參數(shù)資料
型號(hào): AM80A-048L-050P25
元件分類: 電源模塊
英文描述: 1-OUTPUT 125 W DC-DC REG PWR SUPPLY MODULE
文件頁數(shù): 14/32頁
文件大?。?/td> 372K
代理商: AM80A-048L-050P25
Rev. 05 Mar 99
AMPSS Reference Manual
Specifications
21
Current Sharing (C SHARE)
To ensure that all modules in a parallel system
accurately share current, the C SHARE pins on each
module should be connected together.
The voltage on the C SHARE pins represents the
average load current per module. Each module
compares this average with its own current and
adjusts its output voltage to correct the error. In this
way the module maintains accurate current sharing.
Note: The -SENSE and +SENSE pins of each
module must also be connected together to ensure
accurate current sharing.
Current Monitoring (C MON)
The C MON pin provides an indication of the amount
of current supplied by the module. The output of the
C MON pin is a current source proportional to the
output current of the module, where 0.2 to 1mA = 20
to 100% I
O rated.
The C MON output can be paralleled with C MON
outputs from other modules to indicate the total
current supplied in a paralleled system.
Temperature Monitoring (TEMP
MON)
The TEMP MON pin provides an indication of the
module's internal temperature.The voltage at the
TEMP MON pin is proportional to the temperature of
the module baseplate at 10mV per °C, where:
Module temperature (°C) = (V
TEMP MON x 100) - 273
The temperature monitor signal can be used by
thermal management systems (e.g. to control a
variable speed fan). It can also be used for
overtemperature warning circuits and for thermal
design verification of prototype power supplies and
heatsinks.
IO
50%
100%
0
0.00mA
0.25mA
0.50mA
0.75mA
1.00mA
ICMON
+SENSE
-SENSE
+O/P
-O/P
7
6
1
12
V
6Kohm max
0-1mA
C
50 C
0C
+SENSE
-SENSE
+O/P
-O/P
7
6
1
12
Module internal temperature
V
2.73V
3.23V
3.73V
VTEMP MON
2.98V
3.48V
-20C
2.53V
100
+SENSE
-SENSE
+O/P
-O/P
7
6
1
12
+SENSE
-SENSE
+O/P
-O/P
7
6
1
12
From C SHARE of
previous module
To C SHARE of
next module
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