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參數資料
| 型號： | PD-LPM-0102EP |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | DSL LTU POWER MODULE: 36-72VDC INPUT, DUAL 120VDC/60mA OUTPUT |
| 中文描述： | 數字訂購線路立陶宛電源模塊：36 - 72VDC，所有輸入，輸出雙120VDC/60mA |
| 文件頁數： | 1/4頁 |
| 文件大小： | 55K |
| 代理商： | PD-LPM-0102EP |
PD-LPM-0102EP
DSL LTU POWER MODULE: 36-72V
DC
INPUT, DUAL 120V
DC
/60mA OUTPUT
Designed for Span Powering of ETSI HDSL Systems
High Efficiency
Input to Output Isolation
Two Outputs with Independent Protection Mechanism
Outputs can be Paralleled for Current Sharing, i.e. 120V/120mA
Adjustable Output Voltage (105 to 120Vdc)
Wide Input Voltage Range
Output Unbalanced Indication
90 days warranty
UL1950, CSA22.2-950 and EN60950 Approved
Backward compatible with the PD-LPM-0102
PD-LPM-0102EP
FEATURES
APPLICATIONS
HDSL/xDSL Systems
Voice Pair-Gain Systems
Supports Single and Dual Loop Configurations
General Remote Power Feeding Communications Applications
48Vdc, 60Vdc Telecommunications Systems
ETSI Remotely Fed Systems
DESCRIPTION
The PD-LPM-0102EP is a 15 Watt DC/DC converter module especially designed for HDSL/xDSL remote power feeding applications (on LTU).
The module operates from 36 to 72Vdc input voltage and provides two independent balanced outputs of 120V/60mA, isolated from the input.
The output voltage can be reduced, in the range of 105-120V, by adding an external resistor. Reduction of the output voltage to 105-120V may
be required in order to allow for HDSL communication signal superimposing, without exceeding the maximum 120V standard limitation. A high
precision current limiting circuit is implemented on each output. This feature enables delivery of maximum power through the line while
maintaining the TNV safety requirements of maximum 60mA current. The module also provides report lines, which deliver information
regarding unbalanced outputs (deviation of more than 20%) and overload condition of each output. The overload protection circuits on each
output are independent, and allow for one output to work normally while the other is overloaded. The PD-LPM-0102EP is designed to work
optimally while working in conjunction with the PowerDsine PD-NPM-03xx module series. Designed for ETSI specific requirements, the PD-
LPM-0102EP simplifies integration and reduces overall system dimensions, cost and time to market.
T Y PICAL APPLICAT ION
Overload
2
C
01
C
02
Output 1
120V/60mA
Rext
Overload
1
Output 2
120V/60mA
9
3
4
5
6
7
8
2
1
C
in
+5V
Inhibit
-48V
-48 RTN
DGND
120V Output2 RTN
120V Output1 RTN
120V Output1
120V Output2
Overload2
Voltage Adjust
Earth GND
Overload1
Earth GND
10 -48V RTN
16 NC
15 Unbl.
14 Unbl. RTN
13 NC
12 NC
11 -48V
17 Inhibit
18 NC
Unbalanced
PD-LPM-0102EP
Fuse
2.5A/250V
On
Off
Recommended values for C
in
, C
01
, C
02
10
μ
F Aluminum electrolytic capacitor in parallel to a 1
μ
F film capacitor.
________________________________
1
The “EP” suffix to the part number indicates an open frame
module, without epoxy potting, as well as enhanced efficiency and
extended temperature range.
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