| QM48T14120-NCA0G | 制造商:Power-One 功能描述:DCDC,HAZMAT - Bulk |
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