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| 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)： | 6/13頁 |
| 文件大?。?/td> | 247K |
| 代理商： | QME48T40050-PGBLG |
ZD-00371 Rev 2, 22-May-09
Page 2 of 13
www.power-one.com
QME48T40050 DC-DC Converter Data Sheet
36-75 VDC Input; 5.0 VDC @ 40 A Output
Electrical Specifications
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
3
ηF
Isolation Resistance
10
M
Feature Characteristics
Switching Frequency
440
kHz
Output Voltage Trim Range
1
Industry-std. equations
-20
+10
%
Remote Sense Compensation
1
Percent of VOUT(NOM)
+10
%
Output Overvoltage Protection
Latching or Non-latching
117
122
127
%
Overtemperature Shutdown (PCB)
Non-latching
125
°C
Auto-Restart Period (For non-latching option)
Applies to all protection features
200
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
Additional Notes:
1.
Vout can be increased up to 10% via the sense leads or up to 10% via the trim function. 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.
2.
Operating ambient temperature range of -40 C to 85 C for converter.
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