TDK-Lambda i6A Press Release
Power Supply Product
Wide Input Range 250W DC-DC Converters Provide 3.3V to
24V Output
October 2015
TDK Corporation announces the introduction of the 250W rated TDK-Lambda i6A series of nonisolated DC-DC converters. Capable of operating from an input voltage of 9V to 40V, the stepdown converter delivers an output voltage that can be adjustable from 3.3V to 24V and output
currents of up to 14A. The series is designed to be used in a wide range of applications
including medical, communications, industrial and test and measurement equipment.
In a 1/16th brick form factor, measuring 33 x 22.9 x 12.7mm, the converters can be used in
conjunction with a single output 12V or 24V AC-DC power supply to generate additional
regulated high current outputs, with or without battery back-up.
With efficiencies of up to 98%, power losses are minimized allowing the products to operate in
harsh ambient temperatures of -40oC to +125oC even with low airflow requirements. The need
for external output capacitance is reduced due to an optimized dynamic voltage response, thus
reducing board space requirements.
The basic feature models include an output voltage adjustment pin, positive or negative logic
remote on-off, remote sense, input under-voltage, over-current and thermal protection. Full
feature models are equipped with a power good signal, output voltage sequencing and the ability
to synchronize the operating frequency to minimize system noise. All models are certified to
UL/CSA 60950-1, IEC/EN 60950-1 and carry the CE mark for the Low Voltage and RoHS2
More information can be obtained at the following TDK-Lambda Americas website,, or by calling 800-LAMBDA-4. Product
availability for the i6A converters can be found via the link to TDK-Lambda’s distributor network
(see “Check Distributor Stock”) at
----Major applications
Medical, communications, industrial and test and measurement equipment
Main features and benefits
High efficiency (Up to 98%)
9 to 40VDC input, 3.3 to 24V output adjustment
Up to 250W or 14A output
Basic and full featured versions
TDK Corporation
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Major specifications
Input voltage range
9 to 40V
Output voltage range
3.3 to 24V
Maximum output power
250W (14A maximum output current)
98% (20V output, 24V input, 100% loading)
Optional features
Power good, output sequencing and frequency synchronization
Size (L x W x H)
33 x 22.9 x 12.7
----About TDK Corporation
TDK Corporation is a leading electronics company based in Tokyo, Japan. It was established in 1935 to
commercialize ferrite, a key material in electronic and magnetic products. TDK's portfolio includes
electronic components, modules and systems* which are marketed under the product brands TDK and
EPCOS, power supplies, magnetic application products as well as energy devices, flash memory
application devices, and others. TDK focuses on demanding markets in the areas of information and
communication technology and consumer, automotive and industrial electronics. The company has a
network of design and manufacturing locations and sales offices in Asia, Europe, and in North and South
America. In fiscal 2015, TDK posted total sales of USD 9.0 billion and employed about 88,000 people
* The product portfolio includes ceramic, aluminum electrolytic and film capacitors, ferrites, inductors, high-frequency
components such as surface acoustic wave (SAW) filter products and modules, piezo and protection components,
and sensors.
About TDK-Lambda Corporation
TDK-Lambda Corporation, a group company of TDK Corporation, is a leading global power supply
company providing highly reliable power supplies for industrial equipment worldwide. TDK-Lambda
Corporation meets the various needs of customers with our entire range of activities, from research and
development through to manufacturing, sales, and service with bases in five key areas, covering Japan,
Europe, America, China, and Asia.
For more details, please pay a visit to
----Contacts for regional media
Tom Tillman
TDK Corporation
TDK-Lambda Americas
(619) 575 4400
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