參數(shù)資料
型號(hào)： PKB4207LBPIPM/B
廠商： ERICSSON POWER MODULES AB
元件分類(lèi)： 電源模塊
英文描述： 1-OUTPUT 264 W DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT PACKAGE-5
文件頁(yè)數(shù)： 6/23頁(yè)
文件大小： 2349K
代理商： PKB4207LBPIPM/B
Ericsson Internal
PRODUCT SPECIFICATION
1 (5)
Prepared (also subject responsible if other)
No.
MICMALE
3/1301-BMR 658 Uen
Approved
Checked
Date
Rev
Reference
SEC/D Betty Wu
(EZHEWNG) 2009-12-16
PB3
EMC Specification
Conducted EMI measured according to EN55022, CISPR 22
and FCC part 15J (see test set-up). See Design Note 009 for
detailed information. The fundamental switching frequency is
180 kHz for PKB 4204B PI @ VI = 53 V, max IO.
Conducted EMI
Input terminal value (typ)
EMI without filter
External filter (class B)
Required external input filter in order to meet class B in
EN 55022, CISPR 22 and FCC part 15J.
Components:
C1,2,3 = 1
μF
(100 V, ceramic)
C4,5 = 2.2 nF
(2 kV, ceramic)
C6 = 220
μF
(100 V, electrolytic)
L1,2 = 809
μH
(common mode)
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.
10uF
0.1uF
-Vout
+Vout
*Conductor from Vout to capacitors = 50mm [1.97in.]
BNC
Connector
to Scope
Tantalum
Capacitor
Ceramic
Capacitor
+
Output ripple and noise test setup
E
PKB 4000B series
Intermediate Bus Converters
Input 36-75 V, Output up to 40 A / 252 W
EN/LZT 146 384 R3C January 2010
Ericsson AB
Technical Specication
14
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