參數(shù)資料
型號(hào)： BMR4532101/000
廠商： ERICSSON POWER MODULES AB
元件分類： 電源模塊
英文描述： DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT, QUARTER-BRICK PACKAGE-16
文件頁(yè)數(shù)： 4/22頁(yè)
文件大?。?/td> 2708K
代理商： BMR4532101/000
Ericsson Internal
PRODUCT SPECIFICATION
1 (5)
Prepared (also subject responsible if other)
No.
EANDKUL
30/1301-BMR 453 Uen
Approved
Checked
Date
Rev
Reference
EAB/FJB/GMF (Natalie Johansson)
(MICJMAL)
2009-02-02
C
EMC Specification
Conducted EMI measured according to EN55022, CISPR 22
and FCC part 15J (see test set-up). See Design Note 009 for
further information. The fundamental switching frequency is
140 kHz for BMR 453 @ VI = 53 V, max IO.
Conducted EMI
Input terminal value (typ)
EMI without filter
External filter (class B)
Suggested external input filter in order to meet class B in
EN 55022, CISPR 22 and FCC part 15J.
L1
C1
C2
C3
C4
C5
R
-
+
Module
+
-
0
L2
Filter components:
C1 = 1 + 1
μF
C2 = 1 + 1
μF
C3 = 220
μF
C4 = 2.2 nF
C5 = 2.2 nF
L1 = 0.81 mH
L2 = 0.81 mH
EMI with filter
Test set-up
Layout recommendation
The radiated EMI performance of the DC/DC converter will
depend on the PCB layout and ground layer design.
It is also important to consider the stand-off of the DC/DC
converter.
If a ground layer is used, it should be connected to the output
of the DC/DC converter and the equipment ground or chassis.
A ground layer will increase the stray capacitance in the PCB
and improve the high frequency EMC performance.
Output ripple and noise
Output ripple and noise measured according to figure below.
See Design Note 022 for detailed information.
Output ripple and noise test setup
E
BMR 453
DC/DC Converters, Input 36-75V, Output 33A/400 W
EN/LZT 146 395 R1C February 2009
Ericsson AB
Technical Specication
12
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