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| 型號(hào)： | RS0400 |
| 廠商： | Lineage Power |
| 英文描述： | Front-End Power Supplies:85 Vac to 264 Vac Input; 48 Vdc to 56 Vdc Output; 400 W(前端電源:85V至264V交流輸入; 48V至56V直流輸出；400 W功率) |
| 中文描述： | 前端電源：85 VAC至264 VAC輸入，48伏到56伏直流輸出，400瓦（前端電源：85V至264V交流輸入，48V電壓至56V直流輸出，400瓦功率） |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 196K |
| 代理商： | RS0400 |
6
Lucent Technologies Inc.
Advance Data Sheet
June 1997
85 Vac to 264 Vac Input; 48 Vdc to 56 Vdc Output; 400 W
RS0400-Series Front-End Power Supplies:
Physical Descriptions
Definition of Terms
Power-Factor Correction
All RS-Series power supplies comply with the specifica-
tions set forth in IEC1000-3-2.
Input Overcurrent Protection
An internal fuse is provided for input protection in com-
pliance with safety agency requirements.
Overcurrent Protection
In the event of an overload condition, the power supply
limits the output current. See Figure 1 for details.
Overvoltage Protection
The power unit turns itself off before the output voltage
reaches a specified threshold.
Overtemperature Protection
In the event of an overtemperature condition, the power
unit protects itself by shutting down. The unit will auto-
matically restart after it cools down.
ORing Diode
A diode at the output of the power unit protects the dc
bus during a power supply failure or hot plugging of the
power unit.
Remote On/Off (Inhibit)
This is an input signal referenced to the negative out-
put. Shorting this signal to the negative output causes
the output of the power unit to turn off.
Voltage Margining
This is an analog input signal. Adjust the voltage level
of this signal to vary the output voltage of the power
unit.
Load Share
A single-wire interface between each of the power units
forces them to share the load current equally.
Remote Sense
These signals permit the power units to compensate
for a voltage drop across the output distribution.
Front Panel LEDs
AC Present
DC OK
(yellow)
(green).
Status Signals
The following are the optically isolated open-collector
signals:
DC OK
: The output voltage is greater than 45 Vdc.
Power Fail Warning
: The output of the power unit
will be less than 47 Vdc in 5 ms.
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