PKB4113CPI datasheet(33/43 Pages) ERICSSON

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Ericsson Internal

PRODUCT SPECIFICATION

1 (6)

Prepared (also subject responsible if other)

No.

ESHUHAN

3/1301-BMR 655 Uen

Approved

Checked

Date

Rev

Reference

SEC/D (Betty Wu)

EZHEWNG

2009-2-13

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

250 kHz for PKB 4111C @ 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.

PKB-C

Filter

components:

C1,2,3 = 1

μF

C4,5 = 2.2 nF

C6 = 100 uF

electrolytic

L1 = 590

μH

L2 = 5.6

μH

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

PKB4000C series Direct Converters

Input 36-75 V, Output up to 60 A / 144 W

EN/LZT 146 377 R4

D September 2013

Technical Speciﬁcation

PKB4113CPI Datasheet(PDF) 33 Page - Ericsson

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