参数资料
| 型号： | QME48T20120-PGB0 |
| 厂商： | Power-One |
| 文件页数： | 2/14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
Conditions: T A = 25 oC, 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
Operating Ambient Temperature
Storage Temperature
Continuous
0
-40
-55
80
85
125
VDC
°C
°C
Isolation Characteristics
I/O Isolation
Isolation Capacitance
Isolation Resistance
Feature Characteristics
Switching Frequency
2000
10
3
380
VDC
η F
M ?
kHz
Remote Sense Compensation
Output Voltage Trim Range 1
1
Industry-std. equations
Percent of V OUT ( NOM )
-20
+10
+10
%
%
Output Overvoltage Protection
Overtemperature Shutdown (PCB)
Auto-Restart Period
Non-latching
Non-latching
Applies to all protection features
117
122
125
200
127
%
°C
ms
Turn-On Time
ON/OFF Control (Positive Logic)
4
ms
Converter Off (logic low)
Converter On (logic high)
-20
2.4
0.8
20
VDC
VDC
ON/OFF Control (Negative Logic)
Converter Off (logic high)
Converter On (logic low)
2.4
-20
20
0.8
VDC
VDC
Additional Notes:
1
2
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 V OUT ( NOM ), in order to ensure specified operation of overvoltage protection circuitry.
Operating ambient temperature range of -40 oC to 85 oC for converter.
ZD-01742 Rev 3.4, 21-Jan-10
www.power-one.com
Page 2 of 14
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