TDK Lambda Americas Inc
TDK World Wide


Power Supply Products

20A POL DC-DC Converter Operates from a 3.5V to 14V Bus Voltage

San Diego, CA – November 2015 –

TDK Corporation announces the introduction of the 20 Ampere TDK-Lambda iBH series of POL (Point of Load) non-isolated DC-DC converters. Accepting a wide range input of 3.5 to 14Vdc, the series can operate from either a 5Vdc or 12Vdc bus.

The iBH series can provide output voltages from 0.7 to 5.5V, with efficiencies of up to 96%. Capable of delivering up to 80W, the converters can operate in high ambient temperature, low airflow environments with minimal power derating. The series is designed to meet a wide range of applications, including servers, routers and other Information & Communication Technology (ICT) equipment, semiconductor manufacturing equipment, measuring equipment and general industrial equipment.

The surface mount converters occupy just 0.36 square inches of board space, measuring 0.8 x 0.45 x 0.39 inches (20.3mm x 11.4mm x 9.9mm) with a weight of just 6g. As with all TDK-Lambda’s DOSA compatible footprint POLs, the iBH does not need externally mounted loop tuning components and has excellent transient response to load changes.

Product features include output trim adjustment, power good, remote sense and a choice of positive or negative logic remote on/off. Full protection, with auto-recovery, is provided against input under-voltage, output short circuit and over-temperature. All models are certified to UL/CSA 60950-1, IEC/EN 60950-1 and carry the CE mark for the Low Voltage and RoHS2 Directives.

More information can be obtained at the following TDK-Lambda Americas website,, or by calling 800-LAMBDA-4. Product availability for the iBH converters can be found via the link to TDK-Lambda’s distributor network (see “Check Distributor Stock”) at


Major applications

Servers, routers and other ICT equipment, semiconductor manufacturing equipment, measuring equipment and general industrial equipment


Main features and benefits

  • High efficiency (Up to 96%)
  • Compact 20.3mm x 11.4mm x 9.9mm size
  • Excellent transient response
  • No requirement for external tuning components


Major specifications




Input voltage range


3.5 to 14V

Output voltage range


0.7 to 5.5V

Maximum output power





96% (5V output, 12V input, 100% loading)

Mounting type


Surface Mount

Size (L x W x H)


20.3 x 11.4 x 9.9


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 worldwide.

* 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

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.

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Editorial Contact:

Tom Tillman, Director of Marketing
TDK-Lambda Americas Inc.
401 Mile of Cars Way, Suite 325
National City, CA 91950
Ph: 619-575-4400