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參數(shù)資料
| 型號： | LWN2770-6ED1FK2G |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT |
| 文件頁數(shù)： | 14/28頁 |
| 文件大?。?/td> | 1316K |
| 代理商： | LWN2770-6ED1FK2G |
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BCD20020-G REV AA
Page 21 of 28
www.power-one.com
W Series Data Sheet
125, 250 Watt AC-DC and DC-DC DIN-Rail Converters
Description of Options
E designates LW models with improved EMC performance.
Refer to the EC Declaration of Conformity (last page). Feature
E is standard for new designs.
Options D1, D2, D5, R are available (as single choice options)
on the AUX terminal (10), referenced to Vo–.
Option M1 and M2 designate a combination of several options
accessible via a D-SUB connector. Option M1 includes the
function S.
Note: In double-output models, the options D1, D5, R and S
concern only output 2.
Single Options Using the AUX Pin
The connection is shown in the figure below. For the
description refer to Adjustment of Vo or Vo2 (next section).
Multiple Options M1 or M2 via D-SUB Connector
The option board is suitable for applications, where several
options are needed. Option M1 is standard for battery charger
models, option M2 is suitable for applications without battery or
for simple applications with battery.
D2: Input Voltage Monitor (Power Fail)
D2 monitors the input voltage. If the voltage drops below 65
VAC or 92 VDC (EW models: 60 VDC), the D2-signal (open-
collector) goes to high impedance. ID max < 50 mA. The output
is protected by a Zener diode against transients up to 75 V (for
models with Vo max > 50 V up to 90 V).
Table 16b: Option board M2
Function
Description
R
Output voltage adjust 1
D2
Input voltage monitor Vi low
D5
Output voltage monitor1
(battery deep discharged): Vo low D5
D-adjust
Adjustment of trigger values D1 and D5
1
In double-output models, only output 2 is concerned.
Table 16a: Option board M1
Function
Description
R
Output voltage adjust 1
D1
Output voltage monitor Vo low D11
D2
Input voltage monitor Vi low
D5
Output 2 voltage monitor 1
(battery deep discharged): Vo low D5
Sys-OK
System okay
S
Shutdown1
D-adj
Adjustment of trigger values D1 and D5
1
In double-output models, only output 2 is concerned.
Table 15: Pin allocation of the 9 pin D-SUB connector
Pin
Designation
Description
1
GND11
System ground / common signal return
2
R
R input 3
3
VCC2
Positive supply voltage (
≈ output 2)
4
D1
Output voltage monitor Vo low D1 3
5
D5
Output 2 voltage monitor Vo low D53
6
S
Shutdown3
7
D-adj
Adjustment of threshold values of D1 or D5
8
D2
Input voltage monitor Vi low
9
Sys-OK
System okay (all outputs are okay)
1
Do not connect GND1 (pin 1) with the neg. output (–)
2
Do not connect VCC (pin 3) with the positive output (+)
3
In double-output models, R and S influence output 2 only.
Fig. 21
Option D2: Examples of relay
control to monitor a power failure.
Fig. 20
Connection of adjust resistors or an external voltage source to
adjust the output voltage Vo or Vo2 (option M1 or M2 not fitted)
AUX
1
11
10
9
8
7
6
5
4
3
2
Adjustment with
Vext
06142b
AUX
1
11
10
9
8
7
6
5
4
3
2
Adjustment with
Rext
Vo2+
or Vo+
Vo2–
or Vo–
R
ext1
R
ext2
V
ext
+
Vo2–
or Vo–
1
2
3
4
5
6
7
8
9
+
Power-Fail
D-SUB
06141a
1
11
10
9
8
7
6
5
4
3
2
D2
+
AUX
1
11
10
9
8
7
6
5
4
3
2
Vo2+
or Vo+
Vo2+
or Vo+
1
2
3
4
5
6
7
8
9
+
Power-Fail
D2
D-SUB
VCC
06140a
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