PoL DC/DC converters offer up to 97% efficiency

11th January 2016
Nat Bowers


Featuring a wide 0.7 to 8.5V output adjustment range, a series of 12A PoL non-isolated DC/DC converters has been introduced by TDK-Lambda. The iCH series can operate from either a 5 or a 12VDC bus voltage, avoiding the need to stock multiple part numbers.

Measuring just 12.2x12.2x8.5mm and weighing just 2.5g, these compact converters are suited for a wide range of applications, including communications, broadcast, industrial and test and measurement equipment.

Up to 97% efficiency minimises internal heating, allowing the full 12A operation in natural convection and low airflow environments with ambient temperatures of up to +70°C. The iCH converters have excellent transient response characteristics, without the need for externally mounted loop tuning circuitry.

Standard features include a trim pin for output voltage adjustment, positive remote sense, remote on-off (positive or negative logic), input under-voltage, over-current and over-temperature protection. A DC Good (low on fail) signal provides indication that the output is outside of the ±12% set point tolerance.

Safety certification includes IEC/EN 60950-1, UL/CSA 60950-1 with CE marking for the Low Voltage and RoHS2 Directives.

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