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9 to 53V input buck-boost 300W DC-DC converter has an output adjustment range of 9.6 to 48V

May 26, 2020

TDK Corporation (TSE 6762) announces the introduction of the 300W, 8A rated i7C non-isolated DC-DC converters. With an input range of 9 to 53Vdc, the output can be adjusted from 9.6 to 48V. The product’s topology enables a seamless transition from buck (voltage reduction) to boost (voltage increase) operation. The i7C is ideal for generating additional high power outputs, from existing 12, 24, 36 or 48V system voltages, in medical, communications, industrial, test and measurement and battery powered equipment.

With efficiencies of up to 97%, power losses are minimized allowing the product to operate and deliver high useable power in demanding thermal environments. Under light load conditions, the i7C’s control techniques significantly reduce power dissipation. A 5mA input current draw is typical under zero load conditions. This can be reduced to typically 0.25mA when the remote on-off is utilized to place the unit in standby mode. This extends the amount of time battery powered equipment can remain functional during periods of non-peak operation.

The basic feature models include an output voltage adjustment pin, positive or negative logic remote on-off, positive remote sense, plus input under-voltage, over-current and thermal protection. The full-featured models are equipped with a power good signal, output current monitoring and the ability to synchronize the operating frequency to minimize system noise.

The i7C converters measure 34mm x 36.8mm and follow the industry standard 1/16th brick pin-out. Three mechanical configurations are available - a low 12.2mm high open frame model, a baseplate construction for conduction cooling or with an integral heat sink for convection or forced air cooled environments. The i7C’s design reduces the number of external components, saving both cost and board space.

All models are certified IEC/UL/EN 62368-1, 60950-1 and carry the CE mark for the Low Voltage and RoHS Directives.

More information on the i7C 8A series, including distributor inventory, can be obtained from the TDK-Lambda Americas website at https://www.us.lambda.tdk.com

Main Applications

Medical, communications, industrial, test and measurement and battery powered equipment

Main Features and Benefits

• Up to 300W in a 1/16th brick pin-out
• Up to 97% efficient. Low off-load power consumption
• Wide 9.6 to 48V output adjustment
• Wide 9 to 53Vdc input range
• Low component count with minimal external components
• Low airflow with minimal derating requirements

Key data


About TDK Corporation

TDK Corporation is a world leader in electronic solutions for the smart society based in Tokyo, Japan. Built on a foundation of material sciences mastery, TDK welcomes societal transformation by resolutely remaining at the forefront of technological evolution and deliberately “Attracting Tomorrow.” It was established in 1935 to commercialize ferrite, a key material in electronic and magnetic products. TDK's comprehensive, innovation-driven portfolio features passive components such as ceramic, aluminum electrolytic and film capacitors, as well as magnetics, high-frequency, and piezo and protection devices. The product spectrum also includes sensors and sensor systems such as temperature and pressure, magnetic, and MEMS sensors. In addition, TDK provides power supplies and energy devices, magnetic heads and more. These products are marketed under the product brands TDK, EPCOS, InvenSense, Micronas, Tronics and TDK-Lambda. TDK focuses on demanding markets in automotive, industrial and consumer electronics, and information and communication technology. The company has a network of design and manufacturing locations and sales offices in Asia, Europe, and in North and South America. In fiscal 2020, TDK posted total sales of USD 12.5 billion and employed about 107,000 people worldwide.

About TDK-Lambda Corporation

TDK-Lambda Corporation is a trusted, innovative leader and global supplier of highly reliable power conversion products for industrial and medical equipment worldwide. TDK-Lambda Corporation is aligned for fast responses to any customer need with R&D, manufacturing, sales and service locations in five key geographic regions, namely Japan, EMEA, Americas, China and ASEAN.

For more details, please pay a visit to www.jp.lambda.tdk.com/en/


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Press release (pdf)

Contact for media

Region Contact Company Phone Email
Americas Tom Tillman TDK-Lambda Americas (732)795-4100 tom.tillman@us.tdk-lambda.com