TDK Corporation Launches 400 to 750W RGB Series of Ruggedized Non-Isolated DC-DC Converters

TDK Corporation has announced the launch of the 400 to 750W rated RGB series of ruggedized non-isolated DC-DC converters from TDK-Lambda. These buck step-down converters operate from input voltages of 9 to 18V, 18 to 32V, or 18 to 60V, and deliver adjustable output voltages ranging from 0.8 to 8V or 3.3 to 24V, with output currents up to 60A, depending on the power level. The series is designed for use in harsh environments, making it suitable for applications such as medical devices, automated guided vehicles (AGV), industrial mobile robots (IMR), drones, commercial off-the-shelf (COTS) equipment, industrial systems, testing, measurement, and battery-powered devices.

With efficiencies reaching up to 98.5%, the converters offer high usable power in demanding thermal environments, supporting case temperatures from -40°C to +115°C while also extending battery life. Featuring a 1/16th brick pinout and compact dimensions of 38.1 x 49.5 x 13.0mm (WxLxH), these converters are encapsulated for enhanced shock and vibration resistance in accordance with MIL-STD-810G. The five-sided aluminum case reduces radiated EMI and allows conduction cooling to a cold plate, enabling fanless operation.

Key features of the basic models include an output voltage adjustment pin, negative logic remote on-off, remote sense, input under-voltage protection, over-current protection, and thermal protection. An optional adjustable current limit is also available to minimize stress on the input source, converter, and load during overload conditions.

Key features of the basic models include an output voltage adjustment pin, negative logic remote on-off, remote sense, input under-voltage protection, over-current protection, and thermal protection. An optional adjustable current limit is also available to minimize stress on the input source, converter, and load during overload conditions.

All models are certified with CE and UKCA marks for the Low Voltage and RoHS Directives and are designed to meet IEC/UL/CSA/EN 62368-1 safety standards. Evaluation boards are available for quick and easy testing.

Main Applications:

• Medical devices
• Automated guided vehicles (AGV)
• Industrial mobile robots (IMR)
• Drones
• Commercial off-the-shelf (COTS) equipment
• Industrial systems
• Test and measurement equipment
• Battery-powered devices

Main Features and Benefits:

• Delivers up to 750W in a 1/16th brick pinout
• High efficiency, up to 98.5%
• Wide output adjustment range from 0.8V to 24V
• Wide input voltage ranges
• Adjustable current limit
• Supports up to 115°C maximum case temperature

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Kate Williamson More about AuthorKate, Editorial Team