40A Surface-Mount DC-DC Converters Have 10.2mm Profile

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TDK Corporation announced a new TDK-Lambda iAH series of POL (Point of Load) non-isolated, DC-DC converters. Rated at 40A, the surface mount converters have an ultra-low profile of 10.2mm and deliver a wide adjustable output voltage from either a 5V or 12Vdc bus. Applications of the series include servers, routers, other Information & Communication Technology (ICT) equipment, semiconductor manufacturing, measurement and industrial equipment.

With a wide input range of 3V to 17V, the iAH series can provide output voltages from 0.7 to 5.5V, and has an efficiency of up to 96 per cent. The converters can deliver up to 40A or 150W and have a capability to operate in high- ambient temperature, low airflow environments with minimal power derating.

Occupying just 0.69 square inches of board space, the iAH measure 1.3 x 0.53 x 0.4 inches (33mm x 13.5mm x 10.2mm) and weigh just 12 grams. Like all DOSA compatible footprint POLTDK-Lambdas, the converters do not need externally mounted loop tuning components and have excellent transient response to load changes.

Features of the series include output trim adjustment, power good, remote sense and a choice of positive or negative logic remote on/off. Additionally, full protection with auto-recovery against input under-voltage, output short circuit and over-temperature, is provided. 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.

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