參數(shù)資料
型號： 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)： 16/32頁
文件大?。?/td> 372K
代理商： AM80A-048L-050P25
Rev. 05 Mar 99
AMPSS Reference Manual
Specifications
23
Load
+SENSE
-SENSE
CSHARE
7
1
12
+SENSE
-SENSE
CSHARE
1
12
CLKOUT
6
CLKIN
+O/P
-O/P
7
6
N+O/P
-O/P
Parallel Connection Considerations
A master-slave configuration is not required for
AMPSSTM modules. AM80A modules may be con-
nected in parallel using a simple, single wire connec-
tion.
Current Sharing
In multi-module paralleled systems, all modules will
share current to within ± 3% (typical) of the rated load
current per module when the C SHARE pins of each
module are connected together.
The +SENSE and -SENSE pins of each module
should be connected to common points as close as
possible to the load.
Synchronization
Modules are synchronized by connecting the CLK
OUT pin of one module to the CLK IN pin of the next.
Consecutively connected modules operate out of
phase with each other, resulting in ripple cancellation
at the inputs and outputs of paralleled modules. If the
clock input to a module fails, it will automatically
revert to its internal clock and continue to operate
normally.
Conducted EMI
Although AMPSS modules contain both common
mode and differential mode input EMI filtering, power
supply systems using these modules will require
additional EMI filtering to enable the system to meet
relevant EMI standards.
AM80A modules have an effective input to ground
(baseplate) capacitance of 700pF for 300V input
models and 580pF for 48V input models. This should
be accounted for when calculating the maximum EMI
‘Y’ capacitance to meet ground leakage current
specifications.
Break Regulation
AM80A Performance Series modules are designed to
deliver full rated output current at up to 0.5V above
V
O nom at the minimum specified input voltage.
Output Ripple and Noise
AM80A Performance Series modules are designed to
generate very low ripple and noise. When mounted
on logic boards, for example, sufficient decoupling is
normally provided by the components used to
decouple the logic ICs, and no additional decoupling
is required.
+I/P
-I/P
+
-
Protective earth
Baseplate
80%
100%
120%
36
42
72
%VOnom
+0.5V
VI (48V input modules)
80%
100%
120%
180
210
400
%VOnom
+0.5V
VI (300V input modules)
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