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Data Sheet: Belleta
®
iEA Series –Single Output Eighth Brick
©2004 TDK Innoveta® Inc.
iEAFullDatasheet 032707 3/29/2007 Revision 2.0
℡
(877) 498
-
0099
39/41
Remote Sense: The power modules feature
remote sense to compensate for the effect
of output distribution drops. The output
voltage sense range defines the maximum
voltage allowed between the output power
terminals and output sense terminals, and it
is found on the electrical data page for the
power module of interest. If the remote
sense feature is not being used, the
Sense(+) terminal should be connected to
the Vo(+) terminal and the Sense (-)
terminal should be connected to the Vo(-)
terminal.
The output voltage at the Vo(+) and Vo(-)
terminals can be increased by either the
remote sense or the output voltage
adjustment feature. The maximum voltage
increase allowed is the larger of the remote
sense range or the output voltage
adjustment range; it is not the sum of both.
As the output voltage increases due to the
use of the remote sense, the maximum
output current must be decreased for the
power module to remain below its maximum
power rating.
EMC Considerations: TDK Innoveta power
modules are designed for use in a wide
variety of systems and applications. For
assistance with designing for EMC
compliance, please contact TDK Innoveta
technical support.
Input Impedance:
The source impedance of the power feeding
the DC/DC converter module will interact
with the DC/DC converter. To minimize the
interaction, a 10-100uF input electrolytic
capacitor should be present if the source
inductance is greater than 1.5uH.
Reliability:
The power modules are designed using TDK
Innoveta’s stringent design guidelines for
component derating, product qualification,
and design reviews. Early failures are
screened out by both burn-in and an
automated final test. The MTBF is
calculated to be greater than 4.8M hours at
full output power and Ta = 40˚C using the
Telcordia SR-332 calculation method.
Improper handling or cleaning processes
can adversely affect the appearance,
testability, and reliability of the power
modules. Contact TDK Innoveta technical
support for guidance regarding proper
handling, cleaning, and soldering of TDK
Innoveta’s power modules.
Quality:
TDK Innoveta’s product development
process incorporates advanced quality
planning tools such as FMEA and Cpk
analysis to ensure designs are robust and
reliable. All products are assembled at ISO
certified assembly plants.